Afra

01187, 1929 XC, 1929XC, J29X00C

All data for this body: [vot]

MPC data
Name (number) Afra (1187)
a 2.63927
e 0.22381
i / sin(i) 10.6975 / 0.18562
q 2.04859
Q 3.22995
ω 74.8988
Node 327.1558
m 327.9296
n 0.2299
Epoch 2460200.5
nobs 6813
nopp 37
Years observed 1929-2023
rms 0.38
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.640
ep 0.188
sin(ip) 0.206
Value Standard error
G 0.150
H 11.650
Mass
D 32.89 0.128
pV 0.049 0.0024
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6403 0.1884 0.2061 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
24.36 4.140 4.140 Nugent 2016AJ....152...63N NEATM
28.95 8.519 8.519 Masiero 2017AJ....154..168M NEATM
29.50 1.334 1.334 Ryan&Woodward 2010AJ....140..933R IRAS-STM
30.90 8.070 8.070 Masiero 2021PSJ.....2..162M NEATM
30.96 7.950 7.950 Masiero 2021PSJ.....2..162M NEATM
31.83 3.900 3.900 Tedesco 2002AJ....123.1056T STM
31.96 0.330 0.330 Usui 2011PASJ...63.1117U NEATM
32.15 12.850 12.850 Masiero 2012ApJ...759L...8M NEATM
32.35 0.300 0.300 Masiero 2014ApJ...791..121M NEATM
33.31 0.159 0.159 Masiero 2011ApJ...741...68M NEATM
33.91 3.390 3.390 Ali-Lagoa 2018A&A...612A..85A NEATM
34.63 2.607 2.607 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
35.38 3.540 3.540 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.039 0.0080 0.0080 Ali-Lagoa 2018A&A...612A..85A NEATM
0.042 0.0080 0.0080 Ali-Lagoa 2018A&A...612A..85A NEATM
0.043 0.0230 0.0230 Masiero 2012ApJ...759L...8M NEATM
0.045 0.0069 0.0069 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.046 0.0170 0.0270 Masiero 2021PSJ.....2..162M NEATM
0.047 0.0170 0.0270 Masiero 2021PSJ.....2..162M NEATM
0.048 0.0041 0.0041 Masiero 2011ApJ...741...68M NEATM
0.050 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.053 0.0160 0.0160 Tedesco 2002AJ....123.1056T STM
0.060 0.0327 0.0327 Masiero 2017AJ....154..168M NEATM
0.061 0.0055 0.0055 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.070 0.0200 0.0200 Nugent 2016AJ....152...63N 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
11.65 MPC-2023-12-04 MPC-2023-12-04 Phot