1987 AD

1987AD, 1998 WW1, 1998WW1, 46542, J87A00D, J98W01W

All data for this body: [vot]

MPC data
Name (number) 1987 AD (46542)
a 2.57642
e 0.20841
i / sin(i) 29.7796 / 0.49667
q 2.03947
Q 3.11338
ω 139.6206
Node 281.0937
m 350.7018
n 0.2383
Epoch 2460200.5
nobs 1134
nopp 18
Years observed 1983-2023
rms 0.58
Best values
[raw, vot]

Value Standard error
Parent Brucato (4203)
 
ap 2.575
ep 0.201
sin(ip) 0.487
Value Standard error
G 0.150
H 14.350
Mass
D 6.45 0.086
pV 0.065 0.0140
Rotational Period
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
4203 Brucato 807 Brucato -0.8900 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5748 0.2010 0.4867 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.32 1.909 1.909 Masiero 2017AJ....154..168M NEATM
6.44 0.086 0.086 Masiero 2011ApJ...741...68M NEATM
6.83 2.280 2.280 Masiero 2021PSJ.....2..162M NEATM
7.41 2.240 2.240 Nugent 2016AJ....152...63N NEATM
8.15 2.130 2.130 Masiero 2021PSJ.....2..162M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.041 0.0242 0.0242 Masiero 2017AJ....154..168M NEATM
0.050 0.0600 0.0600 Nugent 2016AJ....152...63N NEATM
0.068 0.0300 0.0530 Masiero 2021PSJ.....2..162M NEATM
0.070 0.0260 0.0410 Masiero 2021PSJ.....2..162M NEATM
0.089 0.0249 0.0249 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
14.35 MPC-2023-12-04 MPC-2023-12-04 Phot