2001 QZ257

2001QZ257, 1994 DM, 1994DM, 55173, J94D00M, K01QP7Z

All data for this body: [vot]

MPC data
Name (number) 2001 QZ257 (55173)
a 2.72673
e 0.06619
i / sin(i) 10.5095 / 0.18240
q 2.54626
Q 2.90721
ω 290.9246
Node 161.9324
m 15.7299
n 0.2189
Epoch 2460800.5
nobs 1803
nopp 19
Years observed 1994-2025
rms 0.80
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.726
ep 0.078
sin(ip) 0.177
G 0.150
H 15.010
Mass
D 3.00 0.620
pV 0.258 0.0809
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 9.829
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7259 0.0777 0.1773 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.00 0.620 0.620 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.258 0.0809 0.0809 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
15.01 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 0.570 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.93 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.9948 0.9948 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT