4257 T-2

4257T-2, 1998 VO23, 1998VO23, 26055, J98V23O, T2S4257

All data for this body: [vot]

MPC data
Name (number) 4257 T-2 (26055)
a 2.89263
e 0.06311
i / sin(i) 3.1201 / 0.05443
q 2.71009
Q 3.07518
ω 248.1600
Node 71.0580
m 213.9127
n 0.2003
Epoch 2460800.5
nobs 2463
nopp 24
Years observed 1973-2025
rms 0.80
Best values
[raw, vot]

Value Standard error
Parent Koronis (158)
 
ap 2.895
ep 0.046
sin(ip) 0.037
G 0.150
H 14.490
Mass
D 3.90 0.754
pV 0.266 0.0716
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 7.373
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
158 Koronis 0 Koronis Novakovic 2019EPSC...13.1671N HCM
158 Koronis 605 Koronis 0.1600 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8946 0.0456 0.0374 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.90 0.754 0.754 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.266 0.0716 0.0716 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
14.49 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 DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.58 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.7021 0.7021 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT