1998 RH27

1998RH27, 1999 WM20, 1999WM20, 2000 AT169, 2000AT169, 40176, J98R27H, J99W20M, K00AG9T

All data for this body: [vot]

MPC data
Name (number) 1998 RH27 (40176)
a 2.97054
e 0.01525
i / sin(i) 9.1174 / 0.15846
q 2.92524
Q 3.01585
ω 44.4671
Node 194.8396
m 178.4536
n 0.1925
Epoch 2460800.5
nobs 1855
nopp 22
Years observed 1998-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 2.970
ep 0.049
sin(ip) 0.163
G 0.150
H 14.270
Mass
D 6.17 0.478
pV 0.140 0.0178
Value
Rotational Period 5.187
Period quality 2
Spectral Class S
Spectral Class Score 7.005
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
221 Eos 0 Eos Novakovic 2019EPSC...13.1671N HCM
221 Eos 606 Eos -0.6300 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9702 0.0487 0.1629 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.17 0.478 0.478 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.140 0.0178 0.0178 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
14.27 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.18712 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
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S S 0.8341 0.7040 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
SQ 0.15 Bus VIS Carvano 2010A&A...510A..43C PHOT
X S 0.1209 0.7040 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT