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70073 (1999 JN54)
Classification: Main-belt Asteroid          SPK-ID: 2070073
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2111779603113032 3.0195e-08  
a 2.336323056775897 1.0005e-08 au
q 1.842943119017694 7.289e-08 au
i 4.79864253148557 4.2785e-06 deg
node 21.9519559333033 4.314e-05 deg
peri 241.1263241931603 4.5172e-05 deg
M 358.8777976191059 1.7645e-05 deg
tp 2459204.565991387135
(2020-Dec-21.06599139)
6.3953e-05 TDB
period 1304.360892731606
3.57
8.379e-06
2.294e-08
d
yr
n .2759972351256899 1.773e-09 deg/d
Q 2.829702994534099 1.2118e-08 au
  Orbit Determination Parameters
   # obs. used (total)      895  
   data-arc span      8650 days (23.68 yr)  
   first obs. used      1996-09-14  
   last obs. used      2020-05-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52502  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:47:11  

Additional Information
 Earth MOID = .831722 au 
 Jupiter MOID = 2.264 au 
 T_jup = 3.532 
[ 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 15.56   n/a E2021B10  
diameter diameter 2.814 km 0.133 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.185   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70073 (1999 JN54)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20031109/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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