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JPL Small-Body Database Browser
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66948 (1999 XN5)
Classification: Main-belt Asteroid          SPK-ID: 2066948
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08497785713118151 3.9454e-08  
a 2.904204714969109 1.7276e-08 au
q 2.65741162162076 1.1673e-07 au
i .9823115856374224 4.5278e-06 deg
node 215.9165783855869 0.00027515 deg
peri 209.5586936857821 0.00027671 deg
M 46.19166892208449 2.9283e-05 deg
tp 2458768.546772908732
(2019-Oct-12.04677291)
0.00014651 TDB
period 1807.753729221355
4.95
1.613e-05
4.416e-08
d
yr
n .1991421697440287 1.7769e-09 deg/d
Q 3.150997808317458 1.8744e-08 au
  Orbit Determination Parameters
   # obs. used (total)      865  
   data-arc span      7781 days (21.30 yr)  
   first obs. used      1998-09-16  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51915  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 10:53:29  

Additional Information
 Earth MOID = 1.67099 au 
 Jupiter MOID = 2.08831 au 
 T_jup = 3.280 
[ 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 14.8   n/a MPO333376  
diameter diameter 2.930 km 0.668 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.271   0.069 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66948 (1999 XN5)          Discovered 1999-Dec-04 by CSS at Catalina
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XN5 = 2001 BD14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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