1999 XJ51

1999XJ51, J99X51J, N4121

All data for this body: [vot]

MPC data
Name (number) 1999 XJ51 (234121)
a 2.73522
e 0.23424
i / sin(i) 16.0519 / 0.27651
q 2.09452
Q 3.37591
ω 346.8463
Node 69.2137
m 230.8362
n 0.2179
Epoch 2460800.5
nobs 867
nopp 14
Years observed 1999-2024
rms 0.81
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.733
ep 0.236
sin(ip) 0.245
G 0.150
H 15.400
Mass
D 5.96 0.135
pV 0.050 0.0039
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 2.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7331 0.2362 0.2448 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.82 0.201 0.201 Masiero 2011ApJ...741...68M NEATM
6.07 0.185 0.185 Masiero 2011ApJ...741...68M NEATM
6.10 1.660 1.660 Masiero 2020PSJ.....1....5M NEATM
6.42 1.430 1.430 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.036 0.0240 0.0240 Masiero 2020PSJ.....1....5M NEATM
0.039 0.0310 0.0310 Masiero 2020PSJ.....1....5M NEATM
0.048 0.0059 0.0059 Masiero 2011ApJ...741...68M NEATM
0.052 0.0055 0.0055 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
15.40 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
CX 0.28 Bus VIS Carvano 2010A&A...510A..43C PHOT