1999RN117

1990SA12, 20558, J90S12A, J99RB7N

All data for this body: [vot]

MPC data
Name (number) 1999RN117 (20558)
Packed designation 20558
a 2.77794
e 0.16644
i / sin(i) 7.7431 / 0.13473
q 2.31557
Q 3.24031
ω 92.6371
Node 250.7250
m 288.1491
n 0.2129
Epoch 2459600.5
nobs 1982
nopp 19
Years observed 1990-2021
rms 0.63
Best values
[raw, vot]

Value Standard error
Parent Gefion (1272)
 
ap 2.779
ep 0.126
sin(ip) 0.157
Value Standard error
G 0.150
H 13.680
Mass
D 5.19 0.234
pV 0.314 0.0490
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1272 Gefion 516 Gefion -0.1300 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7789 0.1262 0.1567 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.19 0.234 0.234 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.314 0.0490 0.0490 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.68 MPC-2022-01-18 MPC-2022-01-18 Phot