Roehla
01557, 1903 SB, 1903SB, 1930 YS, 1930YS, 1942 AD, 1942AD, 1950 RF1, 1950RF1, J03S00B, J30Y00S, J42A00D, J50R01FAll data for this body: [vot]
MPC data
| Name (number) | Roehla (1557) |
|---|---|
| a | 3.01219 |
| e | 0.10768 |
| i / sin(i) | 10.2911 / 0.17865 |
| q | 2.68783 |
| Q | 3.33654 |
| ω | 4.0405 |
| Node | 355.0009 |
| m | 95.2758 |
| n | 0.1885 |
| Epoch | 2460800.5 |
| nobs | 5646 |
|---|---|
| nopp | 43 |
| Years observed | 1903-2025 |
| rms | 0.62 |
Family data
| Parent | Parent name | Family ID | Family name | Cj | Author | Reference | Method |
|---|---|---|---|---|---|---|---|
| 221 | Eos | 0 | Eos | Novakovic | 2019EPSC...13.1671N | HCM | |
| 221 | Eos | 606 | Eos | -0.5800 | Nesvorny | doi.org/10.26033/6cg5-pt13 | HCM-2020-08-14 |
Proper elements data
| ap | ep | sin(ip) | Author | Reference | Method |
|---|---|---|---|---|---|
| 3.0101 | 0.0763 | 0.1820 | Novakovic_Radovic_Todovic | 2003A&A...403.1165K | Numeric-Nov-2024 |
Diameter data
| Value | Uncertainty up | Uncertainty down | Author | Reference | Method |
|---|---|---|---|---|---|
| 18.04 | 3.610 | 3.610 | Ali-Lagoa | 2018A&A...612A..85A | NEATM |
| 18.77 | 0.279 | 0.279 | Masiero | 2011ApJ...741...68M | NEATM |
| 19.64 | 0.860 | 0.860 | Usui | 2011PASJ...63.1117U | NEATM |
| 20.55 | 4.110 | 4.110 | Ali-Lagoa | 2018A&A...612A..85A | NEATM |
Albedo data
| Value | Uncertainty up | Uncertainty down | Author | Reference | Method |
|---|---|---|---|---|---|
| 0.131 | 0.0520 | 0.0520 | Ali-Lagoa | 2018A&A...612A..85A | NEATM |
| 0.151 | 0.0372 | 0.0372 | Masiero | 2011ApJ...741...68M | NEATM |
| 0.170 | 0.0680 | 0.0680 | Ali-Lagoa | 2018A&A...612A..85A | NEATM |
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 |
|---|---|---|---|---|---|
| 11.46 | MPC-2023-12-04 | MPC-2023-12-04 | Phot |
Periods
| Value | Quality | Side real or Synodic | Author | Reference | Method |
|---|---|---|---|---|---|
| 5.67899 | 2 | Sidereal | Durech | 2016A&A...587A..48D | Model |
| 5.678999 | 2 | Sidereal | Hanus | LCDB | Model |
| 5.679 | 2 | Sidereal | Hanus | 2018Icar..299...84H | Model |
| 5.67902 | 2 | Sidereal | Martikainen | 2021A&A...649A..98M | Model |
| 5.67905 | 2 | Sidereal | Durech | 2023A&A...675A..24D | Model |
Spectral Class Data
| Class 1 | Class 2 | Probability of Class 1 | Probability of Class 2 | Taxonomy | Wavelength | Author | Reference | Method |
|---|---|---|---|---|---|---|---|---|
| K | S | 0.5664 | 0.3680 | Bus-Demeo | VIS | Sergeyev | 2021A&A...652A..59S | PHOT |
| L | 0.95 | Bus | VIS | Carvano | 2010A&A...510A..43C | PHOT | ||
| S | 0.853 | Bus-Demeo | VIS | Sergeyev | 2022A&A...658A.109S | PHOT | ||
| S | S | 0.9865 | 0.3680 | Bus-Demeo | VIS | Sergeyev | 2021A&A...652A..59S | PHOT |
| X | DeMeo-Carry | VIS | DeMeo | 2013Icar..226..723D | PHOT | |||
| X | S | 0.7264 | 0.3680 | Bus-Demeo | VIS | Sergeyev | 2021A&A...652A..59S | PHOT |