| Name | |
|---|---|
| Name | Hilaritas |
| Designation | 1923 NM |
| Discovery | |
| Discoverer | J. Palisa |
| Discovery date | March 21, 1923 |
| Discovery site | Vienna |
| Orbital elements | |
| Epoch August 18, 2005 (JDCT 2453600.5) | |
| Eccentricity (e) | 0.139 |
| Semimajor axis (a) | 3.091 AU |
| Perihelion (q) | 2.661 AU |
| Aphelion (Q) | 3.520 AU |
| Orbital period (P) | 5.434 a |
| Inclination (i) | 0.661° |
| Longitude of the ascending node (Ω) | 347.573° |
| Argument of Perihelion (ω) | 148.846° |
| Mean anomaly (M) | 85.910° |
996 Hilaritas is a Themistian asteroid.
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