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91344 (1999 JQ30)
Classification: Main-belt Asteroid          SPK-ID: 2091344
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1641074290697319 6.8567e-08  
a 2.54824101619603 1.3991e-08 au
q 2.130055734378058 1.803e-07 au
i 3.599627682600786 5.4989e-06 deg
node 304.4147514000264 8.9798e-05 deg
peri 256.4601066948768 9.1179e-05 deg
M 83.39795367538483 1.6203e-05 deg
tp 2458656.299043129258
(2019-Jun-21.79904313)
6.5604e-05 TDB
period 1485.79598194674
4.07
1.2237e-05
3.35e-08
d
yr
n .2422943690615692 1.9955e-09 deg/d
Q 2.966426298014002 1.6288e-08 au
  Orbit Determination Parameters
   # obs. used (total)      503  
   data-arc span      7296 days (19.98 yr)  
   first obs. used      1999-05-10  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57578  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:29:01  

Additional Information
 Earth MOID = 1.1309 au 
 Jupiter MOID = 2.01509 au 
 T_jup = 3.420 
[ 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 16.2   n/a MPO432451  

91344 (1999 JQ30)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 JQ30 = 2001 XN246 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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