Yaobeina

2000 YD21, 2000YD21, 41981, K00Y21D

All data for this body: [vot]

MPC data
Name (number) Yaobeina (41981)
a 2.62114
e 0.13076
i / sin(i) 14.4075 / 0.24882
q 2.27839
Q 2.96388
ω 107.2651
Node 110.7523
m 164.2059
n 0.2323
Epoch 2460800.5
nobs 2773
nopp 23
Years observed 1996-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.622
ep 0.156
sin(ip) 0.237
G 0.150
H 13.970
Mass
D 4.43 0.163
pV 0.358 0.0574
Value
Rotational Period 22.020
Period quality 2
Spectral Class S
Spectral Class Score 5.178
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6217 0.1563 0.2372 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.43 0.163 0.163 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.358 0.0574 0.0574 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
13.97 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
22.027 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.863 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT