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JPL Small-Body Database Browser
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71046 (1999 XC85)
Classification: Main-belt Asteroid          SPK-ID: 2071046
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03842548384261947 4.2362e-08  
a 3.081643564330625 2.3896e-08 au
q 2.963229919340726 1.3007e-07 au
i 12.75793283201802 4.631e-06 deg
node 112.6565690372194 2.2377e-05 deg
peri 3.499983863823252 7.283e-05 deg
M 264.615641428918 7.1043e-05 deg
tp 2459524.036176762311
(2021-Nov-05.53617676)
0.00039265 TDB
period 1975.932180683258
5.41
2.2983e-05
6.292e-08
d
yr
n .1821924879403075 2.1192e-09 deg/d
Q 3.200057209320524 2.4815e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1029  
   data-arc span      10854 days (29.72 yr)  
   first obs. used      1990-04-29  
   last obs. used      2020-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53903  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:19:58  

Additional Information
 Earth MOID = 1.97972 au 
 Jupiter MOID = 1.89061 au 
 T_jup = 3.189 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.7   n/a MPO502591  
diameter diameter 5.567 km 0.407 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.299   0.121 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71046 (1999 XC85)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XC85 = 1990 HS1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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