4311 T-2

4311T-2, 18259, 1990 RS15, 1990RS15, J90R15S, T2S4311

All data for this body: [vot]

MPC data
Name (number) 4311 T-2 (18259)
a 2.26312
e 0.09822
i / sin(i) 3.5026 / 0.06109
q 2.04084
Q 2.48541
ω 116.0304
Node 138.9303
m 158.8880
n 0.2895
Epoch 2460800.5
nobs 2260
nopp 21
Years observed 1973-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.263
ep 0.105
sin(ip) 0.058
G 0.150
H 15.530
Mass
D 2.00 0.346
pV 0.366 0.0709
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 4.830
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2629 0.1048 0.0582 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.00 0.346 0.346 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.366 0.0709 0.0709 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
15.53 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 0.8050 0.7990 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V S 0.2200 0.7990 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT