Amherstia

00516, 1903 SG, 1903SG, 1938 YO, 1938YO, J03S00G, J38Y00O

All data for this body: [vot]

MPC data
Name (number) Amherstia (516)
a 2.67797
e 0.27560
i / sin(i) 12.9537 / 0.22417
q 1.93992
Q 3.41601
ω 258.0755
Node 328.7137
m 24.9916
n 0.2249
Epoch 2460800.5
nobs 6553
nopp 60
Years observed 1903-2025
rms 0.60
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.680
ep 0.282
sin(ip) 0.259
G 0.150
H 8.360
Mass 5.242e+17 1.504e+17
D 66.29 0.307
pV 0.164 0.0046
Value
Rotational Period 7.484
Period quality 3
Spectral Class X
Spectral Class Score 31.068
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6801 0.2820 0.2586 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.7000e+17 2.0400e+17 2.0400e+17 Fienga 2020MNRAS.492..589F Ephem
1.6400e+17 7.8100e+17 7.8100e+17 Fienga 2014arXiv1405.0484F Ephem
4.6700e+17 Folkner 2014IPNPR.196C...1F Ephem
6.9597e+17 2.7839e+17 2.7839e+17 Fienga 2013arXiv1301.1510F Ephem
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
63.06 6.310 6.310 Ali-Lagoa 2018A&A...612A..85A NEATM
63.27 6.330 6.330 Ali-Lagoa 2018A&A...612A..85A NEATM
65.14 0.380 0.380 Masiero 2014ApJ...791..121M NEATM
66.26 0.620 0.620 Usui 2011PASJ...63.1117U NEATM
68.11 15.457 15.457 Masiero 2017AJ....154..168M NEATM
72.29 1.880 1.880 Masiero 2012ApJ...759L...8M NEATM
73.10 1.700 1.700 Tedesco 2002AJ....123.1056T STM
74.28 2.493 2.493 Masiero 2011ApJ...741...68M NEATM
76.87 2.330 2.330 Ryan&Woodward 2010AJ....140..933R IRAS-STM
83.09 4.391 4.391 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.127 0.0134 0.0134 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.147 0.0091 0.0091 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.158 0.0218 0.0218 Masiero 2011ApJ...741...68M NEATM
0.163 0.0080 0.0080 Tedesco 2002AJ....123.1056T STM
0.166 0.0230 0.0230 Masiero 2012ApJ...759L...8M NEATM
0.197 0.1204 0.1204 Masiero 2017AJ....154..168M NEATM
0.200 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.247 0.0490 0.0490 Ali-Lagoa 2018A&A...612A..85A NEATM
0.249 0.0500 0.0500 Ali-Lagoa 2018A&A...612A..85A 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
8.36 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
7.0 2 Synodic Harris 1980Icar...43...20H Lightcurve
7.4792 3 Sidereal Michalowski 2000A&AS..146..471M Model
7.4842 3 Synodic Behrend LCDB Lightcurve
7.4843 2 Sidereal Durech 2009A&A...493..291D Model
7.4843 2 Sidereal Durech 2023A&A...675A..24D Model
7.48431 2 Sidereal Hanus 2011A&A...530A.134H Model
7.48574 3- Synodic Behrend LCDB Lightcurve
7.49 3 Synodic Lagerkvist 1987A&AS...70...21L Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
X Bus VIS Fornasier 2010Icar..210..655F SPEC
M S 0.680000 0.230000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
S L 0.480000 0.390000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
S M 0.570000 0.270000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
S S 1.0000 0.9860 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
Sq Bus-DeMeo VISNIR Fornasier 2010Icar..210..655F SPEC
X Bus-DeMeo VISNIR Neeley 2014Icar..238...37N SPEC
X Bus VIS Bus 2002Icar..158..146B SPEC
X S 0.0114 0.9860 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT