Edna

00445, 1899 TC, 1899TC, 1918 CB, 1918CB, 1978 PJ5, 1978PJ5, I99T00C, J18C00B, J78P05J

All data for this body: [vot]

MPC data
Name (number) Edna (445)
a 3.19517
e 0.19789
i / sin(i) 21.3154 / 0.36350
q 2.56289
Q 3.82746
ω 81.9985
Node 291.9672
m 21.1647
n 0.1726
Epoch 2460800.5
nobs 7672
nopp 53
Years observed 1899-2025
rms 0.53
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.189
ep 0.159
sin(ip) 0.393
G 0.150
H 9.290
Mass 5.461e+17 1.116e+17
D 85.03 0.318
pV 0.054 0.0007
Value
Rotational Period 19.950
Period quality 3
Spectral Class X
Spectral Class Score 6.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1886 0.1587 0.3926 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.1617e+17 1.5790e+17 1.5790e+17 Fienga INPOP19a Ephem
7.7600e+17 Folkner 2014IPNPR.196C...1F Ephem
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
105.50 1.514 1.514 Masiero 2011ApJ...741...68M NEATM
75.57 0.603 0.603 Ryan&Woodward 2010AJ....140..933R MSX-STM
81.40 4.336 4.336 Ryan&Woodward 2010AJ....140..933R IRAS-STM
82.37 25.740 25.740 Nugent 2016AJ....152...63N NEATM
83.21 1.485 1.485 Ryan&Woodward 2010AJ....140..933R MSX-NEATM
84.95 27.890 27.890 Masiero 2021PSJ.....2..162M NEATM
86.56 23.670 23.670 Masiero 2021PSJ.....2..162M NEATM
87.17 2.100 2.100 Tedesco 2002AJ....123.1056T STM
87.81 0.430 0.430 Masiero 2014ApJ...791..121M NEATM
89.16 1.430 1.430 Usui 2011PASJ...63.1117U NEATM
90.41 27.130 27.130 Masiero 2020PSJ.....1....5M NEATM
95.54 9.550 9.550 Ali-Lagoa 2018A&A...612A..85A NEATM
97.58 19.520 19.520 Ali-Lagoa 2018A&A...612A..85A NEATM
98.18 5.304 5.304 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.030 0.0071 0.0071 Masiero 2011ApJ...741...68M NEATM
0.033 0.0280 0.0280 Masiero 2020PSJ.....1....5M NEATM
0.035 0.0160 0.0290 Masiero 2021PSJ.....2..162M NEATM
0.036 0.0038 0.0038 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.037 0.0160 0.0280 Masiero 2021PSJ.....2..162M NEATM
0.040 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.040 0.0500 0.0500 Nugent 2016AJ....152...63N NEATM
0.041 0.0160 0.0160 Ali-Lagoa 2018A&A...612A..85A NEATM
0.043 0.0090 0.0090 Ali-Lagoa 2018A&A...612A..85A NEATM
0.045 0.0020 0.0020 Tedesco 2002AJ....123.1056T STM
0.049 0.0018 0.0018 Ryan&Woodward 2010AJ....140..933R MSX-NEATM
0.053 0.0055 0.0055 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.059 0.0009 0.0009 Ryan&Woodward 2010AJ....140..933R MSX-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
9.29 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
19.959 3 Synodic Pilcher 2019MPBu...46...58P Lightcurve
19.96 3- Synodic Polakis 2020MPBu...47..177P Lightcurve
19.97 2 Synodic Malcolm 2002MPBu...29...28M Lightcurve
19.9758 2 Sidereal Durech 2023A&A...675A..24D Model
19.9764 2 Sidereal Durech 2019A&A...631A...2D Model
19.977 3 Synodic Pilcher 2019MPBu...46...58P Lightcurve
9.12 1 Synodic Behrend LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C Bus VIS Luo 2024AJ....167...13L SPEC
Caa Tholen VIS Lazzaro 2004Icar..172..179L SPEC
Ch Bus VIS Lazzaro 2004Icar..172..179L SPEC
P 0.960000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
X 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT