Heimdal

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

All data for this body: [vot]

MPC data
Name (number) Heimdal (3990)
a 3.94440
e 0.24229
i / sin(i) 9.4985 / 0.16502
q 2.98873
Q 4.90007
ω 197.9971
Node 192.6181
m 187.2419
n 0.1258
Epoch 2460200.5
nobs 6404
nopp 29
Years observed 1972-2023
rms 0.38
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 11.060
Mass
D 35.67 0.370
pV 0.067 0.0100
Rotational Period 45.830
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-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
35.67 0.370 0.370 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-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
11.06 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
20.00 Slyusarev LCDB Lightcurve
45.83 Warner 2021MPBu...48..303W Lightcurve