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46425 (2002 JP44)
Classification: Main-belt Asteroid          SPK-ID: 2046425
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1476186410453957 8.8943e-08  
a 2.526274309192022 1.3842e-08 au
q 2.1533491287612 2.2631e-07 au
i 13.6259138549121 6.7891e-06 deg
node 227.1507785777235 1.9787e-05 deg
peri 189.7876645505541 2.6687e-05 deg
M 16.50463145440659 1.5003e-05 deg
tp 2459133.260803427903
(2020-Oct-10.76080343)
6.1309e-05 TDB
period 1466.625342881684
4.02
1.2054e-05
3.3e-08
d
yr
n .2454614614068086 2.0174e-09 deg/d
Q 2.899199489622844 1.5886e-08 au
  Orbit Determination Parameters
   # obs. used (total)      922  
   data-arc span      8356 days (22.88 yr)  
   first obs. used      1998-04-21  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52028  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:49:04  

Additional Information
 Earth MOID = 1.16509 au 
 Jupiter MOID = 2.47059 au 
 T_jup = 3.399 
[ 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 14.78   n/a MPCxxxxx  
diameter diameter 3.096 km 0.564 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.320   0.164 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46425 (2002 JP44)          Discovered 2002-May-09 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 JP44 = 1998 HJ68 = 2000 RF11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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