Catalogue of the Solar System Small Bodies Orbital Evolution
Catalogue of the Solar System Small Bodies Orbital Evolution
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Asteroid General Data
2021 PC
9
General information
Preliminary designation
2021 PC
9
Group
Apollo
Absolute magnitude
21.16
Approximate diameter (m)
160
Approximate mass (kg)
6.92·10
9
Number of observations
56
Arc length (days)
1826
Approaches
No approaches found
Orbit initial data
Date of initial data
06/09/2026
M
– mean anomaly (degrees)
2.931640
a
– orbit major semiaxis (astronomical units)
1.84725500
e
– orbit eccentricity
0.66716900
ω
– orbit ascending node-perihelion angle (degrees)
267.882440
Ω
– longitude of orbit ascending node (degrees)
315.364710
i
– orbit inclination to the ecliptic plane (degrees)
11.302500
Details...
Orbital evolution
Date
M
a
e
ω
Ω
i
q
P
01/13/1829
148.704202
1.84652249
0.66837716
259.898118
322.791718
11.402252
0.61234903
2.509184
01/21/1858
349.260405
1.84667576
0.66808464
261.144839
321.642874
11.367800
0.61294004
2.509496
01/29/1887
192.736587
1.84758850
0.66753474
262.450074
320.430732
11.365207
0.61425898
2.511357
02/07/1916
32.452767
1.84786049
0.66808404
263.105182
319.737324
11.349911
0.61333439
2.511912
02/14/1945
229.224044
1.84973431
0.66778598
264.500248
318.467485
11.333769
0.61450767
2.515734
02/22/1974
62.362259
1.84993920
0.66786632
265.866513
317.270215
11.313998
0.61442711
2.516152
03/02/2003
264.390346
1.84580365
0.66833975
267.195487
316.053243
11.306469
0.61217971
2.507719
03/09/2032
107.806180
1.84601657
0.66729548
267.967711
315.279234
11.301623
0.61417805
2.508153
03/17/2061
309.863999
1.84903481
0.66719355
269.536078
313.883527
11.300684
0.61537071
2.514307
03/25/2090
149.449127
1.84660360
0.66874172
270.533659
312.960234
11.298146
0.61170273
2.509349
04/03/2119
354.636132
1.84559530
0.66832397
271.737821
311.837267
11.292215
0.61213972
2.507294
04/10/2148
200.715845
1.84642072
0.66740333
272.999989
310.659986
11.298317
0.61411338
2.508977
04/18/2177
48.434838
1.84375173
0.66791330
273.686201
309.911352
11.305643
0.61228543
2.503538
Detailed table...
Graphs...
3D animation...
Calculation on the date...
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This project was supported by the Federal Agency of Education (project codes RNP 2.1.1.1689, RNP 2.1.1.745).
Samara State Technical University
Applied Mathematics and Information Science Department