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70997 (1999 XE36)
Classification: Main-belt Asteroid          SPK-ID: 2070997
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2171640775810836 3.2457e-08  
a 2.856557076653407 1.5373e-08 au
q 2.236215494044253 9.0723e-08 au
i 4.07201462439187 6.6671e-06 deg
node 219.1721468808986 5.9946e-05 deg
peri 258.7010273751889 6.3156e-05 deg
M 71.12265662002842 1.7831e-05 deg
tp 2458652.107934499846
(2019-Jun-17.60793450)
8.6172e-05 TDB
period 1763.448520351481
4.83
1.4235e-05
3.897e-08
d
yr
n .2041454546845784 1.6479e-09 deg/d
Q 3.476898659262561 1.8711e-08 au
  Orbit Determination Parameters
   # obs. used (total)      841  
   data-arc span      10601 days (29.02 yr)  
   first obs. used      1991-04-19  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50542  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 13:42:31  

Additional Information
 Earth MOID = 1.25668 au 
 Jupiter MOID = 1.66187 au 
 T_jup = 3.264 
[ 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 14.9   n/a MPO468651  
diameter diameter 6.242 km 0.116 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.066   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70997 (1999 XE36)          Discovered 1999-Dec-06 by Kobayashi, T. at Oizumi
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XE36 = 1991 HD3 = 1996 HX13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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