Caspar

03956, 1951 TD, 1951TD, 1971 QM1, 1971QM1, 1978 WS3, 1978WS3, 1981 RA4, 1981RA4, 1981 SM3, 1981SM3, 1986 AZ1, 1986AZ1, 1988 VL1, 1988VL1, J51T00D, J71Q01M, J78W03S, J81R04A, J81S03M, J86A01Z, J88V01L

All data for this body: [vot]

MPC data
Name (number) Caspar (3956)
a 2.23942
e 0.17912
i / sin(i) 4.8094 / 0.08384
q 1.83829
Q 2.64055
ω 108.1637
Node 255.2245
m 352.7463
n 0.2941
Epoch 2460800.5
nobs 4152
nopp 30
Years observed 1951-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.240
ep 0.131
sin(ip) 0.100
G 0.150
H 13.040
Mass
D 5.47 0.228
pV 0.308 0.0476
Value
Rotational Period 2.771
Period quality 3
Spectral Class S
Spectral Class Score 5.982
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
8 Flora 402 Flora 0.5100 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
298 Baptistina 0 Baptistina Novakovic 2019EPSC...13.1671N HCM
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2395 0.1314 0.0996 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.44 0.231 0.231 Masiero 2011ApJ...741...68M NEATM
6.60 1.510 1.510 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.270 0.1400 0.1400 Nugent 2016AJ....152...63N NEATM
0.313 0.0506 0.0506 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
13.04 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
2.77113 3 Synodic Chiorny 2011P&SS...59.1482C Lightcurve
2.7712 3 Synodic Pravec LCDB Lightcurve
2.7712 3 Synodic Pravec LCDB Lightcurve
2.77138 3 Synodic Behrend LCDB Lightcurve
2.783 2 Synodic Mas 2018MPBu...45...76M Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B 0.305 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.9970 0.9970 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT