1998 DR1

1998DR1, 1998 ED22, 1998ED22, 2001 UP116, 2001UP116, 55904, J98D01R, J98E22D, K01UB6P

All data for this body: [vot]

MPC data
Name (number) 1998 DR1 (55904)
a 2.86343
e 0.06736
i / sin(i) 2.5696 / 0.04483
q 2.67055
Q 3.05631
ω 264.5449
Node 150.2574
m 298.8433
n 0.2034
Epoch 2460800.5
nobs 982
nopp 20
Years observed 1991-2025
rms 0.86
Best values
[raw, vot]

Value Standard error
Parent Koronis (158)
 
ap 2.864
ep 0.051
sin(ip) 0.037
G 0.150
H 15.470
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 3.520
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
158 Koronis 0 Koronis Novakovic 2019EPSC...13.1671N HCM
158 Koronis 605 Koronis -0.0500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8640 0.0505 0.0368 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
15.47 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
D D 0.3814 0.3010 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
DL 0.08 Bus VIS Carvano 2010A&A...510A..43C PHOT
S D 0.2533 0.3010 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT