Doncampbell

04553, 1951 EJ, 1951EJ, 1981 ET49, 1981ET49, 1982 RH, 1982RH, J51E00J, J81E49T, J82R00H

All data for this body: [vot]

MPC data
Name (number) Doncampbell (4553)
a 2.61697
e 0.13950
i / sin(i) 12.9190 / 0.22357
q 2.25190
Q 2.98205
ω 114.8475
Node 168.5827
m 77.6558
n 0.2328
Epoch 2460800.5
nobs 4482
nopp 27
Years observed 1951-2025
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.618
ep 0.122
sin(ip) 0.223
G 0.150
H 12.460
Mass
D 9.00 0.088
pV 0.166 0.0199
Value
Rotational Period 13.020
Period quality 2
Spectral Class S
Spectral Class Score 6.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6179 0.1217 0.2233 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
9.00 0.088 0.088 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.166 0.0199 0.0199 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
12.46 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
10.23985 2 Sidereal Durech 2020A&A...643A..59D Model
13.021 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
S 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT