Qinghai

02255, 1950 XB, 1950XB, 1973 AP2, 1973AP2, 1977 UR, 1977UR, 1977 VE, 1977VE, 1977 VK1, 1977VK1, J50X00B, J73A02P, J77U00R, J77V00E, J77V01K

All data for this body: [vot]

MPC data
Name (number) Qinghai (2255)
a 3.10564
e 0.14673
i / sin(i) 14.1381 / 0.24426
q 2.64994
Q 3.56134
ω 348.0225
Node 40.8844
m 254.0075
n 0.1801
Epoch 2460800.5
nobs 5815
nopp 28
Years observed 1950-2025
rms 0.60
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.100
ep 0.132
sin(ip) 0.227
G 0.150
H 11.950
Mass
D 24.01 0.225
pV 0.076 0.0084
Value
Rotational Period 9.780
Period quality 3-
Spectral Class C
Spectral Class Score 3.576
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1001 0.1320 0.2271 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
20.64 1.610 1.610 Usui 2011PASJ...63.1117U NEATM
21.10 4.220 4.220 Ali-Lagoa 2018A&A...612A..85A NEATM
22.64 6.289 6.289 Masiero 2017AJ....154..168M NEATM
22.68 7.420 7.420 Masiero 2021PSJ.....2..162M NEATM
22.90 1.600 1.600 Tedesco 2002AJ....123.1056T STM
24.11 0.230 0.230 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.045 0.0230 0.0460 Masiero 2021PSJ.....2..162M NEATM
0.046 0.0258 0.0258 Masiero 2017AJ....154..168M NEATM
0.070 0.0120 0.0120 Masiero 2012ApJ...759L...8M NEATM
0.086 0.0340 0.0340 Ali-Lagoa 2018A&A...612A..85A NEATM
0.102 0.0160 0.0160 Tedesco 2002AJ....123.1056T STM
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
11.95 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
9.781 3- Synodic Molnar 2018ApJS..234...37M Lightcurve
9.79989 2 Sidereal Durech 2020A&A...643A..59D Model
9.8 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C 0.596 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT