1998 HY129

1998HY129, 1999 RO249, 1999RO249, 42677, J98HC9Y, J99RO9O

All data for this body: [vot]

MPC data
Name (number) 1998 HY129 (42677)
a 2.38810
e 0.15050
i / sin(i) 1.2947 / 0.02260
q 2.02869
Q 2.74751
ω 69.3601
Node 176.5749
m 277.5281
n 0.2671
Epoch 2460200.5
nobs 961
nopp 19
Years observed 1998-2023
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent Massalia (20)
 
ap 2.389
ep 0.162
sin(ip) 0.026
Value Standard error
G 0.150
H 16.330
Mass
D
pV
Rotational Period
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
20 Massalia 404 Massalia -0.4900 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3892 0.1622 0.0262 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
16.33 MPC-2023-12-04 MPC-2023-12-04 Phot