Irene

00014, 1851 KA, 1851KA, 1906 QC, 1906QC, 1913 EA, 1913EA, 1952 TM, 1952TM, I51K00A, J06Q00C, J13E00A, J52T00M

All data for this body: [vot]

MPC data
Name (number) Irene (14)
a 2.58798
e 0.16479
i / sin(i) 9.1195 / 0.15849
q 2.16151
Q 3.01446
ω 97.8607
Node 86.0762
m 184.1344
n 0.2367
Epoch 2460200.5
nobs 3074
nopp 84
Years observed 1851-2023
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.587
ep 0.199
sin(ip) 0.146
Value Standard error
G 0.150
H 6.560
Mass 1.991e+18 1.792e+17
D 146.41 1.572
pV 0.236 0.0163
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5875 0.1987 0.1459 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Mass data
[raw, vot]


Value Uncertainty up Uncertainty down Author Reference Method
1.4100e+18 1.9900e+17 1.9900e+17 Fienga 2009A&A...507.1675F Ephem
1.6900e+19 5.2800e+18 5.2800e+18 Zielenbach 2011AJ....142..120Z Deflec
1.9300e+18 2.0000e+18 2.0000e+18 Zielenbach 2011AJ....142..120Z Deflec
2.7900e+18 2.0200e+18 2.0200e+18 Zielenbach 2011AJ....142..120Z Deflec
2.8135e+18 9.7907e+17 9.7907e+17 Fienga inpop13c Ephem
2.8100e+18 9.7900e+17 9.7900e+17 Fienga 2014arXiv1405.0484F Ephem
3.8000e+18 1.6100e+18 1.6100e+18 Konopliv 2011Icar..211..401K Ephem
4.8100e+18 2.8500e+18 2.8500e+18 Zielenbach 2011AJ....142..120Z Deflec
5.0970e+18 7.7200e+17 7.7200e+17 Fienga 2020MNRAS.492..589F Ephem
5.1200e+19 1.5900e+19 1.5900e+19 Somenzi 2010P&SS...58..858S Deflec
5.2100e+18 Folkner 2009IPNPR.178C...1F Ephem
6.9400e+18 1.6300e+18 1.6300e+18 Baer 2011AJ....141..143B Deflec
7.4000e+18 Folkner 2014IPNPR.196C...1F Ephem
8.2100e+18 1.4500e+18 1.4500e+18 Baer 2008DPS....40.5209B Deflec
Diameter data
[raw, vot]


Value Uncertainty up Uncertainty down Author Reference Method
140.76 8.410 8.410 Masiero 2014ApJ...791..121M NEATM
143.43 28.690 28.690 Ali-Lagoa 2018A&A...612A..85A NEATM
144.09 1.940 1.940 Usui 2011PASJ...63.1117U NEATM
145.68 5.270 5.270 Masiero 2012ApJ...759L...8M NEATM
149.00 17.000 17.000 Hanus 2013Icar..226.1045H AO/LC
149.33 14.930 14.930 Ali-Lagoa 2018A&A...612A..85A NEATM
155.00 6.000 6.000 Viikinkoski 2017A&A...607A.117 AO/LC
155.40 4.385 4.385 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]


Value Uncertainty up Uncertainty down Author Reference Method
0.221 0.0223 0.0223 Masiero 2011ApJ...741...68M NEATM
0.235 0.0470 0.0470 Ali-Lagoa 2018A&A...612A..85A NEATM
0.251 0.0410 0.0410 Masiero 2012ApJ...759L...8M NEATM
0.255 0.1020 0.1020 Ali-Lagoa 2018A&A...612A..85A NEATM
0.270 0.0400 0.0400 Masiero 2014ApJ...791..121M 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
6.56 MPC-2023-12-04 MPC-2023-12-04 Phot