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71162 (1999 XX197)
Classification: Main-belt Asteroid          SPK-ID: 2071162
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 .08496597900409956 4.1887e-08  
a 3.073238804768331 2.3094e-08 au
q 2.8121180610078 1.331e-07 au
i 12.07898011569182 5.1486e-06 deg
node 51.08395236260122 2.6821e-05 deg
peri 31.69247215525275 4.4737e-05 deg
M 296.9310928773076 3.6115e-05 deg
tp 2459345.251126498897
(2021-May-10.75112650)
0.00019844 TDB
period 1967.854069488824
5.39
2.2181e-05
6.073e-08
d
yr
n .1829403946063514 2.062e-09 deg/d
Q 3.334359548528861 2.5056e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1073  
   data-arc span      7978 days (21.84 yr)  
   first obs. used      1998-09-27  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51589  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 06:32:18  

Additional Information
 Earth MOID = 1.83471 au 
 Jupiter MOID = 1.99854 au 
 T_jup = 3.191 
[ 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 13.6   n/a MPO395650  
diameter diameter 6.035 km 0.335 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.212   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71162 (1999 XX197)          Discovered 1999-Dec-12 by LINEAR at Socorro
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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