Timherder

04961, 1930 UU, 1930UU, 1958 TH1, 1958TH1, 1969 TQ3, 1969TQ3, 1980 RY2, 1980RY2, 1982 BM3, 1982BM3, 1988 BE2, 1988BE2, 1991 QA, 1991QA, J30U00U, J58T01H, J69T03Q, J80R02Y, J82B03M, J88B02E, J91Q00A

All data for this body: [vot]

MPC data
Name (number) Timherder (4961)
a 3.15648
e 0.21940
i / sin(i) 7.7988 / 0.13570
q 2.46396
Q 3.84901
ω 55.0769
Node 313.6816
m 344.5297
n 0.1758
Epoch 2460800.5
nobs 3591
nopp 32
Years observed 1930-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.144
ep 0.196
sin(ip) 0.158
G 0.150
H 12.220
Mass
D 11.48 0.258
pV 0.212 0.0218
Value
Rotational Period 4.120
Period quality 3
Spectral Class X
Spectral Class Score 5.604
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1443 0.1963 0.1582 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
11.48 0.258 0.258 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.212 0.0218 0.0218 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
12.22 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.121 3 Synodic Marchini 2020MPBu...47...69M Lightcurve
4.121566 2 Sidereal Durech 2018A&A...617A..57D Model
4.12158 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
X 0.934 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT