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102900 (1999 XX12)
Classification: Main-belt Asteroid          SPK-ID: 2102900
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1079722996321969 3.7618e-08  
a 2.723579460385775 1.6005e-08 au
q 2.429508322816905 9.9337e-08 au
i 12.71605423321726 3.9926e-06 deg
node 217.133907156571 1.7408e-05 deg
peri 286.1392170014554 2.6444e-05 deg
M 188.9768398918701 2.1913e-05 deg
tp 2459980.439522972405
(2023-Feb-04.93952297)
0.00010264 TDB
period 1641.755584989443
4.49
1.4472e-05
3.962e-08
d
yr
n .219277463278625 1.9329e-09 deg/d
Q 3.017650597954646 1.7734e-08 au
  Orbit Determination Parameters
   # obs. used (total)      815  
   data-arc span      7667 days (20.99 yr)  
   first obs. used      1999-11-04  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54175  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:51:58  

Additional Information
 Earth MOID = 1.47594 au 
 Jupiter MOID = 2.09646 au 
 T_jup = 3.314 
[ 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 14.95   n/a E2021B55  
diameter diameter 4.004 km 0.324 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.159   0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

102900 (1999 XX12)          Discovered 1999-Dec-05 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 XX12 = 2001 FA134 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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