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312703 (2010 PT2)
Classification: Main-belt Asteroid          SPK-ID: 2312703
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1322036339232274 1.3159e-07  
a 3.149389740073067 6.6493e-08 au
q 2.73302897179488 3.9967e-07 au
i 23.28575517232704 1.4706e-05 deg
node 328.8509465697591 2.0358e-05 deg
peri 176.6391231729126 3.7089e-05 deg
M 164.3073160026637 3.2247e-05 deg
tp 2458068.764935144151
(2017-Nov-11.26493514)
0.00017247 TDB
period 2041.446671447472
5.59
6.4652e-05
1.77e-07
d
yr
n .1763455323301415 5.5848e-09 deg/d
Q 3.565750508351255 7.5284e-08 au
  Orbit Determination Parameters
   # obs. used (total)      194  
   data-arc span      6323 days (17.31 yr)  
   first obs. used      2001-01-21  
   last obs. used      2018-05-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48981  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 18:47:38  

Additional Information
 Earth MOID = 1.74512 au 
 Jupiter MOID = 1.45585 au 
 T_jup = 3.069 
[ 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 15.1   n/a MPO440462  
diameter diameter 4.456 km 0.900 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.089   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

312703 (2010 PT2)          Discovered 2001-Jan-21 by LINEAR at Socorro
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Alternate Designations
 2010 PT2 = 2005 XQ84 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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