1999 UN46

1999UN46, H8541, J99U46N

All data for this body: [vot]

MPC data
Name (number) 1999 UN46 (178541)
a 3.13406
e 0.21783
i / sin(i) 10.2043 / 0.17716
q 2.45138
Q 3.81675
ω 320.9102
Node 2.9256
m 268.2562
n 0.1776
Epoch 2460800.5
nobs 808
nopp 19
Years observed 1999-2025
rms 0.80
Best values
[raw, vot]

Value Standard error
Parent Lixiaohua (3556)
 
ap 3.142
ep 0.193
sin(ip) 0.177
G 0.150
H 14.880
Mass
D 8.16 0.105
pV 0.036 0.0064
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
3556 Lixiaohua 0 Lixiaohua Novakovic 2019EPSC...13.1671N HCM
3556 Lixiaohua 613 Lixiaohua -0.5800 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1419 0.1928 0.1773 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.16 0.105 0.105 Masiero 2011ApJ...741...68M NEATM
8.56 3.290 3.290 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.020 0.0200 0.0200 Nugent 2016AJ....152...63N NEATM
0.037 0.0068 0.0068 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
14.88 MPC-2023-12-04 MPC-2023-12-04 Phot