Greenstein

04612, 1972 BU, 1972BU, 1979 YA8, 1979YA8, 1980 BD4, 1980BD4, 1983 XT1, 1983XT1, 1989 JG, 1989JG, 1989 JJ, 1989JJ, J72B00U, J79Y08A, J80B04D, J83X01T, J89J00G, J89J00J

All data for this body: [vot]

MPC data
Name (number) Greenstein (4612)
a 2.55733
e 0.13742
i / sin(i) 9.6222 / 0.16715
q 2.20589
Q 2.90878
ω 40.0758
Node 105.3355
m 3.2503
n 0.2410
Epoch 2460800.5
nobs 3956
nopp 31
Years observed 1954-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.556
ep 0.178
sin(ip) 0.151
G 0.150
H 12.890
Mass
D 7.67 0.176
pV 0.228 0.0536
Value
Rotational Period 3.000
Period quality 3
Spectral Class S
Spectral Class Score 14.808
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5557 0.1779 0.1509 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.67 0.176 0.176 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.228 0.0536 0.0536 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
12.89 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.006 3- Synodic Polakis 2021MPBu...48..239P Lightcurve
3.00717 2 Sidereal Durech 2023A&A...675A..24D Model
3.008 3 Synodic Benishek 2021MPBu...48..280B Lightcurve
3.008 3 Synodic Clark 2021MPBu...48..213C Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.283 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.8516 0.9110 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 1.0000 0.9110 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT