1996 XJ21

1996XJ21, 2001 AO20, 2001AO20, 39733, J96X21J, K01A20O

All data for this body: [vot]

MPC data
Name (number) 1996 XJ21 (39733)
a 2.63885
e 0.04878
i / sin(i) 15.5465 / 0.26802
q 2.51013
Q 2.76757
ω 346.3247
Node 120.9068
m 227.4017
n 0.2299
Epoch 2460800.5
nobs 1379
nopp 22
Years observed 1996-2025
rms 0.80
Best values
[raw, vot]

Value Standard error
Parent Maria (170)
 
ap 2.639
ep 0.083
sin(ip) 0.253
G 0.150
H 14.960
Mass
D 3.53 0.341
pV 0.205 0.0569
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 5.362
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
170 Maria 0 Maria Novakovic 2019EPSC...13.1671N HCM
170 Maria 506 Maria 0.5100 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6395 0.0831 0.2532 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.53 0.341 0.341 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.205 0.0569 0.0569 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
14.96 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
L S 0.5002 0.4670 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
LS 0.13 Bus VIS Carvano 2010A&A...510A..43C PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S S 0.5603 0.4670 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT