| Discovery | |
|---|---|
| Discovered by | H. Thiele |
| Discovery site | Bergedorf |
| Discovery date | 30 September 1916 |
| Designations | |
| MPC designation | 843 |
| 1916 AN | |
| Orbital characteristics | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 98.61 yr (36018 d) |
| Aphelion | 2.7576 AU (412.53 Gm) |
| Perihelion | 1.8007 AU (269.38 Gm) |
| 2.2792 AU (340.96 Gm) | |
| Eccentricity | 0.20993 |
| 3.44 yr (1256.8 d) | |
| 31.275° | |
| 0° 17m 11.22s / day | |
| Inclination | 8.0014° |
| 4.0938° | |
| 317.16° | |
| Earth MOID | 0.79774 AU (119.340 Gm) |
| Jupiter MOID | 2.58485 AU (386.688 Gm) |
| Jupiter Tisserand parameter | 3.565 |
| Physical characteristics | |
| 13.8 | |
843 Nicolaia is an asteroid of the main-belt discovered by H. Thiele on 30 September 1916. It was a lost asteroid for 65 years before being rediscovered by Astronomisches Rechen-Institut at Heidelberg in 1981.