1999 UM42

1999UM42, 91873, J99U42M

All data for this body: [vot]

MPC data
Name (number) 1999 UM42 (91873)
a 3.12300
e 0.09335
i / sin(i) 21.7185 / 0.37005
q 2.83147
Q 3.41453
ω 34.9159
Node 3.5004
m 219.9709
n 0.1786
Epoch 2460800.5
nobs 1245
nopp 19
Years observed 1999-2024
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent Alauda (702)
 
ap 3.121
ep 0.084
sin(ip) 0.370
G 0.150
H 14.230
Mass
D 9.60 0.138
pV 0.059 0.0035
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
702 Alauda 0 Alauda Novakovic 2019EPSC...13.1671N HCM
702 Alauda 902 Alauda -0.5200 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1207 0.0844 0.3696 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
12.34 5.150 5.150 Masiero 2012ApJ...759L...8M NEATM
9.60 0.138 0.138 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.024 0.0530 0.0530 Masiero 2012ApJ...759L...8M NEATM
0.060 0.0035 0.0035 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
14.23 MPC-2023-12-04 MPC-2023-12-04 Phot