Calpurnia

02542, 1972 XN2, 1972XN2, 1976 OE, 1976OE, 1980 CF, 1980CF, J72X02N, J76O00E, J80C00F

All data for this body: [vot]

MPC data
Name (number) Calpurnia (2542)
a 3.12606
e 0.08155
i / sin(i) 4.6352 / 0.08081
q 2.87112
Q 3.38099
ω 49.9532
Node 145.5809
m 25.3059
n 0.1783
Epoch 2460800.5
nobs 6959
nopp 35
Years observed 1954-2025
rms 0.55
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.126
ep 0.116
sin(ip) 0.068
G 0.150
H 11.780
Mass
D 20.81 0.271
pV 0.093 0.0059
Value
Rotational Period 16.000
Period quality 2
Spectral Class X
Spectral Class Score 14.228
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1263 0.1155 0.0681 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
18.29 1.240 1.240 Usui 2011PASJ...63.1117U NEATM
18.82 3.760 3.760 Ali-Lagoa 2018A&A...612A..85A NEATM
20.85 0.281 0.281 Masiero 2011ApJ...741...68M NEATM
27.61 2.300 2.300 Tedesco 2002AJ....123.1056T STM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.064 0.0120 0.0120 Tedesco 2002AJ....123.1056T STM
0.102 0.0068 0.0068 Masiero 2011ApJ...741...68M NEATM
0.122 0.0490 0.0490 Ali-Lagoa 2018A&A...612A..85A 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
11.78 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
16.9 2 Synodic Behrend LCDB Lightcurve
17.2703 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 0.72 Bus VIS Carvano 2010A&A...510A..43C PHOT
M P 0.480000 0.460000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
M P 0.780000 0.110000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
X DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
X 0.985 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X C DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
X X 0.7197 0.7197 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
Xk Bus-DeMeo VISNIR Hasegawa 2021PASJ...73..240H PHOT
Xt Xt None None Movis NIR Popescu 2018A&A...617A..12P PHOT