Irmina

05794, 1976 SW3, 1976SW3, 1987 SW12, 1987SW12, J76S03W, J87S12W

All data for this body: [vot]

MPC data
Name (number) Irmina (5794)
a 3.14457
e 0.15687
i / sin(i) 5.2973 / 0.09232
q 2.65130
Q 3.63785
ω 218.7605
Node 172.8925
m 257.5199
n 0.1768
Epoch 2460800.5
nobs 3714
nopp 29
Years observed 1954-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent Hygiea (10)
 
ap 3.136
ep 0.138
sin(ip) 0.088
G 0.150
H 13.040
Mass
D 11.46 2.402
pV 0.095 0.0584
Value
Rotational Period
Period quality None
Spectral Class P
Spectral Class Score 4.350
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
3.1361 0.1381 0.0878 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.86 4.140 4.140 Nugent 2016AJ....152...63N NEATM
11.77 2.950 2.950 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.090 0.1000 0.1000 Nugent 2016AJ....152...63N NEATM
0.097 0.0720 0.0720 Masiero 2012ApJ...759L...8M 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
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B 0.140 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
B B 0.2097 0.2097 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
P 0.870000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC