2001 TW44

2001TW44, 1976 JS9, 1976JS9, 1999 CL35, 1999CL35, 34858, J76J09S, J99C35L, K01T44W

All data for this body: [vot]

MPC data
Name (number) 2001 TW44 (34858)
a 2.26197
e 0.21799
i / sin(i) 7.4383 / 0.12946
q 1.76889
Q 2.75505
ω 289.8236
Node 33.2013
m 73.1947
n 0.2897
Epoch 2460800.5
nobs 3269
nopp 21
Years observed 1976-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.261
ep 0.162
sin(ip) 0.124
G 0.150
H 14.200
Mass
D 3.22 0.182
pV 0.215 0.0627
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 6.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2615 0.1615 0.1240 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.18 0.187 0.187 Masiero 2011ApJ...741...68M NEATM
3.87 0.790 0.790 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.160 0.0700 0.0700 Nugent 2016AJ....152...63N NEATM
0.439 0.1414 0.1414 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
14.20 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
S 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT