1998 RS2

1998RS2, 1981 JU4, 1981JU4, 2001 MK5, 2001MK5, 52820, J81J04U, J98R02S, K01M05K

All data for this body: [vot]

MPC data
Name (number) 1998 RS2 (52820)
a 2.21373
e 0.20267
i / sin(i) 2.4477 / 0.04271
q 1.76508
Q 2.66239
ω 209.8963
Node 74.5604
m 86.9739
n 0.2992
Epoch 2460800.5
nobs 1523
nopp 20
Years observed 1981-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.213
ep 0.170
sin(ip) 0.015
G 0.150
H 15.960
Mass
D 3.96 0.134
pV 0.041 0.0064
Value
Rotational Period 2.134
Period quality 2
Spectral Class B
Spectral Class Score 8.383
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2126 0.1702 0.0153 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.18 0.970 0.970 Masiero 2020PSJ.....1....5M NEATM
3.98 0.135 0.135 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.041 0.0064 0.0064 Masiero 2011ApJ...741...68M NEATM
0.076 0.0540 0.0540 Masiero 2020PSJ.....1....5M 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
15.96 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
2.13412 2 Sidereal Hanus 2013A&A...551A..67H Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
B B 0.5142 0.5260 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
B B 0.5496 0.5260 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
C 0.13 Bus VIS Carvano 2010A&A...510A..43C PHOT
C B 0.1520 0.5260 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X 0.123 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT