Roberts

03428, 1952 JH, 1952JH, 1952 KB, 1952KB, 1972 YQ1, 1972YQ1, 1978 JH2, 1978JH2, 1980 TD15, 1980TD15, 1982 FR1, 1982FR1, J52J00H, J52K00B, J72Y01Q, J78J02H, J80T15D, J82F01R

All data for this body: [vot]

MPC data
Name (number) Roberts (3428)
a 2.66537
e 0.16162
i / sin(i) 8.8761 / 0.15430
q 2.23458
Q 3.09615
ω 303.5607
Node 230.7223
m 332.1918
n 0.2265
Epoch 2460800.5
nobs 7102
nopp 34
Years observed 1952-2025
rms 0.58
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.664
ep 0.196
sin(ip) 0.172
G 0.150
H 12.300
Mass
D 17.16 0.100
pV 0.093 0.0113
Value
Rotational Period 3.270
Period quality 3
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6643 0.1960 0.1723 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
17.10 0.200 0.200 Hanus 2018Icar..309..297H RADIOMETRY_TPM
17.16 0.118 0.118 Masiero 2011ApJ...741...68M NEATM
17.30 0.600 0.600 Hanus 2018Icar..309..297H RADIOMETRY_TPM
18.47 1.310 1.310 Usui 2011PASJ...63.1117U NEATM
19.12 3.820 3.820 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.077 0.0310 0.0310 Ali-Lagoa 2018A&A...612A..85A NEATM
0.095 0.0121 0.0121 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
12.30 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.278 3 Synodic Oliver 2008MPBu...35..149O Lightcurve
3.278 3 Synodic Stephens 2020MPBu...47..125S Lightcurve
3.27835 2 Sidereal Durech 2023A&A...675A..24D Model
3.27835 2 Sidereal Hanus 2016A&A...586A.108H Model
3.2794 3 Synodic Behrend LCDB Lightcurve