1998 DW2

1998DW2, 11164, 1990 HG6, 1990HG6, J90H06G, J98D02W

All data for this body: [vot]

MPC data
Name (number) 1998 DW2 (11164)
a 2.79872
e 0.08399
i / sin(i) 3.3681 / 0.05875
q 2.56364
Q 3.03380
ω 136.3495
Node 252.5944
m 56.2813
n 0.2105
Epoch 2460800.5
nobs 2605
nopp 23
Years observed 1990-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent Hoffmeister (1726)
 
ap 2.797
ep 0.049
sin(ip) 0.076
G 0.150
H 14.160
Mass
D 9.95 0.314
pV 0.054 0.0066
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 5.358
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1726 Hoffmeister 0 Hoffmeister Novakovic 2019EPSC...13.1671N HCM
1726 Hoffmeister 519 Hoffmeister 0.8500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7969 0.0489 0.0765 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.84 2.260 2.260 Masiero 2021PSJ.....2..162M NEATM
9.51 2.560 2.560 Masiero 2021PSJ.....2..162M NEATM
9.98 0.320 0.320 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.049 0.0190 0.0320 Masiero 2021PSJ.....2..162M NEATM
0.054 0.0070 0.0070 Masiero 2012ApJ...759L...8M NEATM
0.057 0.0230 0.0380 Masiero 2021PSJ.....2..162M 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
14.16 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
X 0.893 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT