M.P.E.C. statistics for O49
All MPECsMade with MPECSGET (Version of 2021 Nov 24) at 01-11-2023 15:30:03
Name: Purple Mountain Observatory, Yaoan Station
Code: O49
Longitude: 101.181110°
Cos: 0.903206
Sin: 0.428474
Earth center distance 6365.441931 km;
Latitude (geocentric) 25.379304°
Latitude (geographic) 25.528653°
Data file (text)
Number of MPECs with discoveries (*): 4
Number of MPECs without discoveries: 3
Number of all MPECs: 7
MPEC 2022-A05 : 2022 AA (*)
MPEC 2021-Y79 : 2021 YS (*)
MPEC 2021-V274 : DAILY ORBIT UPDATE (2021 November 12)
MPEC 2020-Q141 : 2020 QK3 (*)
MPEC 2020-K117 : OBSERVATIONS AND ORBITS OF COMETS AND A/ OBJECTS
MPEC 2020-E28 : DAILY ORBIT UPDATE (2020 March 7)
MPEC 2020-D143 : 2020 DM4 (*)
Observed objects
| Nr. | Object | Discovery | Stations | Obs all | Obs O49 | Obs percent | Note |
|---|---|---|---|---|---|---|---|
| 1 | K19X00S | 98 | 1649 | 17 | 1 % | ||
| 2 | K20D04M | * | 46 | 356 | 8 | 2 % | |
| 3 | K20Q03K | * | 6 | 157 | 5 | 3 % | |
| 4 | K21Y00S | * | 23 | 181 | 3 | 2 % | |
| 5 | K22A00A | * | 23 | 121 | 3 | 2 % | |
| 6 | CK19L04M | 1 | 12 | 12 | 100 % | comet | |
| Sum | 6 objects | 2476 | 48 | 2 % | 1 comets |
Stations are all stations in all MPECs, which observed this object. Object is the short name and an asteriks appears for objects, which have been announced in the MPECs as NEO. A discovery by this station is named as Discovery. Obs all are all observations in all MPECs for this object. Obs O49 are all observations in all MPECs for this station. Obs percent is the percentage of stations observation to all observations.
O49 has discovered 0 objects. It has made 48 of all 2476 observations (2 %) at 6 objects in all MPECs with involved station O49. There are 13 of all 287 observations (5 %) at 4 objects in all discovery MPECs with involved station O49.
 All MPECs for station O49 |
 Discovery MPEC for station O49 |
 All observations for station O49 |