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20138 (1996 QP)
Classification: Main-belt Asteroid          SPK-ID: 2020138
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1409658526502161 3.063e-08  
a 2.255037047632303 6.4216e-09 au
q 1.93715382745499 6.749e-08 au
i 7.055196389891043 3.8609e-06 deg
node 161.905468723099 2.7726e-05 deg
peri 157.3747816754411 3.155e-05 deg
M 71.99641808427306 1.5554e-05 deg
tp 2458953.135519768232
(2020-Apr-13.63551977)
5.3339e-05 TDB
period 1236.883934686868
3.39
5.2833e-06
1.446e-08
d
yr
n .291053986477024 1.2432e-09 deg/d
Q 2.572920267809616 7.3268e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1675  
   data-arc span      15161 days (41.51 yr)  
   first obs. used      1979-07-31  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50609  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:14:01  

Additional Information
 Earth MOID = .924703 au 
 Jupiter MOID = 2.72376 au 
 T_jup = 3.601 
[ 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 15.31   n/a E2021B10  

20138 (1996 QP)          Discovered 1996-Aug-17 by JPL/GEODSS NEAT at Haleakala
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1996 QP = 1979 OK16 = 1999 JA78 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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