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102920 (1999 XC27)
Classification: Main-belt Asteroid          SPK-ID: 2102920
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1550643830038351 3.8386e-08  
a 2.395175845027945 1.1129e-08 au
q 2.023769380432997 9.4897e-08 au
i 3.92709135809963 3.8018e-06 deg
node 82.83239380404643 6.1455e-05 deg
peri 282.2408845669837 6.3049e-05 deg
M 282.3999317031493 1.709e-05 deg
tp 2459492.352981578271
(2021-Oct-04.85298158)		 6.5635e-05 TDB
period 1353.955939397562
3.71		 9.4368e-06
2.584e-08		 d
yr
n .2658875296637649 1.8532e-09 deg/d
Q 2.766582309622893 1.2855e-08 au
   Orbit Determination Parameters
   # obs. used (total)      945  
   data-arc span      9060 days (24.80 yr)  
   first obs. used      1995-08-30  
   last obs. used      2020-06-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50467  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:51:50  

Additional Information
 Earth MOID = 1.02481 au 
 Jupiter MOID = 2.6972 au 
 T_jup = 3.510 
[ 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 15.55   n/a E2021B55  
diameter diameter 4.407 km 1.493 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.063   0.063 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

102920 (1999 XC27)          Discovered 1999-Dec-06 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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