2001 QJ171

2001QJ171, 2002 YU21, 2002YU21, H1872, K01QH1J, K02Y21U

All data for this body: [vot]

MPC data
Name (number) 2001 QJ171 (171872)
a 2.98662
e 0.17949
i / sin(i) 12.9474 / 0.22406
q 2.45056
Q 3.52267
ω 122.3507
Node 275.8432
m 156.5575
n 0.1910
Epoch 2460800.5
nobs 788
nopp 15
Years observed 2001-2025
rms 0.79
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.988
ep 0.145
sin(ip) 0.246
G 0.150
H 15.320
Mass
D 5.86 1.172
pV 0.062 0.0175
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9884 0.1453 0.2459 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.86 1.172 1.172 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.062 0.0175 0.0175 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
15.32 MPC-2023-12-04 MPC-2023-12-04 Phot