Armandhammer

03376, 1952 HP3, 1952HP3, 1975 XF1, 1975XF1, 1978 PJ4, 1978PJ4, 1978 SZ1, 1978SZ1, 1982 TN, 1982TN, 1982 UJ8, 1982UJ8, J52H03P, J75X01F, J78P04J, J78S01Z, J82T00N, J82U08J

All data for this body: [vot]

MPC data
Name (number) Armandhammer (3376)
a 2.34848
e 0.06765
i / sin(i) 6.3480 / 0.11057
q 2.18961
Q 2.50735
ω 328.7146
Node 249.9343
m 103.1042
n 0.2739
Epoch 2460800.5
nobs 4549
nopp 28
Years observed 1953-2025
rms 0.62
Best values
[raw, vot]

Value Standard error
Parent Vesta (4)
 
ap 2.349
ep 0.096
sin(ip) 0.123
G 0.150
H 12.500
Mass
D 8.19 0.079
pV 0.242 0.0203
Value
Rotational Period 7.910
Period quality 3-
Spectral Class Sq
Spectral Class Score 15.000
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
2.3488 0.0964 0.1234 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.89 0.150 0.150 Masiero 2014ApJ...791..121M NEATM
8.17 0.098 0.098 Masiero 2011ApJ...741...68M NEATM
9.56 0.290 0.290 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.212 0.0270 0.0270 Masiero 2012ApJ...759L...8M NEATM
0.276 0.0356 0.0356 Masiero 2011ApJ...741...68M NEATM
0.290 0.0600 0.0600 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
12.50 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
6.82 2 Synodic Carbo 2009MPBu...36..152C Lightcurve
7.91117 2 Sidereal Durech 2020A&A...643A..59D Model
7.916 3- Synodic Stephens 2016MPBu...43..252S Lightcurve
7.9184 2 Synodic Pravec LCDB Lightcurve
7.94 2 Synodic Stephens 2022MPBu...49...31S Lightcurve
9.48 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
S DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
S 0.526 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.7776 0.4540 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
Sq Bus VIS Bus 2002Icar..158..146B SPEC
Sq Bus VISNIR Hicks 2014Icar..235...60H SPEC+PHOT
V DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
V 0.25 Bus VIS Carvano 2010A&A...510A..43C PHOT
V 0.820000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
V S 0.5694 0.4540 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V S 0.6907 0.4540 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT