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JPL Small-Body Database Browser
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71079 (1999 XO118)
Classification: Main-belt Asteroid          SPK-ID: 2071079
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1796805092970921 2.9608e-08  
a 2.532688128012019 1.1098e-08 au
q 2.077613435280121 7.4251e-08 au
i 3.890984225493336 4.8303e-06 deg
node 275.8227361254039 8.3703e-05 deg
peri 47.44765563153195 8.6375e-05 deg
M 107.164451210975 2.1582e-05 deg
tp 2458562.252706884337
(2019-Mar-19.75270688)
8.8084e-05 TDB
period 1472.214187996337
4.03
9.6764e-06
2.649e-08
d
yr
n .2445296363363777 1.6072e-09 deg/d
Q 2.987762820743917 1.3092e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1176  
   data-arc span      7918 days (21.68 yr)  
   first obs. used      1998-05-24  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51018  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:20:37  

Additional Information
 Earth MOID = 1.06755 au 
 Jupiter MOID = 2.33568 au 
 T_jup = 3.424 
[ 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 15.2   n/a MPO432264  
diameter diameter 2.013 km 0.321 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.398   0.175 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

71079 (1999 XO118)          Discovered 1999-Dec-05 by CSS at Catalina
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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