1998 DR7

1998DR7, 69580, J98D07R

All data for this body: [vot]

MPC data
Name (number) 1998 DR7 (69580)
a 2.28533
e 0.16139
i / sin(i) 4.0720 / 0.07101
q 1.91650
Q 2.65416
ω 30.6536
Node 55.9448
m 16.7568
n 0.2853
Epoch 2460800.5
nobs 2494
nopp 18
Years observed 1998-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.285
ep 0.178
sin(ip) 0.059
G 0.150
H 15.310
Mass
D 5.96 0.062
pV 0.037 0.0057
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 1.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2852 0.1782 0.0585 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.81 1.650 1.650 Masiero 2021PSJ.....2..162M NEATM
5.82 1.880 1.880 Masiero 2020PSJ.....1....5M NEATM
5.96 0.062 0.062 Masiero 2011ApJ...741...68M NEATM
6.16 2.130 2.130 Masiero 2012ApJ...759L...8M NEATM
6.45 1.510 1.510 Nugent 2016AJ....152...63N NEATM
6.47 1.790 1.790 Masiero 2021PSJ.....2..162M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.030 0.0200 0.0200 Nugent 2016AJ....152...63N NEATM
0.035 0.0130 0.0220 Masiero 2021PSJ.....2..162M NEATM
0.037 0.0067 0.0067 Masiero 2011ApJ...741...68M NEATM
0.044 0.0170 0.0280 Masiero 2021PSJ.....2..162M NEATM
0.046 0.0420 0.0420 Masiero 2020PSJ.....1....5M NEATM
0.047 0.0550 0.0550 Masiero 2012ApJ...759L...8M 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
15.31 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
C Kl None None Movis NIR Popescu 2018A&A...617A..12P PHOT