2001 YT21

2001YT21, 2004 HN75, 2004HN75, B1479, K01Y21T, K04H75N

All data for this body: [vot]

MPC data
Name (number) 2001 YT21 (111479)
a 2.84540
e 0.08204
i / sin(i) 2.4777 / 0.04323
q 2.61197
Q 3.07882
ω 306.3316
Node 47.3997
m 16.8782
n 0.2053
Epoch 2460800.5
nobs 1033
nopp 20
Years observed 1996-2025
rms 0.85
Best values
[raw, vot]

Value Standard error
Parent Koronis (158)
 
ap 2.846
ep 0.049
sin(ip) 0.034
G 0.150
H 15.410
Mass
D 2.70 0.574
pV 0.153 0.0888
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 2.701
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 -0.1400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8460 0.0489 0.0337 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.70 0.574 0.574 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.153 0.0888 0.0888 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
15.41 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
D S 0.0765 0.3670 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S 0.09 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.4202 0.3670 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT