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78053 (2002 JB139)
Classification: Main-belt Asteroid          SPK-ID: 2078053
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2497117752834307 3.8812e-08  
a 2.708772144206892 1.3891e-08 au
q 2.032359843238684 1.1112e-07 au
i 8.403087743099071 5.6944e-06 deg
node 227.9021130439776 2.7677e-05 deg
peri 102.0286693283397 3.0755e-05 deg
M 308.5257209278681 1.1189e-05 deg
tp 2459233.333202091975
(2021-Jan-18.83320209)
5.1062e-05 TDB
period 1628.385171468891
4.46
1.2526e-05
3.429e-08
d
yr
n .2210779159056457 1.7006e-09 deg/d
Q 3.385184445175101 1.7359e-08 au
  Orbit Determination Parameters
   # obs. used (total)      483  
   data-arc span      9416 days (25.78 yr)  
   first obs. used      1994-11-29  
   last obs. used      2020-09-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58367  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:28:26  

Additional Information
 Earth MOID = 1.04207 au 
 Jupiter MOID = 2.09469 au 
 T_jup = 3.303 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO432331  

78053 (2002 JB139)          Discovered 2002-May-09 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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