1987 DB6

1987DB6, 07745, 1990 UQ6, 1990UQ6, 1994 PW34, 1994PW34, J87D06B, J90U06Q, J94P34W

All data for this body: [vot]

MPC data
Name (number) 1987 DB6 (7745)
a 2.79257
e 0.20751
i / sin(i) 8.1330 / 0.14147
q 2.21309
Q 3.37205
ω 287.7131
Node 151.9307
m 121.5520
n 0.2112
Epoch 2460800.5
nobs 3749
nopp 26
Years observed 1987-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent Dora (668)
 
ap 2.792
ep 0.198
sin(ip) 0.137
G 0.150
H 13.640
Mass
D 12.88 0.044
pV 0.039 0.0039
Value
Rotational Period 7.000
Period quality 3
Spectral Class C
Spectral Class Score 28.000
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
668 Dora 0 Dora Novakovic 2019EPSC...13.1671N HCM
668 Dora 512 Dora Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7919 0.1980 0.1368 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]


Value Uncertainty up Uncertainty down Author Reference Method
11.06 3.020 3.020 Masiero 2021PSJ.....2..162M NEATM
12.88 0.044 0.044 Masiero 2011ApJ...741...68M NEATM
9.73 2.840 2.840 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]


Value Uncertainty up Uncertainty down Author Reference Method
0.037 0.0140 0.0230 Masiero 2021PSJ.....2..162M NEATM
0.039 0.0040 0.0040 Masiero 2011ApJ...741...68M NEATM
0.074 0.0640 0.0640 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
13.64 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.5 2 Synodic Chang 2016ApJS..227...20C Lightcurve
7.04 3 Synodic Polishook 2014MPBu...41...49P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B 0.992 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C Bus-DeMeo VISNIR Hasegawa 2024AJ....167..224H SPEC
C 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC