1999VU178

1988EW, 1988FC2, 21954, J88E00W, J88F02C, J99VH8U

All data for this body: [vot]

MPC data
Name (number) 1999VU178 (21954)
Packed designation 21954
a 2.71258
e 0.09867
i / sin(i) 11.9426 / 0.20693
q 2.44493
Q 2.98023
ω 54.5307
Node 163.8711
m 171.5679
n 0.2206
Epoch 2459600.5
nobs 1400
nopp 20
Years observed 1988-2021
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.714
ep 0.127
sin(ip) 0.201
Value Standard error
G 0.150
H 14.430
Mass
D 8.68 0.109
pV 0.048 0.0032
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7138 0.1273 0.2013 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.15 2.420 2.420 Nugent 2016AJ....152...63N NEATM
8.66 0.110 0.110 Masiero 2011ApJ...741...68M NEATM
9.31 3.120 3.120 Nugent 2016AJ....152...63N NEATM
10.14 1.100 1.100 Usui 2011PASJ...63.1117U NEATM
10.51 2.100 2.100 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.030 0.0120 0.0120 Ali-Lagoa 2018A&A...612A..85A NEATM
0.030 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM
0.040 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM
0.050 0.0033 0.0033 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.43 MPC-2022-01-18 MPC-2022-01-18 Phot