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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1413868913412466 4.4382e-08  
a 2.255007447050108 8.9151e-09 au
q 1.936178954160332 1.0258e-07 au
i 7.054210189258168 4.8524e-06 deg
node 161.9369453793525 3.2334e-05 deg
peri 157.5124147047711 3.601e-05 deg
M 257.2438953017125 1.7649e-05 deg
tp 2458953.541312774021
(2020-Apr-14.04131277)
6.1381e-05 TDB
period 1236.8595809643
3.39
7.3348e-06
2.008e-08
d
yr
n .2910597173199977 1.726e-09 deg/d
Q 2.573835939939883 1.0176e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1161  
   data-arc span      14529 days (39.78 yr)  
   first obs. used      1979-07-31  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54152  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:49:20  

Additional Information
 Earth MOID = .924815 au 
 Jupiter MOID = 2.7224 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 15.3   n/a MPO384927  

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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