Beiligong

09442, 1990 SA21, 1990SA21, 1995 YU25, 1995YU25, 1997 GQ27, 1997GQ27, J90S21A, J95Y25U, J97G27Q

All data for this body: [vot]

MPC data
Name (number) Beiligong (9442)
a 2.59206
e 0.18850
i / sin(i) 14.1461 / 0.24440
q 2.10346
Q 3.08065
ω 271.4980
Node 112.6058
m 91.6808
n 0.2362
Epoch 2460800.5
nobs 4576
nopp 24
Years observed 1990-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.593
ep 0.144
sin(ip) 0.235
G 0.150
H 12.810
Mass
D 6.65 0.373
pV 0.245 0.0411
Value
Rotational Period 5.376
Period quality 2
Spectral Class S
Spectral Class Score 5.508
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15 Eunomia 0 Eunomia Novakovic 2019EPSC...13.1671N HCM
15 Eunomia 502 Eunomia -0.8200 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5930 0.1443 0.2346 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.44 1.170 1.170 Nugent 2016AJ....152...63N NEATM
6.68 0.393 0.393 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.228 0.0462 0.0462 Masiero 2011ApJ...741...68M NEATM
0.310 0.0900 0.0900 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
12.81 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.37641 2 Sidereal Durech 2020A&A...643A..59D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.918 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT