小行星420356

{{Infobox planet
| minorplanet = yes
| name = 420356 Praamžius
| background = #C2E0FF
| image =
| image_size =
| caption =
| discovery_ref =
±3個月
| semimajor = 42.587 AU
| eccentricity = 0.0103
| period = 277.93年 (101,512 d)
| mean_anomaly = 185.10°
| mean_motion = / day
| inclination = 1.1001°
| asc_node = 314.26°
| arg_peri = 358.38°
| satellites = 0
| mean_diameter =