1991RP9

17485, 1998HM144, J91R09P, J98HE4M

All data for this body: [vot]

MPC data
Name (number) 1991RP9 (17485)
Packed designation 17485
a 2.52763
e 0.11003
i / sin(i) 16.1709 / 0.27850
q 2.24951
Q 2.80575
ω 21.2882
Node 50.3983
m 102.5173
n 0.2453
Epoch 2459600.5
nobs 2099
nopp 20
Years observed 1953-2022
rms 0.53
Best values
[raw, vot]

Value Standard error
Parent Maria (170)
 
ap 2.528
ep 0.115
sin(ip) 0.264
Value Standard error
G 0.150
H 12.980
Mass
D 6.40 0.079
pV 0.357 0.0334
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
170 Maria 506 Maria -0.3700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5277 0.1152 0.2640 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.35 0.086 0.086 Masiero 2011ApJ...741...68M NEATM
6.68 0.195 0.195 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.329 0.0745 0.0745 Masiero 2011ApJ...741...68M NEATM
0.364 0.0374 0.0374 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
12.98 MPC-2022-01-18 MPC-2022-01-18 Phot