1999 BG20

1999BG20, 2000 JE71, 2000JE71, 29744, J99B20G, K00J71E

All data for this body: [vot]

MPC data
Name (number) 1999 BG20 (29744)
a 2.60276
e 0.12691
i / sin(i) 14.8864 / 0.25690
q 2.27244
Q 2.93308
ω 355.4730
Node 339.7546
m 214.3519
n 0.2347
Epoch 2460800.5
nobs 2930
nopp 24
Years observed 1991-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent Maria (170)
 
ap 2.603
ep 0.092
sin(ip) 0.259
G 0.150
H 14.160
Mass
D 4.26 0.069
pV 0.293 0.0244
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 1.782
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 0.4500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6033 0.0924 0.2589 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.26 0.069 0.069 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.293 0.0244 0.0244 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
14.16 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
X 0.297 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT