1999 XR55

1999XR55, 2001 HA49, 2001HA49, 71016, J99X55R, K01H49A

All data for this body: [vot]

MPC data
Name (number) 1999 XR55 (71016)
a 2.68671
e 0.14457
i / sin(i) 10.4177 / 0.18082
q 2.29830
Q 3.07512
ω 263.8479
Node 255.5565
m 201.0664
n 0.2238
Epoch 2460800.5
nobs 1437
nopp 20
Years observed 1999-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent Adeona (145)
 
ap 2.688
ep 0.172
sin(ip) 0.205
G 0.150
H 14.930
Mass
D 6.10 0.094
pV 0.049 0.0038
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
145 Adeona 0 Adeona Novakovic 2019EPSC...13.1671N HCM
145 Adeona 505 Adeona 0.2600 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6880 0.1725 0.2048 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.33 0.780 0.780 Masiero 2012ApJ...759L...8M NEATM
6.11 0.095 0.095 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.049 0.0038 0.0038 Masiero 2011ApJ...741...68M NEATM
0.090 0.0420 0.0420 Masiero 2012ApJ...759L...8M 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
14.93 MPC-2023-12-04 MPC-2023-12-04 Phot