1998 RU1

1998RU1, 1999 XJ195, 1999XJ195, 44310, J98R01U, J99XJ5J

All data for this body: [vot]

MPC data
Name (number) 1998 RU1 (44310)
a 2.62276
e 0.12908
i / sin(i) 12.3446 / 0.21379
q 2.28422
Q 2.96131
ω 292.3074
Node 317.8854
m 201.5913
n 0.2320
Epoch 2460800.5
nobs 1950
nopp 21
Years observed 1998-2025
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.620
ep 0.136
sin(ip) 0.231
G 0.150
H 14.330
Mass
D 3.50 0.145
pV 0.398 0.0617
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 16.101
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 -0.1900 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6203 0.1363 0.2308 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.50 0.145 0.145 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.398 0.0617 0.0617 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
14.33 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
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.70 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.4249 0.7550 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.7523 0.7550 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9397 0.7550 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V 0.214 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT