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249552 (2010 JQ84)
Classification: Main-belt Asteroid          SPK-ID: 2249552
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09026632257576772 6.631e-08  
a 2.644768621488073 3.8738e-08 au
q 2.406035083962561 1.9528e-07 au
i 6.26232365529211 8.6058e-06 deg
node 92.90680037048863 8.6663e-05 deg
peri 145.0488125828822 0.00010826 deg
M 12.92828053352266 6.6714e-05 deg
tp 2458544.081930832969
(2019-Mar-01.58193083)
0.00029094 TDB
period 1571.013627641104
4.30
3.4516e-05
9.45e-08
d
yr
n .2291514177000135 5.0345e-09 deg/d
Q 2.883502159013583 4.2234e-08 au
  Orbit Determination Parameters
   # obs. used (total)      129  
   data-arc span      6667 days (18.25 yr)  
   first obs. used      1999-12-16  
   last obs. used      2018-03-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58432  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 09:56:43  

Additional Information
 Earth MOID = 1.39645 au 
 Jupiter MOID = 2.12579 au 
 T_jup = 3.379 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.7   n/a MPO437159  
diameter diameter 3.013 km 0.374 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.037   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249552 (2010 JQ84)          Discovered 2010-May-05 by CSS at Catalina
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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