Heimdal

03990, 1971QJ3, 1972TG2, 1972XM, 1979SA3, 1987SO3, 1988XK2, J71Q03J, J72T02G, J72X00M, J79S03A, J87S03O, J88X02K

All data for this body: [vot]

MPC data
Name (number) Heimdal (3990)
Packed designation 03990
a 3.94451
e 0.24198
i / sin(i) 9.4964 / 0.16499
q 2.99002
Q 4.89900
ω 197.8856
Node 192.6213
m 111.9414
n 0.1258
Epoch 2459600.5
nobs 3038
nopp 28
Years observed 1972-2022
rms 0.52
Best values
[raw, vot]

Value Standard error
Parent Hilda (153)
 
ap 3.965
ep 0.167
sin(ip) 0.168
Value Standard error
G 0.150
H 10.880
Mass
D 10.00 0.012
pV 0.067 0.0100
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
153 Hilda 1 Hilda Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.9651 0.1671 0.1677 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.00 0.012 0.012 Grav 2012ApJ...744..197G NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.067 0.0100 0.0100 Grav 2012ApJ...744..197G NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.88 MPC-2022-01-18 MPC-2022-01-18 Phot