Eva
00164, 1876 NA, 1876NA, I76N00AAll 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 |
Proper elements data
| 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
| 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
| 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
| 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
| Value | Uncertainty up | Uncertainty down | Author | Reference | Method |
|---|---|---|---|---|---|
| 0.15 | MPC-2023-12-94 | MPC-2023-12-94 | Phot |
H data
| Value | Uncertainty up | Uncertainty down | Author | Reference | Method |
|---|---|---|---|---|---|
| 8.77 | MPC-2023-12-04 | MPC-2023-12-04 | Phot |
Periods
| 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
| 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 |