Gregaria

08974, 1991 EY2, 1991EY2, 3357 T-2, 3357T-2, J91E02Y, T2S3357

All data for this body: [vot]

MPC data
Name (number) Gregaria (8974)
a 2.19093
e 0.11410
i / sin(i) 1.0301 / 0.01798
q 1.94094
Q 2.44091
ω 50.4867
Node 44.6063
m 247.4079
n 0.3039
Epoch 2460800.5
nobs 2556
nopp 23
Years observed 1973-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.191
ep 0.155
sin(ip) 0.011
G 0.150
H 15.250
Mass
D 2.64 0.097
pV 0.231 0.0360
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 0.756
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1907 0.1553 0.0105 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.64 0.097 0.097 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.231 0.0360 0.0360 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
15.25 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 0.126 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT