1998 DR

1998DR, 18613, 1999 JF50, 1999JF50, J98D00R, J99J50F

All data for this body: [vot]

MPC data
Name (number) 1998 DR (18613)
a 2.74695
e 0.17020
i / sin(i) 6.2849 / 0.10947
q 2.27943
Q 3.21446
ω 219.7294
Node 101.1361
m 183.2438
n 0.2165
Epoch 2460800.5
nobs 2793
nopp 22
Years observed 1993-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.749
ep 0.145
sin(ip) 0.088
G 0.150
H 14.880
Mass
D 7.08 1.329
pV 0.046 0.0216
Value
Rotational Period 34.347
Period quality 2
Spectral Class X
Spectral Class Score 14.541
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
808 Merxia 0 Merxia Novakovic 2019EPSC...13.1671N HCM
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7488 0.1446 0.0885 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.86 1.880 1.880 Masiero 2020PSJ.....1....5M NEATM
7.30 1.880 1.880 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.044 0.0300 0.0300 Masiero 2020PSJ.....1....5M NEATM
0.049 0.0310 0.0310 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
14.88 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
34.3478 2 Synodic Pal 2020ApJS..247...26P Lightcurve
34.371 2 Sidereal Durech 2023A&A...675A..24D Model
34.371 2 Synodic McNeill 2019ApJS..245...29M Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B 0.966 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C 0.74 Bus VIS Carvano 2010A&A...510A..43C PHOT
X DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
X X 0.3419 0.5330 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.4838 0.5330 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.5275 0.5330 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.7370 0.5330 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT