2001 RY21

2001RY21, K01R21Y, W9347

All data for this body: [vot]

MPC data
Name (number) 2001 RY21 (329347)
a 2.67345
e 0.29258
i / sin(i) 9.4235 / 0.16373
q 1.89126
Q 3.45564
ω 205.9014
Node 167.8514
m 128.8306
n 0.2255
Epoch 2460800.5
nobs 497
nopp 13
Years observed 2001-2025
rms 0.77
Best values
[raw, vot]

Value Standard error
Parent Chloris (410)
 
ap 2.675
ep 0.257
sin(ip) 0.149
G 0.150
H 16.520
Mass
D 2.97 0.028
pV 0.067 0.0114
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 9.579
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
410 Chloris 509 Chloris -0.4000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6754 0.2566 0.1492 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.97 0.028 0.028 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.067 0.0114 0.0114 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
16.52 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
B DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.17 Bus VIS Carvano 2010A&A...510A..43C PHOT
C 0.998 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C C 0.5419 0.5419 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT