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18502 (1996 PK1)
Classification: Main-belt Asteroid          SPK-ID: 2018502
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1928618235514768 4.1913e-08  
a 2.445543438225663 8.1239e-09 au
q 1.973891471155114 1.0317e-07 au
i 3.164189856324355 5.2661e-06 deg
node 143.7263545271577 5.6402e-05 deg
peri 222.4012604185679 5.7599e-05 deg
M 108.0903291942709 1.0276e-05 deg
tp 2458781.083185442133
(2019-Oct-24.58318544)
3.9604e-05 TDB
period 1396.887717581629
3.82
6.9606e-06
1.906e-08
d
yr
n .257715774481325 1.2842e-09 deg/d
Q 2.917195405296213 9.6907e-09 au
  Orbit Determination Parameters
   # obs. used (total)      659  
   data-arc span      9930 days (27.19 yr)  
   first obs. used      1994-01-10  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50511  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:44:16  

Additional Information
 Earth MOID = .971988 au 
 Jupiter MOID = 2.54378 au 
 T_jup = 3.471 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.22   n/a MPCxxxxx  

18502 (1996 PK1)          Discovered 1996-Aug-11 by Viscome, G. R. at Rand
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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