Halliday

03944, 1977 SH3, 1977SH3, 1981 WP1, 1981WP1, J77S03H, J81W01P

All data for this body: [vot]

MPC data
Name (number) Halliday (3944)
a 2.36854
e 0.15058
i / sin(i) 7.5471 / 0.13134
q 2.01190
Q 2.72519
ω 288.3816
Node 69.5410
m 33.8856
n 0.2704
Epoch 2460800.5
nobs 5994
nopp 28
Years observed 1977-2025
rms 0.56
Best values
[raw, vot]

Value Standard error
Parent Vesta (4)
 
ap 2.369
ep 0.108
sin(ip) 0.118
G 0.150
H 13.390
Mass
D 5.87 0.180
pV 0.295 0.0750
Value
Rotational Period 5.560
Period quality 2
Spectral Class V
Spectral Class Score 38.000
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
4 Vesta 0 Vesta Novakovic 2019EPSC...13.1671N HCM
4 Vesta 401 Vesta Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3685 0.1082 0.1177 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.87 0.180 0.180 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.295 0.0750 0.0750 Masiero 2012ApJ...759L...8M 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
13.39 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.565 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
V Bus-DeMeo VISNIR De Sanctis 2011MNRAS.412.2318D SPEC
V Tholen VIS Binzel 1993Sci...260..186B SPEC
V Tholen VIS Xu 1995Icar..115....1X SPEC
V 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC