1987 DP6

1987DP6, 08821, 1990 UR3, 1990UR3, J87D06P, J90U03R

All data for this body: [vot]

MPC data
Name (number) 1987 DP6 (8821)
a 2.98052
e 0.10155
i / sin(i) 6.1414 / 0.10698
q 2.67784
Q 3.28320
ω 328.2485
Node 143.7271
m 195.2464
n 0.1915
Epoch 2460800.5
nobs 4093
nopp 25
Years observed 1987-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.980
ep 0.115
sin(ip) 0.093
G 0.150
H 13.070
Mass
D 9.50 0.266
pV 0.163 0.0217
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 10.640
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9800 0.1153 0.0930 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
9.50 0.266 0.266 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.163 0.0217 0.0217 Masiero 2011ApJ...741...68M 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
13.07 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 0.34 Bus VIS Carvano 2010A&A...510A..43C PHOT
Ds Ds None None Movis NIR Popescu 2018A&A...617A..12P PHOT
K DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
X 0.575 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X X 0.3482 0.7310 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.8501 0.7310 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT