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JPL Small-Body Database Browser
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91333 (1999 JP2)
Classification: Main-belt Asteroid          SPK-ID: 2091333
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1672347611528716 3.6726e-08  
a 2.337794618189018 8.6891e-09 au
q 1.946834093591709 8.6743e-08 au
i 5.215258293067538 4.5139e-06 deg
node 103.2330616855318 5.0073e-05 deg
peri 26.16935789922678 5.2262e-05 deg
M 24.07496910634875 1.4391e-05 deg
tp 2458913.188550870404
(2020-Mar-04.68855087)
5.2087e-05 TDB
period 1305.593438056197
3.57
7.2789e-06
1.993e-08
d
yr
n .275736679969821 1.5373e-09 deg/d
Q 2.728755142786327 1.0142e-08 au
  Orbit Determination Parameters
   # obs. used (total)      947  
   data-arc span      10760 days (29.46 yr)  
   first obs. used      1990-11-10  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52324  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:39:43  

Additional Information
 Earth MOID = .963434 au 
 Jupiter MOID = 2.3262 au 
 T_jup = 3.542 
[ 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 15.7   n/a MPO453353  
diameter diameter 3.626 km 0.150 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.077   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91333 (1999 JP2)          Discovered 1999-May-08 by CSS at Catalina
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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