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58295 (1994 JJ9)
Classification: Main-belt Asteroid          SPK-ID: 2058295
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2252254647524699 4.0907e-08  
a 2.711154964703488 1.5079e-08 au
q 2.100533827762179 1.1413e-07 au
i 8.239565645319738 5.6196e-06 deg
node 161.1691084239438 2.8911e-05 deg
peri 67.22867340306104 3.1638e-05 deg
M 215.6507875601295 1.3276e-05 deg
tp 2459254.295395298886
(2021-Feb-08.79539530)
6.3246e-05 TDB
period 1630.534301706994
4.46
1.3603e-05
3.724e-08
d
yr
n .2207865235482128 1.842e-09 deg/d
Q 3.321776101644797 1.8475e-08 au
  Orbit Determination Parameters
   # obs. used (total)      721  
   data-arc span      9305 days (25.48 yr)  
   first obs. used      1994-05-14  
   last obs. used      2019-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55989  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 05:05:17  

Additional Information
 Earth MOID = 1.10786 au 
 Jupiter MOID = 1.71871 au 
 T_jup = 3.311 
[ 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 15.1   n/a MPO365925  
diameter diameter 4.568 km 1.129 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.044   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58295 (1994 JJ9)          Discovered 1994-May-15 by de Saint-Aignan, C. P. at Palomar
Reference: 20030614/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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