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JPL Small-Body Database Browser
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66984 (1999 XY92)
Classification: Main-belt Asteroid          SPK-ID: 2066984
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09968986190858888 4.6777e-08  
a 3.017274161138689 2.1078e-08 au
q 2.71648251667442 1.373e-07 au
i 9.015532392905174 4.2942e-06 deg
node 282.2717529426349 3.0956e-05 deg
peri 63.69835591981152 3.796e-05 deg
M 69.61026291957702 2.1417e-05 deg
tp 2458630.338402596416
(2019-May-26.83840260)
0.00011371 TDB
period 1914.346670680553
5.24
2.006e-05
5.492e-08
d
yr
n .1880537133182986 1.9706e-09 deg/d
Q 3.318065805602958 2.3179e-08 au
  Orbit Determination Parameters
   # obs. used (total)      874  
   data-arc span      9162 days (25.08 yr)  
   first obs. used      1994-12-28  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54327  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 15:07:22  

Additional Information
 Earth MOID = 1.72338 au 
 Jupiter MOID = 2.0624 au 
 T_jup = 3.221 
[ 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 14.5   n/a MPO453066  
diameter diameter 4.431 km 1.702 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.171   0.086 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66984 (1999 XY92)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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