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91373 (1999 JQ98)
Classification: Main-belt Asteroid          SPK-ID: 2091373
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1644803531738575 3.6108e-08  
a 2.669311871838032 1.6719e-08 au
q 2.230262512426942 9.4901e-08 au
i 11.53950974941998 6.6578e-06 deg
node 166.2364740038745 2.0561e-05 deg
peri 113.9530211742679 2.9422e-05 deg
M 266.631265285152 2.2181e-05 deg
tp 2459413.639173745257
(2021-Jul-18.13917375)
9.9978e-05 TDB
period 1592.932612855046
4.36
1.4965e-05
4.097e-08
d
yr
n .2259982607517619 2.1232e-09 deg/d
Q 3.108361231249122 1.9468e-08 au
  Orbit Determination Parameters
   # obs. used (total)      441  
   data-arc span      8095 days (22.16 yr)  
   first obs. used      1998-02-17  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6158  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:40:07  

Additional Information
 Earth MOID = 1.2435 au 
 Jupiter MOID = 2.16045 au 
 T_jup = 3.334 
[ 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 15.8   n/a MPO422269  
diameter diameter 4.307 km 0.167 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.046   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91373 (1999 JQ98)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 JQ98 = 2003 FL105 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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