Table:
text: List of geological features on Venus
Dorsa
Dorsa
Name_ Latitude Longitude Diameter_km Year_named
Abe Mango Dorsa 47.0N 212.0E 800.0 1997
Achek Dorsa 37.2S 230.0E 1000.0 1997
Aditi Dorsa 30.0S 189.0E 1200.0 1997
Ahsonnutli Dorsa 47.9N 196.5E 1708.0 1985
Aida-Wedo Dorsa 73.0N 214.0E 450.0 1997
Akewa Dorsa 45.5N 184.0E 900.0 1997
Akuanda Dorsa 63.5N 232.0E 800.0 1997
Alkonost Dorsa 5.0S 341.0E 730.0 1997
Allat Dorsa 60.0N 70.0E 750.0 1985
Amitolane Dorsa 77.0S 335.0E 900.0 1997
Anpao Dorsa 62.0N 207.0E 550.0 1997
Arev Dorsa 52.0S 216.0E 420.0 2000
Asiaq Dorsa 53.0S 55.0E 400.0 1997
Auska Dorsum 59.9N 357.8E 361.0 1985
Aušra- Dorsa 49.4N 25.3E 859.0 1985
Barbale Dorsa 15.0N 143.0E 1200.0 1997

text: List of geological features on Venus
Dorsa
Dorsa
Name_ Latitude Longitude Diameter_km Year_named
Tinianavyt Dorsa 51.0S 239.0E 1500.0 1997
Tomem Dorsa 31.2N 7.2E 970.0 1985
Tsovinar Dorsa 46.0S 254.0E 1100.0 1997
Tukwunag Dorsa 69.0S 155.0E 1000.0 1997
Unelanuhi Dorsa 12.0N 87.0E 2600.0 1997
Uni Dorsa 33.7N 114.3E 800.0 1985
Unuk Dorsa 4.5S 351.5E 400.0 1997
Urkuk Dorsa 12.0S 320.0E 600.0 1997
Vaiva Dorsum 53.2S 204.0E 520.0 1994
Varma-Ava Dorsa 62.3N 268.8E 767.0 1985
Vedma Dorsa 42.0N 159.0E 3345.0 1985
Vejas-mate Dorsa 70.5S 245.0E 1600.0 1997
Vetsorgo Dorsum 6.5S 163.0E 700.0 2000
Wala Dorsa 17.0S 62.0E 500.0 1997
Yalyane Dorsa 7.0N 177.0E 1200.0 1997
Yumyn-Udyr Dorsa 81.4N 164.7E 1086.0 1985
Zaryanitsa Dorsa 0.0N 170.0E 1100.0 1997

text: List of geological features on Venus
Dorsa
Dorsa
Name_ Latitude Longitude Diameter_km Year_named
Ben Dorsa 71.2N 284.1E 628.0 1985
Bezlea Dorsa 30.4N 36.5E 807.0 1985
Biliku Dorsa 47.0S 138.0E 600.0 1997
Boszorkany Dorsa 19.5S 105.0E 550.0 2003
Breksta Dorsa 35.9N 304.0E 700.0 1985
Charykh-Keyok Dorsa 54.5N 285.0E 550.0 1997
Chih Nu Dorsum 73.0S 195.0E 625.0 1994
Dennitsa Dorsa 85.6N 205.9E 872.0 1985
Dodola Dorsa 46.8N 272.6E 607.0 1985
Dudumitsa Dorsa 13.5S 358.0E 980.0 2000
Dyan-Mu Dorsa 78.2N 31.9E 687.0 1985
Dylacha Dorsa 19.0S 76.0E 650.0 1997
Etain Dorsa 45.0S 199.0E 1400.0 1997
Frigg Dorsa 51.2N 150.6E 896.0 1985
Fulgora Dorsa 78.5 N 342.0 E 463.0 2009
Hemera Dorsa 51.0N 243.4E 587.0 1985
Hera Dorsa 36.4N 29.5E 813.0 1985

text: List of geological features on Venus
Dorsa
Dorsa
Name_ Latitude Longitude Diameter_km Year_named
Ragana Dorsa 69.0S 246.0E 950.0 1997
Rokapi Dorsa 55.0S 222.0E 2200.0 1997
Salme Dorsa 58.0N 25.2E 447.0 1991
Saule Dorsa 58.0S 206.0E 1375.0 1994
Sel-Anya Dorsa 79.4N 81.3E 975.0 1985
Semuni Dorsa 75.9N 8.0E 514.0 1985
Shishimora Dorsa 37.0N 297.0E 800.0 1997
Sige Dorsa 31.2N 106.9E 478.0 1991
Siksaup Dorsa 73.0S 228.0E 650.0 1997
Sinanevt Dorsa 66.5N 171.0E 1800.0 1997
Sirona Dorsa 43.5S 193.5E 700.0 1997
Sogbo Dorsa 40.0S 237.0E 900.0 1997
Spidola Dorsa 73.5S 325.0E 950.0 1997
Sunna Dorsa 53.0S 134.0E 500.0 1997
Surupa Dorsa 71.7N 209.0E 981.0 1997
Tezan Dorsa 81.4N 47.1E 1079.0 1985
Tikoiwuti Dorsa 56.0N 225.0E 1000.0 1997

text: List of geological features on Venus
Dorsa
Dorsa
Name_ Latitude Longitude Diameter_km Year_named
Zimcerla Dorsa 47.5S 73.5E 850.0 1997
Zorile Dorsa 39.9N 338.4E 1041.0 1985

text: List of geological features on Venus
Dorsa
Dorsa
Name_ Latitude Longitude Diameter_km Year_named
Iris Dorsa 52.7N 221.3E 2050.0 1985
Iyele Dorsa 50.0N 278.7E 595.0 1985
Juno Dorsum 31.0S 95.6E 1652.0 1982
Kadlu Dorsa 69.5S 188.0E 500.0 1997
Kalm Dorsa 18.0N 309.0E 300.0 1997
Kamari Dorsa 59.2N 55.8E 589.0 1985
Kastiatsi Dorsa 53.0S 245.0E 1200.0 1997
Khadne Dorsa 14.0S 334.5E 220.0 1997
Kotsmanyako Dorsa 76.0S 242.0E 1900.0 1997
Kuldurok Dorsa 50.4S 61.0E 1100.0 1997
Lau-ma Dorsa 64.8N 190.4E 1517.0 1985
Laverna Dorsa 50.0S 132.0E 1100.0 1997
Lemkechen Dorsa 18.5N 68.5E 2000.0 1997
Lukelong Dorsa 73.3N 178.8E 1566.0 1985
Lumo Dorsa 24.5N 149.0E 500.0 1997
Mardezh-Ava Dorsa 32.4N 68.6E 906.0 1985
Menkerot Dorsa 20.0S 351.5E 770.0 2000

text: List of geological features on Venus
Dorsa
Dorsa
Name_ Latitude Longitude Diameter_km Year_named
Metelitsa Dorsa 16.0N 31.0E 1300.0 1997
Naatse-elit Dorsa 66.0S 249.0E 950.0 1997
Nambi Dorsum 72.5S 213.0E 1125.0 1994
Naran Dorsa 54.0S 238.0E 600.0 1997
Natami Dorsa 71.5S 258.0E 800.0 1997
Nephele Dorsa 39.7N 138.8E 1937.0 1985
Nichka Dorsa 10.0S 354.0E 550.0 2000
Norwan Dorsa 65.0N 163.0E 450.0 1997
Nuvakchin Dorsa 53.0S 212.0E 2200.0 1997
Odzerchen Dorsa 72.0S 152.0E 300.0 2000
Ojuz Dorsa 6.0N 37.0E 400.0 1997
Okipeta Dorsa 67.5N 240.0E 1200.0 1985
Oshumare Dorsa 58.5S 79.0E 550.0 1997
Oya Dorsa 21.5N 157.5E 480.0 2003
Pandrosos Dorsa 58.2N 207.7E 1254.0 1985
Poludnitsa Dorsa 5.0N 179.5E 1500.0 1997
Pulugu Dorsa 65.0S 225.0E 650.0 1997

Question: What is the diameter for 1997 when longitude is 212.0e and latitude is 47.0n in the list of geological features on the dorsa of Venus?

Question: What is the overall diameter of the list of geological features on Venus when longitude is 357.8° later than the 1985 dorsa?