1981 UW27

1981UW27, 1999 XY200, 1999XY200, H8287, J81U27W, J99XK0Y

All data for this body: [vot]

MPC data
Name (number) 1981 UW27 (178287)
a 2.32984
e 0.30297
i / sin(i) 5.4453 / 0.09489
q 1.62396
Q 3.03573
ω 4.3910
Node 17.3361
m 87.7447
n 0.2771
Epoch 2460800.5
nobs 1016
nopp 16
Years observed 1981-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.327
ep 0.261
sin(ip) 0.084
G 0.150
H 16.470
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3271 0.2607 0.0840 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
16.47 MPC-2023-12-04 MPC-2023-12-04 Phot