1991 RC27

1991RC27, 18375, 1998 HU24, 1998HU24, J91R27C, J98H24U

All data for this body: [vot]

MPC data
Name (number) 1991 RC27 (18375)
a 2.63718
e 0.17608
i / sin(i) 13.6085 / 0.23529
q 2.17281
Q 3.10155
ω 343.5449
Node 27.8601
m 306.8188
n 0.2301
Epoch 2460800.5
nobs 3116
nopp 24
Years observed 1953-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.636
ep 0.149
sin(ip) 0.222
G 0.150
H 13.580
Mass
D 5.97 0.071
pV 0.197 0.0221
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 5.832
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15 Eunomia 0 Eunomia Novakovic 2019EPSC...13.1671N HCM
15 Eunomia 502 Eunomia -0.0800 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6364 0.1487 0.2215 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.97 0.071 0.071 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.197 0.0221 0.0221 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
13.58 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
Ds Ad None None Movis NIR Popescu 2018A&A...617A..12P PHOT
S 0.972 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT