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129496 (1995 EK)
Classification: Main-belt Asteroid          SPK-ID: 2129496
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .162913961958287 3.6456e-08  
a 2.326812269561947 8.5349e-09 au
q 1.947742063994456 8.3165e-08 au
i 8.430053680584367 6.0896e-06 deg
node 11.75577314367082 2.4964e-05 deg
peri 105.2559789444542 3.1769e-05 deg
M 76.28187837382423 1.9008e-05 deg
tp 2458725.799580553579
(2019-Aug-30.29958055)
6.7857e-05 TDB
period 1296.404245790647
3.55
7.133e-06
1.953e-08
d
yr
n .2776911608928312 1.5279e-09 deg/d
Q 2.705882475129437 9.9254e-09 au
  Orbit Determination Parameters
   # obs. used (total)      753  
   data-arc span      9196 days (25.18 yr)  
   first obs. used      1995-02-22  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51966  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 21:44:49  

Additional Information
 Earth MOID = .983293 au 
 Jupiter MOID = 2.40494 au 
 T_jup = 3.542 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO459609  
diameter diameter 3.277 km 0.373 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.104   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

129496 (1995 EK)          Discovered 1995-Mar-05 by Kobayashi, T. at Oizumi
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

Alternate Designations
 1995 EK = 2001 XC68 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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