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78035 (2002 JU89)
Classification: Main-belt Asteroid          SPK-ID: 2078035
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1543969176214857 5.2649e-08  
a 2.283009164931072 6.9694e-09 au
q 1.930519586964113 1.1927e-07 au
i .35904452580195 4.8216e-06 deg
node 133.2532588564198 0.0007268 deg
peri 202.5941093276206 0.00072689 deg
M 352.0070956909492 1.251e-05 deg
tp 2459028.474479979427
(2020-Jun-27.97447998)
4.3817e-05 TDB
period 1259.969143029774
3.45
5.7695e-06
1.58e-08
d
yr
n .2857212829310478 1.3083e-09 deg/d
Q 2.635498742898032 8.0454e-09 au
  Orbit Determination Parameters
   # obs. used (total)      763  
   data-arc span      8784 days (24.05 yr)  
   first obs. used      1996-10-07  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53977  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:28:29  

Additional Information
 Earth MOID = .920811 au 
 Jupiter MOID = 2.71879 au 
 T_jup = 3.588 
[ 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 16.5   n/a MPO267946  
rotation period rot_per 4.069 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

78035 (2002 JU89)          Discovered 2002-May-11 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 JU89 = 1999 OW4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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