Eva

00164, 1876 NA, 1876NA, I76N00A

All data for this body: [vot]

MPC data
Name (number) Eva (164)
a 2.63241
e 0.34644
i / sin(i) 24.4755 / 0.41430
q 1.72045
Q 3.54438
ω 284.0365
Node 76.7798
m 238.2869
n 0.2308
Epoch 2460800.5
nobs 6018
nopp 48
Years observed 1893-2025
rms 0.60
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.633
ep 0.273
sin(ip) 0.429
G 0.150
H 8.770
Mass 1.987e+18 4.189e+17
D 99.77 0.677
pV 0.044 0.0013
Value
Rotational Period 13.600
Period quality 3
Spectral Class Xc
Spectral Class Score 21.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6329 0.2729 0.4291 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Mass data
[raw, vot]


Value Uncertainty up Uncertainty down Author Reference Method
1.9884e+15 Fienga 2013arXiv1301.1510F Ephem
2.8000e+18 Folkner 2014IPNPR.196C...1F Ephem
3.1605e+18 7.2560e+17 7.2560e+17 Fienga INPOP19a Ephem
Diameter data
[raw, vot]


Value Uncertainty up Uncertainty down Author Reference Method
100.25 0.940 0.940 Masiero 2012ApJ...759L...8M NEATM
101.75 20.350 20.350 Ali-Lagoa 2018A&A...612A..85A NEATM
104.87 1.900 1.900 Tedesco 2002AJ....123.1056T STM
105.41 29.340 29.340 Masiero 2020PSJ.....1....5M NEATM
108.85 10.880 10.880 Ali-Lagoa 2018A&A...612A..85A NEATM
108.96 2.970 2.970 Masiero 2011ApJ...741...68M NEATM
110.38 30.410 30.410 Masiero 2020PSJ.....1....5M NEATM
116.46 5.478 5.478 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
120.74 45.990 45.990 Masiero 2020PSJ.....1....5M NEATM
85.58 2.256 2.256 Ryan&Woodward 2010AJ....140..933R IRAS-STM
88.21 27.330 27.330 Nugent 2016AJ....152...63N NEATM
95.62 26.550 26.550 Masiero 2021PSJ.....2..162M NEATM
97.70 1.560 1.560 Usui 2011PASJ...63.1117U NEATM
Albedo data
[raw, vot]


Value Uncertainty up Uncertainty down Author Reference Method
0.029 0.0029 0.0029 Masiero 2011ApJ...741...68M NEATM
0.035 0.0340 0.0340 Masiero 2020PSJ.....1....5M NEATM
0.036 0.0035 0.0035 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.040 0.0270 0.0270 Masiero 2020PSJ.....1....5M NEATM
0.043 0.0270 0.0270 Masiero 2020PSJ.....1....5M NEATM
0.045 0.0020 0.0020 Tedesco 2002AJ....123.1056T STM
0.048 0.0100 0.0100 Ali-Lagoa 2018A&A...612A..85A NEATM
0.049 0.0050 0.0050 Masiero 2012ApJ...759L...8M NEATM
0.050 0.0200 0.0330 Masiero 2021PSJ.....2..162M NEATM
0.050 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM
0.055 0.0220 0.0220 Ali-Lagoa 2018A&A...612A..85A NEATM
0.067 0.0036 0.0036 Ryan&Woodward 2010AJ....140..933R IRAS-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
8.77 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
13.66 3- Synodic Behrend LCDB Lightcurve
13.66 3 Synodic Schober 1982A&AS...48...57S Lightcurve
13.6638 2 Sidereal Hanus 2016A&A...586A.108H Model
13.66381 2 Sidereal Martikainen 2021A&A...649A..98M Model
13.6656 2 Sidereal Durech 2023A&A...675A..24D Model
13.672 3- Synodic Warner 2009MPBu...36....7W Lightcurve
27.3 0 Synodic Schober 1977Icar...31..175S Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C C 0.9150 0.9150 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C P 0.650000 0.350000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
C P 0.690000 0.290000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
C P 0.850000 0.120000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
X Bus VIS Bus 2002Icar..158..146B SPEC
X Bus VIS Lazzaro 2004Icar..172..179L SPEC
X Tholen VIS Lazzaro 2004Icar..172..179L SPEC
Xc Bus-DeMeo VISNIR Hasegawa 2024AJ....167..224H SPEC