1999 XO209

1999XO209, 1998 QO86, 1998QO86, 45224, J98Q86O, J99XK9O

All data for this body: [vot]

MPC data
Name (number) 1999 XO209 (45224)
a 2.90119
e 0.27319
i / sin(i) 12.9310 / 0.22378
q 2.10860
Q 3.69377
ω 180.0996
Node 311.1200
m 26.0283
n 0.1995
Epoch 2460800.5
nobs 2867
nopp 20
Years observed 1998-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.897
ep 0.337
sin(ip) 0.225
G 0.150
H 13.790
Mass
D 5.01 0.035
pV 0.351 0.0539
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8968 0.3367 0.2248 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.09 0.770 0.770 Nugent 2016AJ....152...63N NEATM
4.78 0.100 0.100 Masiero 2014ApJ...791..121M NEATM
5.04 0.037 0.037 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.334 0.0741 0.0741 Masiero 2011ApJ...741...68M NEATM
0.370 0.0900 0.0900 Masiero 2014ApJ...791..121M NEATM
0.370 0.1600 0.1600 Nugent 2016AJ....152...63N 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
13.79 MPC-2023-12-04 MPC-2023-12-04 Phot