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JPL Small-Body Database Browser
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66960 (1999 XN36)
Classification: Main-belt Asteroid          SPK-ID: 2066960
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2186527274964428 4.5463e-08  
a 2.563675469222894 1.0324e-08 au
q 2.003120835461585 1.1973e-07 au
i 14.05700047396282 4.6648e-06 deg
node 18.52044404176728 1.493e-05 deg
peri 304.5829414568932 1.7035e-05 deg
M 64.70135436147137 7.7138e-06 deg
tp 2458731.034065895493
(2019-Sep-04.53406590)
3.1931e-05 TDB
period 1499.315388912308
4.10
9.0569e-06
2.48e-08
d
yr
n .2401095877907084 1.4504e-09 deg/d
Q 3.124230102984202 1.2582e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1900  
   data-arc span      7399 days (20.26 yr)  
   first obs. used      1999-10-05  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50722  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 10:53:30  

Additional Information
 Earth MOID = 1.02863 au 
 Jupiter MOID = 2.36726 au 
 T_jup = 3.359 
[ 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 MPO502576  
diameter diameter 4.828 km 0.206 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.251   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66960 (1999 XN36)          Discovered 1999-Dec-07 by Juels, C. W. at Fountain Hills
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XN36 = 2001 AO38 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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