1999 XJ185

1999XJ185, 92172, J99XI5J

All data for this body: [vot]

MPC data
Name (number) 1999 XJ185 (92172)
a 3.22391
e 0.10151
i / sin(i) 16.9124 / 0.29091
q 2.89664
Q 3.55117
ω 18.6074
Node 34.1165
m 159.2381
n 0.1703
Epoch 2460800.5
nobs 1052
nopp 19
Years observed 1999-2025
rms 0.84
Best values
[raw, vot]

Value Standard error
Parent Ursula (375)
 
ap 3.224
ep 0.097
sin(ip) 0.280
G 0.150
H 14.560
Mass
D 7.69 0.264
pV 0.068 0.0143
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
375 Ursula 0 Ursula Novakovic 2019EPSC...13.1671N HCM
375 Ursula 631 Ursula Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.2239 0.0968 0.2801 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.69 0.264 0.264 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.068 0.0143 0.0143 Masiero 2011ApJ...741...68M NEATM
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
14.56 MPC-2023-12-04 MPC-2023-12-04 Phot