Uenohara

04381, 1952 UF, 1952UF, 1954 CD, 1954CD, 1955 HS, 1955HS, 1960 HB, 1960HB, 1976 HN, 1976HN, 1978 TO4, 1978TO4, 1979 YQ8, 1979YQ8, 1983 TD1, 1983TD1, 1989 WD1, 1989WD1, J52U00F, J54C00D, J55H00S, J60H00B, J76H00N, J78T04O, J79Y08Q, J83T01D, J89W01D

All data for this body: [vot]

MPC data
Name (number) Uenohara (4381)
a 3.02782
e 0.07492
i / sin(i) 11.2366 / 0.19486
q 2.80098
Q 3.25465
ω 228.8031
Node 107.9767
m 343.0681
n 0.1871
Epoch 2460800.5
nobs 7864
nopp 35
Years observed 1952-2025
rms 0.48
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.029
ep 0.056
sin(ip) 0.176
G 0.150
H 11.490
Mass
D 20.05 0.629
pV 0.137 0.0167
Value
Rotational Period 25.191
Period quality 2
Spectral Class X
Spectral Class Score 4.212
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0286 0.0557 0.1765 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
19.12 1.430 1.430 Usui 2011PASJ...63.1117U NEATM
19.69 3.940 3.940 Ali-Lagoa 2018A&A...612A..85A NEATM
20.00 5.090 5.090 Nugent 2016AJ....152...63N NEATM
20.24 0.820 0.820 Masiero 2012ApJ...759L...8M NEATM
20.49 1.500 1.500 Tedesco 2002AJ....123.1056T STM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.100 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM
0.139 0.0220 0.0220 Tedesco 2002AJ....123.1056T STM
0.155 0.0620 0.0620 Ali-Lagoa 2018A&A...612A..85A NEATM
0.157 0.0400 0.0400 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
11.49 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
25.1912 2 Sidereal Durech 2020A&A...643A..59D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
X 0.702 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT