Zhuhai

02903, 1955 MC, 1955MC, 1973 UK4, 1973UK4, 1975 GC, 1975GC, 1977 TN7, 1977TN7, 1977 VL2, 1977VL2, 1981 UV9, 1981UV9, J55M00C, J73U04K, J75G00C, J77T07N, J77V02L, J81U09V

All data for this body: [vot]

MPC data
Name (number) Zhuhai (2903)
a 2.56241
e 0.05690
i / sin(i) 14.3608 / 0.24803
q 2.41662
Q 2.70820
ω 245.2631
Node 232.4208
m 140.0057
n 0.2403
Epoch 2460800.5
nobs 4702
nopp 32
Years observed 1955-2025
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.562
ep 0.094
sin(ip) 0.263
G 0.150
H 11.720
Mass
D 13.83 0.608
pV 0.216 0.0689
Value
Rotational Period 5.260
Period quality 3
Spectral Class S
Spectral Class Score 13.345
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5620 0.0941 0.2626 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.58 0.900 0.900 Masiero 2012ApJ...759L...8M NEATM
14.01 0.860 0.860 Usui 2011PASJ...63.1117U NEATM
14.46 2.890 2.890 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.197 0.0790 0.0790 Ali-Lagoa 2018A&A...612A..85A NEATM
0.276 0.1410 0.1410 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
11.72 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.263 3 Synodic Moravec 2012MPBu...39..213M Lightcurve
5.26369 2 Sidereal Durech 2020A&A...643A..59D Model
5.268 2 Synodic Li 2011MPBu...38..179L Lightcurve
6.152 2 Synodic Alvarez 2004Icar..172..388A Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
K S 0.4088 0.1580 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S None Bus VIS Carvano 2010A&A...510A..43C PHOT
S 0.997 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.5605 0.1580 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT