Irenaea

00794, 1914QB, 1930KH, 1936QK, 1947QD, 1953TT2, J14Q00B, J30K00H, J36Q00K, J47Q00D, J53T02T

All data for this body: [vot]

MPC data
Name (number) Irenaea (794)
Packed designation 00794
a 3.12907
e 0.29606
i / sin(i) 5.4192 / 0.09444
q 2.20266
Q 4.05547
ω 131.3514
Node 160.3954
m 138.0045
n 0.1781
Epoch 2459600.5
nobs 3665
nopp 38
Years observed 1915-2022
rms 0.54
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.140
ep 0.284
sin(ip) 0.094
Value Standard error
G 0.150
H 11.420
Mass
D 37.65 1.248
pV 0.042 0.0080
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1396 0.2838 0.0940 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
29.80 11.780 11.780 Nugent 2016AJ....152...63N NEATM
31.95 11.690 11.690 Masiero 2021PSJ.....2..162M NEATM
32.58 10.050 10.050 Masiero 2021PSJ.....2..162M NEATM
34.19 10.380 10.380 Masiero 2021PSJ.....2..162M NEATM
35.70 6.140 6.140 Masiero 2012ApJ...759L...8M NEATM
36.94 7.390 7.390 Ali-Lagoa 2018A&A...612A..85A NEATM
38.00 1.350 1.350 Usui 2011PASJ...63.1117U NEATM
41.51 8.300 8.300 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.035 0.0140 0.0140 Ali-Lagoa 2018A&A...612A..85A NEATM
0.042 0.0180 0.0300 Masiero 2021PSJ.....2..162M NEATM
0.042 0.0210 0.0420 Masiero 2021PSJ.....2..162M NEATM
0.044 0.0180 0.0180 Ali-Lagoa 2018A&A...612A..85A NEATM
0.046 0.0180 0.0180 Masiero 2012ApJ...759L...8M NEATM
0.046 0.0210 0.0400 Masiero 2021PSJ.....2..162M NEATM
0.060 0.0400 0.0400 Nugent 2016AJ....152...63N 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
11.42 MPC-2022-01-18 MPC-2022-01-18 Phot