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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 ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457254.5 (2015-Aug-20.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2488759666888669 3.8864e-08  
q 2.034335546692178 1.1117e-07 au
tp 2457606.457024868883
(2016-Aug-05.95702487)		 4.9645e-05 TDB
node 227.9096556987859 2.7667e-05 deg
peri 102.2594076461472 3.0772e-05 deg
i 8.403760803338505 5.6949e-06 deg
   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
 Jupiter MOID = 2.09469 au 
 T_jup = 3.303 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.510426717650943E-15 -4.306707762537558E-15 9.408205185767397E-14 -2.020508778207266E-15 8.700015635840074E-14 -7.794993179550852E-15
q -4.306707762537558E-15 1.235845113962752E-14 -2.521378604215087E-13 4.212883819487381E-15 -2.476547291866388E-13 2.372856439412755E-14
tp 9.408205185767397E-14 -2.521378604215087E-13 2.464608786790741E-9 -3.046111069095865E-11 6.770488529106058E-10 2.543343702572914E-12
node -2.020508778207266E-15 4.212883819487381E-15 -3.046111069095865E-11 7.654810097554857E-10 -7.644373392513782E-10 3.290935956011333E-11
peri 8.700015635840074E-14 -2.476547291866388E-13 6.770488529106058E-10 -7.644373392513782E-10 9.468899541280438E-10 -3.215716180534673E-11
i -7.794993179550852E-15 2.372856439412755E-14 2.543343702572914E-12 3.290935956011333E-11 -3.215716180534673E-11 3.243207716786619E-11

[ 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 15.88   n/a E2020-QM9  

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

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