2001 RU81

2001RU81, 1996 TH53, 1996TH53, 46339, J96T53H, K01R81U

All data for this body: [vot]

MPC data
Name (number) 2001 RU81 (46339)
a 2.73792
e 0.09256
i / sin(i) 3.9182 / 0.06833
q 2.48449
Q 2.99134
ω 347.8866
Node 3.4927
m 117.1344
n 0.2176
Epoch 2460800.5
nobs 2117
nopp 20
Years observed 1996-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.737
ep 0.060
sin(ip) 0.074
G 0.150
H 14.410
Mass
D 4.03 0.460
pV 0.227 0.0450
Value
Rotational Period 4.100
Period quality 2
Spectral Class S
Spectral Class Score 2.058
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7374 0.0596 0.0740 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.03 0.460 0.460 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.227 0.0450 0.0450 Masiero 2012ApJ...759L...8M 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
14.41 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.18 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C Bk None None Movis NIR Popescu 2018A&A...617A..12P PHOT
S 0.17 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.2864 0.2864 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT