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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08506139501597683 3.8126e-08  
a 2.903958814257772 1.5862e-08 au
q 2.656944026448063 1.1128e-07 au
i .9823529105897328 4.3328e-06 deg
node 215.9041890529328 0.00026254 deg
peri 209.4825506272239 0.00026406 deg
M 86.09743495037976 2.8028e-05 deg
tp 2458768.213355678194
(2019-Oct-11.71335568)
0.00013985 TDB
period 1807.524138733516
4.95
1.481e-05
4.055e-08
d
yr
n .1991674646471069 1.6318e-09 deg/d
Q 3.15097360206748 1.7211e-08 au
  Orbit Determination Parameters
   # obs. used (total)      978  
   data-arc span      8224 days (22.52 yr)  
   first obs. used      1998-09-16  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50716  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:02:48  

Additional Information
 Earth MOID = 1.66989 au 
 Jupiter MOID = 2.08865 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 14.84   n/a MPCxxxxx  
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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