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46420 (2002 JH23)
Classification: Main-belt Asteroid          SPK-ID: 2046420
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 .2672381472600454 5.4234e-08  
a 2.56316766252702 1.1753e-08 au
q 1.878191485276438 1.4229e-07 au
i 16.23908518368567 4.8504e-06 deg
node 217.106374609733 1.5837e-05 deg
peri 110.0892136671915 2.0679e-05 deg
M 118.206299898366 8.3979e-06 deg
tp 2458708.344806640941
(2019-Aug-12.84480664)
3.6185e-05 TDB
period 1498.869939771376
4.10
1.0309e-05
2.822e-08
d
yr
n .2401809459564657 1.6519e-09 deg/d
Q 3.248143839777602 1.4894e-08 au
  Orbit Determination Parameters
   # obs. used (total)      946  
   data-arc span      9690 days (26.53 yr)  
   first obs. used      1994-06-11  
   last obs. used      2020-12-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52767  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:49:03  

Additional Information
 Earth MOID = .936017 au 
 Jupiter MOID = 2.4334 au 
 T_jup = 3.329 
[ 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 15.53   n/a E2021B10  
diameter diameter 2.888 km 0.588 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.176   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46420 (2002 JH23)          Discovered 2002-May-08 by LINEAR at Socorro
Reference: 20020822/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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