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70964 (1999 XK12)
Classification: Main-belt Asteroid          SPK-ID: 2070964
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1963870358711689 4.2638e-08  
a 2.573555426272427 1.3046e-08 au
q 2.068142504456623 1.1271e-07 au
i 13.43337368040962 3.4419e-06 deg
node 112.7636834162632 1.9587e-05 deg
peri 262.7077769559921 2.1254e-05 deg
M 44.57369552413568 8.2307e-06 deg
tp 2458813.786870904893
(2019-Nov-26.28687090)
3.4312e-05 TDB
period 1507.990883049896
4.13
1.1467e-05
3.139e-08
d
yr
n .2387282337356733 1.8153e-09 deg/d
Q 3.078968348088232 1.5608e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1294  
   data-arc span      8805 days (24.11 yr)  
   first obs. used      1995-12-19  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51635  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:18:13  

Additional Information
 Earth MOID = 1.11871 au 
 Jupiter MOID = 2.5293 au 
 T_jup = 3.363 
[ 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 14.5   n/a MPO502591  
diameter diameter 3.411 km 1.224 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.381   0.144 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70964 (1999 XK12)          Discovered 1999-Dec-05 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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