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70081 (1999 JX61)
Classification: Main-belt Asteroid          SPK-ID: 2070081
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1943874426495693 4.4569e-08  
a 2.223744806273817 8.1738e-09 au
q 1.791476740276988 9.9828e-08 au
i 6.409832893510004 3.8582e-06 deg
node 264.8282063643426 4.3117e-05 deg
peri 55.33611914539618 4.4475e-05 deg
M 68.75822280684724 1.2098e-05 deg
tp 2458769.161460625893
(2019-Oct-12.66146063)
4.0366e-05 TDB
period 1211.227847011559
3.32
6.6781e-06
1.828e-08
d
yr
n .2972190582376565 1.6387e-09 deg/d
Q 2.656012872270647 9.7627e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1093  
   data-arc span      7861 days (21.52 yr)  
   first obs. used      1999-05-10  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52124  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:54:16  

Additional Information
 Earth MOID = .787532 au 
 Jupiter MOID = 2.65559 au 
 T_jup = 3.614 
[ 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 15.2   n/a MPO439537  

70081 (1999 JX61)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JX61 = 1999 LK17 = 2000 YE94 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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