2157 T-3

2157T-3, 1991 XG, 1991XG, 29060, J91X00G, T3S2157

All data for this body: [vot]

MPC data
Name (number) 2157 T-3 (29060)
a 2.27874
e 0.10850
i / sin(i) 4.0818 / 0.07118
q 2.03148
Q 2.52599
ω 181.8476
Node 240.2537
m 262.3494
n 0.2865
Epoch 2460800.5
nobs 3002
nopp 23
Years observed 1977-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.279
ep 0.115
sin(ip) 0.083
G 0.150
H 14.540
Mass
D 3.28 0.158
pV 0.237 0.0399
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 9.908
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
8 Flora 402 Flora 0.5800 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2786 0.1146 0.0829 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.10 0.442 0.442 Masiero 2011ApJ...741...68M NEATM
3.29 0.172 0.172 Masiero 2011ApJ...741...68M NEATM
3.85 1.050 1.050 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.160 0.1200 0.1200 Nugent 2016AJ....152...63N NEATM
0.236 0.0534 0.0534 Masiero 2011ApJ...741...68M NEATM
0.265 0.0693 0.0693 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
14.54 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 0.6237 0.6410 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.6676 0.6410 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9838 0.6410 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT