1987 SR9

1987SR9, 1987 RL, 1987RL, 1998 XJ66, 1998XJ66, 2001 KG73, 2001KG73, 26820, J87R00L, J87S09R, J98X66J, K01K73G

All data for this body: [vot]

MPC data
Name (number) 1987 SR9 (26820)
a 2.32339
e 0.24960
i / sin(i) 4.1834 / 0.07295
q 1.74347
Q 2.90331
ω 275.6767
Node 39.3236
m 85.5487
n 0.2783
Epoch 2460200.5
nobs 1271
nopp 21
Years observed 1987-2023
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.324
ep 0.212
sin(ip) 0.070
Value Standard error
G 0.150
H 15.440
Mass
D
pV
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3235 0.2125 0.0701 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
15.44 MPC-2023-12-04 MPC-2023-12-04 Phot