Cacus

1978 CA, 1978CA, G1989, J78C00A

All data for this body: [vot]

MPC data
Name (number) Cacus (161989)
a 1.12267
e 0.21384
i / sin(i) 26.0642 / 0.43938
q 0.88260
Q 1.36274
ω 102.0892
Node 161.2092
m 144.5244
n 0.8286
Epoch 2460800.5
nobs 1718
nopp 11
Years observed 1978-2023
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
G 0.150
H 17.310
Mass
D 0.68 0.019
pV 0.264 0.0450
Value
Rotational Period 3.753
Period quality 3
Spectral Class S-complex
Spectral Class Score 18.000
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.64 0.020 0.020 Nugent 2016AJ....152...63N NEATM
1.13 0.073 0.073 Mainzer 2011ApJ...743..156M NEATM
1.14 0.244 0.244 Masiero 2020PSJ.....1....9M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.199 0.0520 0.0520 Mainzer 2011ApJ...743..156M NEATM
0.460 0.0900 0.0900 Nugent 2016AJ....152...63N 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
17.31 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.755067 2 Sidereal Durech 2018A&A...609A..86D Model
3.74 2+ Synodic Panfichi 2023MPBu...50..128P Lightcurve
3.75 2 Synodic Skiff 2019MPBu...46..458S Lightcurve
3.7538 3 Synodic Pravec LCDB Lightcurve
3.756 3 Synodic Schuster 1979A&AS...37..483S Lightcurve
3.761 3 Synodic Degewij 1978IAUC.3193....1D Lightcurve
3.77 2- Synodic Koehn 2014MPBu...41..286K Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S-complex Bus-DeMeo NIR Binzel 2019Icar..324...41B SPEC
S Tholen VIS Michelsen 2006A&A...451..331M SPEC
S 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC