Astraea

00005, 1845 XA, 1845XA, 1969 SE, 1969SE, I45X00A, J69S00E

All data for this body: [vot]

MPC data
Name (number) Astraea (5)
a 2.57689
e 0.18744
i / sin(i) 5.3587 / 0.09339
q 2.09388
Q 3.05990
ω 359.1367
Node 141.4691
m 303.3980
n 0.2383
Epoch 2460200.5
nobs 3236
nopp 87
Years observed 1845-2023
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.577
ep 0.185
sin(ip) 0.080
Value Standard error
G 0.150
H 7.000
Mass 2.090e+18 2.366e+17
D 110.18 1.023
pV 0.242 0.0108
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5770 0.1851 0.0795 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.2600e+19 4.6100e+18 4.6100e+18 Zielenbach 2011AJ....142..120Z Deflec
2.2000e+14 4.2900e+17 4.2900e+17 Fienga 2014arXiv1405.0484F Ephem
2.3800e+18 Folkner 2009IPNPR.178C...1F Ephem
2.5300e+18 Folkner 2014IPNPR.196C...1F Ephem
2.7160e+18 3.2600e+17 3.2600e+17 Fienga 2020MNRAS.492..589F Ephem
3.3900e+18 6.9200e+17 6.9200e+17 Zielenbach 2011AJ....142..120Z Deflec
8.5000e+18 2.9000e+18 2.9000e+18 Zielenbach 2011AJ....142..120Z Deflec
8.6100e+18 2.2600e+18 2.2600e+18 Zielenbach 2011AJ....142..120Z Deflec
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
104.53 10.450 10.450 Ali-Lagoa 2018A&A...612A..85A NEATM
105.40 10.540 10.540 Ali-Lagoa 2018A&A...612A..85A NEATM
106.70 3.140 3.140 Masiero 2012ApJ...759L...8M NEATM
108.29 3.700 3.700 Masiero 2014ApJ...791..121M NEATM
110.00 14.000 14.000 Hanus 2013Icar..226.1045H AO/LC
110.77 1.370 1.370 Usui 2011PASJ...63.1117U NEATM
114.00 4.000 4.000 Hanus 2017A&A...601A.114H AO/OCCULT/LC
115.00 6.000 6.000 Durech 2011Icar..214..652D OCCULT
115.00 9.353 9.353 Masiero 2011ApJ...741...68M NEATM
119.07 6.500 6.500 Tedesco 2002AJ....123.1056T STM
133.73 6.468 6.468 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
97.97 3.623 3.623 Ryan&Woodward 2010AJ....140..933R IRAS-STM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.180 0.0175 0.0175 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.227 0.0270 0.0270 Tedesco 2002AJ....123.1056T STM
0.245 0.0509 0.0509 Masiero 2011ApJ...741...68M NEATM
0.270 0.0300 0.0300 Masiero 2014ApJ...791..121M NEATM
0.282 0.0500 0.0500 Masiero 2012ApJ...759L...8M NEATM
0.292 0.0580 0.0580 Ali-Lagoa 2018A&A...612A..85A NEATM
0.297 0.0590 0.0590 Ali-Lagoa 2018A&A...612A..85A NEATM
0.337 0.0256 0.0256 Ryan&Woodward 2010AJ....140..933R IRAS-STM
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
7.00 MPC-2023-12-04 MPC-2023-12-04 Phot