Ilona

01182, 1915 RD, 1915RD, 1927 EA, 1927EA, J15R00D, J27E00A

All data for this body: [vot]

MPC data
Name (number) Ilona (1182)
a 2.25948
e 0.11712
i / sin(i) 9.3914 / 0.16318
q 1.99484
Q 2.52412
ω 63.3072
Node 336.3022
m 246.0904
n 0.2902
Epoch 2460200.5
nobs 11739
nopp 44
Years observed 1927-2023
rms 0.30
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.260
ep 0.109
sin(ip) 0.163
Value Standard error
G 0.150
H 11.800
Mass
D 13.55 0.069
pV 0.227 0.0110
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2596 0.1087 0.1627 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.02 0.320 0.320 Masiero 2014ApJ...791..121M NEATM
13.29 2.480 2.480 Nugent 2016AJ....152...63N NEATM
13.45 0.074 0.074 Masiero 2011ApJ...741...68M NEATM
14.16 0.260 0.260 Masiero 2012ApJ...759L...8M NEATM
14.26 0.800 0.800 Tedesco 2002AJ....123.1056T STM
15.90 1.372 1.372 Ryan&Woodward 2010AJ....140..933R IRAS-STM
17.73 1.770 1.770 Ali-Lagoa 2018A&A...612A..85A NEATM
17.88 0.620 0.620 Usui 2011PASJ...63.1117U NEATM
19.20 3.433 3.433 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.158 0.0546 0.0546 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.159 0.0320 0.0320 Ali-Lagoa 2018A&A...612A..85A NEATM
0.215 0.0371 0.0371 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.220 0.1100 0.1100 Nugent 2016AJ....152...63N NEATM
0.221 0.0160 0.0160 Masiero 2012ApJ...759L...8M NEATM
0.262 0.0300 0.0300 Tedesco 2002AJ....123.1056T STM
0.296 0.0367 0.0367 Masiero 2011ApJ...741...68M NEATM
0.310 0.0500 0.0500 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
11.80 MPC-2023-12-04 MPC-2023-12-04 Phot