Orma

02517, 1968 SB, 1968SB, 1972 HE, 1972HE, 1974 WA1, 1974WA1, 1977 FH1, 1977FH1, J68S00B, J72H00E, J74W01A, J77F01H

All data for this body: [vot]

MPC data
Name (number) Orma (2517)
a 3.18138
e 0.17417
i / sin(i) 2.6325 / 0.04593
q 2.62729
Q 3.73547
ω 300.4028
Node 71.8363
m 352.9809
n 0.1737
Epoch 2460800.5
nobs 4228
nopp 35
Years observed 1955-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.174
ep 0.157
sin(ip) 0.029
G 0.150
H 12.060
Mass
D 19.18 0.484
pV 0.085 0.0097
Value
Rotational Period 11.497
Period quality 2
Spectral Class C
Spectral Class Score 3.080
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 0 Themis Novakovic 2019EPSC...13.1671N HCM
24 Themis 602 Themis 0.6400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1735 0.1574 0.0285 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.85 1.250 1.250 Usui 2011PASJ...63.1117U NEATM
15.24 3.050 3.050 Ali-Lagoa 2018A&A...612A..85A NEATM
20.09 0.533 0.533 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.083 0.0098 0.0098 Masiero 2011ApJ...741...68M NEATM
0.141 0.0560 0.0560 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
12.06 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
11.4972 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
B B 0.4312 0.4312 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.54 Bus VIS Carvano 2010A&A...510A..43C PHOT