Amherstia

00516, 1903SG, 1938YO, J03S00G, J38Y00O

All data for this body: [vot]

MPC data
Name (number) Amherstia (516)
Packed designation 00516
a 2.68119
e 0.27335
i / sin(i) 12.9586 / 0.22425
q 1.94828
Q 3.41411
ω 258.1366
Node 328.7901
m 114.9293
n 0.2245
Epoch 2459600.5
nobs 2895
nopp 57
Years observed 1903-2021
rms 0.61
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.680
ep 0.282
sin(ip) 0.259
Value Standard error
G 0.150
H 8.280
Mass 5.242e+17 1.504e+17
D 66.29 0.307
pV 0.164 0.0046
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-Jan-2022
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.9597e+17 2.7839e+17 2.7839e+17 Fienga 2013arXiv1301.1510F Ephem
1.6400e+17 7.8100e+17 7.8100e+17 Fienga 2014arXiv1405.0484F Ephem
4.6700e+17 Folkner 2014IPNPR.196C...1F Ephem
4.7000e+17 2.0400e+17 2.0400e+17 Fienga 2020MNRAS.492..589F 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-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

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