2001 SX257

2001SX257, 2004 FE127, 2004FE127, H9123, K01SP7X, K04FC7E

All data for this body: [vot]

MPC data
Name (number) 2001 SX257 (179123)
a 2.77296
e 0.07901
i / sin(i) 3.2810 / 0.05723
q 2.55386
Q 2.99207
ω 158.3591
Node 228.8359
m 5.0236
n 0.2134
Epoch 2460800.5
nobs 594
nopp 18
Years observed 2001-2025
rms 0.89
Best values
[raw, vot]

Value Standard error
Parent Hoffmeister (1726)
 
ap 2.774
ep 0.046
sin(ip) 0.071
G 0.150
H 16.070
Mass
D 4.46 0.560
pV 0.043 0.0158
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 4.926
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1726 Hoffmeister 0 Hoffmeister Novakovic 2019EPSC...13.1671N HCM
1726 Hoffmeister 519 Hoffmeister -0.4800 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7737 0.0458 0.0712 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.46 0.560 0.560 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.043 0.0158 0.0158 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
16.07 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
C 0.821 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT