1985 DA2

1985DA2, 16405, 1978 EG8, 1978EG8, 1999 DW, 1999DW, J78E08G, J85D02A, J99D00W

All data for this body: [vot]

MPC data
Name (number) 1985 DA2 (16405)
a 2.31459
e 0.23733
i / sin(i) 6.5928 / 0.11481
q 1.76526
Q 2.86391
ω 298.6281
Node 302.5803
m 276.1937
n 0.2799
Epoch 2460200.5
nobs 3020
nopp 21
Years observed 1978-2023
rms 0.59
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.317
ep 0.249
sin(ip) 0.133
Value Standard error
G 0.150
H 13.880
Mass
D 4.46 0.021
pV 0.281 0.0238
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3166 0.2490 0.1334 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.20 0.060 0.060 Masiero 2014ApJ...791..121M NEATM
4.49 0.023 0.023 Masiero 2011ApJ...741...68M NEATM
4.88 0.140 0.140 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.265 0.0340 0.0340 Masiero 2011ApJ...741...68M NEATM
0.269 0.0600 0.0600 Masiero 2012ApJ...759L...8M NEATM
0.310 0.0400 0.0400 Masiero 2014ApJ...791..121M 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
13.88 MPC-2023-12-04 MPC-2023-12-04 Phot