1998 DB

1998DB, 1999 RZ177, 1999RZ177, 44034, J98D00B, J99RH7Z

All data for this body: [vot]

MPC data
Name (number) 1998 DB (44034)
a 2.21385
e 0.16792
i / sin(i) 2.0918 / 0.03650
q 1.84209
Q 2.58561
ω 139.5834
Node 100.8811
m 14.5491
n 0.2992
Epoch 2460800.5
nobs 1731
nopp 20
Years observed 1998-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.212
ep 0.183
sin(ip) 0.024
G 0.150
H 15.840
Mass
D 2.97 0.549
pV 0.082 0.0405
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 6.184
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2121 0.1828 0.0243 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.80 0.820 0.820 Nugent 2016AJ....152...63N NEATM
3.10 0.740 0.740 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.070 0.0500 0.0500 Nugent 2016AJ....152...63N NEATM
0.106 0.0690 0.0690 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
15.84 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 0.685 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C C None None Movis NIR Popescu 2018A&A...617A..12P PHOT
C C 0.1790 0.1790 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT