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71645 (2000 EX109)
Classification: Main-belt Asteroid          SPK-ID: 2071645
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06332141515584742 3.6257e-08  
a 3.091726267208655 2.0313e-08 au
q 2.895953784694497 1.1647e-07 au
i 9.313582438850917 4.1869e-06 deg
node 223.1839126575224 2.4648e-05 deg
peri 267.38114071 4.2611e-05 deg
M 295.0491397362828 3.4507e-05 deg
tp 2459358.746855685915
(2021-May-24.24685569)
0.00019111 TDB
period 1985.637565434585
5.44
1.9569e-05
5.358e-08
d
yr
n .181301968831965 1.7868e-09 deg/d
Q 3.287498749722813 2.1599e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1066  
   data-arc span      7713 days (21.12 yr)  
   first obs. used      1998-12-22  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53569  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:29:21  

Additional Information
 Earth MOID = 1.93016 au 
 Jupiter MOID = 1.82617 au 
 T_jup = 3.201 
[ 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 14.0   n/a MPO417321  
diameter diameter 5.484 km 0.242 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.194   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71645 (2000 EX109)          Discovered 2000-Mar-08 by NEAT at Haleakala
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 EX109 = 2002 OW1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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