Nicomachus

08128, 1966 CU, 1966CU, 1966 DT, 1966DT, 1967 JP, 1967JP, J66C00U, J66D00T, J67J00P

All data for this body: [vot]

MPC data
Name (number) Nicomachus (8128)
a 3.13042
e 0.10526
i / sin(i) 4.1221 / 0.07188
q 2.80091
Q 3.45994
ω 260.7621
Node 326.8362
m 187.4359
n 0.1780
Epoch 2460800.5
nobs 3800
nopp 34
Years observed 1955-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent Hygiea (10)
 
ap 3.131
ep 0.132
sin(ip) 0.090
G 0.150
H 12.720
Mass
D 15.66 0.126
pV 0.087 0.0110
Value
Rotational Period 4.600
Period quality 2+
Spectral Class C
Spectral Class Score 10.034
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
10 Hygiea 0 Hygiea Novakovic 2019EPSC...13.1671N HCM
10 Hygiea 601 Hygiea Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1305 0.1320 0.0902 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
15.66 0.126 0.126 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.087 0.0110 0.0110 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
12.72 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.67 2+ Synodic Polishook 2012MNRAS.421.2094P Lightcurve
4.682 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
5.19 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B C 0.0110 0.1890 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
B C 0.3164 0.1890 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
B C 0.3403 0.1890 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
B C 0.3790 0.1890 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C None None Movis NIR Popescu 2018A&A...617A..12P PHOT
C C 0.2211 0.1890 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.2898 0.1890 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.4625 0.1890 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.5322 0.1890 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S C 0.4423 0.1890 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT