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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03807848315566453 4.3043e-08  
a 3.082151002872334 2.4408e-08 au
q 2.964787367826246 1.3138e-07 au
i 12.75723136048603 4.702e-06 deg
node 112.6557289785982 2.2941e-05 deg
peri 3.68213559930606 7.4771e-05 deg
M 191.5284046829281 7.2291e-05 deg
tp 2459525.418535191488
(2021-Nov-06.91853519)
0.00040121 TDB
period 1976.420250798174
5.41
2.3477e-05
6.428e-08
d
yr
n .1821474961383413 2.1637e-09 deg/d
Q 3.199514637918423 2.5337e-08 au
  Orbit Determination Parameters
   # obs. used (total)      989  
   data-arc span      10719 days (29.35 yr)  
   first obs. used      1990-04-29  
   last obs. used      2019-09-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54062  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:39:34  

Additional Information
 Earth MOID = 1.98156 au 
 Jupiter MOID = 1.89228 au 
 T_jup = 3.188 
[ 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 13.8   n/a MPO453115  
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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