1999 XH231

1999XH231, 71194, J99XN1H

All data for this body: [vot]

MPC data
Name (number) 1999 XH231 (71194)
a 3.10863
e 0.09259
i / sin(i) 18.1819 / 0.31204
q 2.82079
Q 3.39647
ω 45.4720
Node 65.9473
m 242.6336
n 0.1798
Epoch 2460800.5
nobs 2411
nopp 21
Years observed 1998-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.111
ep 0.097
sin(ip) 0.297
G 0.150
H 13.560
Mass
D 11.70 0.171
pV 0.068 0.0072
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1113 0.0966 0.2967 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
11.70 0.171 0.171 Masiero 2011ApJ...741...68M NEATM
12.93 4.890 4.890 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.055 0.1020 0.1020 Masiero 2012ApJ...759L...8M NEATM
0.068 0.0072 0.0072 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
13.56 MPC-2023-12-04 MPC-2023-12-04 Phot