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66997 (1999 XR113)
Classification: Main-belt Asteroid          SPK-ID: 2066997
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1802196286150186 5.5754e-08  
a 2.575235749056264 1.3828e-08 au
q 2.111127718765225 1.4977e-07 au
i 13.19137055647893 5.6316e-06 deg
node 347.06499887 1.5409e-05 deg
peri 331.5869249879084 1.909e-05 deg
M 58.9001592355268 1.022e-05 deg
tp 2458753.533592792900
(2019-Sep-27.03359279)
4.2578e-05 TDB
period 1509.468017548744
4.13
1.2158e-05
3.329e-08
d
yr
n .238494619173589 1.9209e-09 deg/d
Q 3.039343779347303 1.632e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1438  
   data-arc span      15624 days (42.78 yr)  
   first obs. used      1977-02-25  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51578  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:05:52  

Additional Information
 Earth MOID = 1.10838 au 
 Jupiter MOID = 2.33739 au 
 T_jup = 3.368 
[ 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 13.9   n/a MPO347958  
diameter diameter 4.838 km 0.265 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.250   0.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66997 (1999 XR113)          Discovered 1999-Dec-11 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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