Shigei

08276, 1987 BJ2, 1987BJ2, 1991 FL, 1991FL, J87B02J, J91F00L

All data for this body: [vot]

MPC data
Name (number) Shigei (8276)
a 2.38971
e 0.14070
i / sin(i) 1.3591 / 0.02372
q 2.05348
Q 2.72595
ω 285.8641
Node 260.8774
m 84.0147
n 0.2668
Epoch 2460800.5
nobs 3909
nopp 25
Years observed 1987-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent Nysa (44)
 
ap 2.389
ep 0.179
sin(ip) 0.041
G 0.150
H 13.770
Mass
D 4.55 0.160
pV 0.339 0.0275
Value
Rotational Period
Period quality None
Spectral Class V
Spectral Class Score 6.982
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
135 Hertha 0 Hertha Novakovic 2019EPSC...13.1671N HCM
44 Nysa 405 Nysa-Polana -0.6900 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3890 0.1787 0.0408 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.55 0.160 0.160 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.339 0.0275 0.0275 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
13.77 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
S S 0.8573 0.4540 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V S 0.9970 0.4540 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V V None None Movis NIR Popescu 2018A&A...617A..12P PHOT
X 0.428 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT