Ninian

04678, 1973 SN3, 1973SN3, 1980 TE13, 1980TE13, 1989 ED7, 1989ED7, 1990 SS4, 1990SS4, J73S03N, J80T13E, J89E07D, J90S04S

All data for this body: [vot]

MPC data
Name (number) Ninian (4678)
a 2.26521
e 0.21388
i / sin(i) 3.7413 / 0.06525
q 1.78073
Q 2.74969
ω 323.4231
Node 30.4167
m 50.1861
n 0.2891
Epoch 2460800.5
nobs 6448
nopp 27
Years observed 1953-2025
rms 0.53
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.265
ep 0.166
sin(ip) 0.054
G 0.150
H 13.890
Mass
D 4.93 0.157
pV 0.197 0.0324
Value
Rotational Period 56.700
Period quality 3-
Spectral Class S
Spectral Class Score 15.258
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2649 0.1664 0.0541 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.03 0.930 0.930 Nugent 2016AJ....152...63N NEATM
4.33 0.590 0.590 Masiero 2012ApJ...759L...8M NEATM
5.00 0.166 0.166 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.177 0.0344 0.0344 Masiero 2011ApJ...741...68M NEATM
0.310 0.1700 0.1700 Nugent 2016AJ....152...63N NEATM
0.374 0.1180 0.1180 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
13.89 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
56.7 2 Synodic Pravec LCDB Lightcurve
56.701 2 Sidereal Durech 2018A&A...617A..57D Model
56.72 3- Synodic Salvaggio 2015MPBu...42..215S Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S Bus VIS Bus 2002Icar..158..146B SPEC
S 0.968 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S Q 0.890000 0.110000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC