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97625 (2000 EC121)
Classification: Main-belt Asteroid          SPK-ID: 2097625
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0322775953334032 4.822e-08  
a 2.796426248370369 2.1852e-08 au
q 2.706164333545763 1.4008e-07 au
i 4.410767999790349 5.5717e-06 deg
node 65.06106069608136 6.4547e-05 deg
peri 188.6527156712075 0.00010728 deg
M 22.7257580562005 8.3105e-05 deg
tp 2458892.675026576778
(2020-Feb-13.17502658)
0.00039459 TDB
period 1708.061413677206
4.68
2.0021e-05
5.481e-08
d
yr
n .2107652553458091 2.4705e-09 deg/d
Q 2.886688163194974 2.2558e-08 au
  Orbit Determination Parameters
   # obs. used (total)      610  
   data-arc span      21403 days (58.60 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57669  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:17:40  

Additional Information
 Earth MOID = 1.69157 au 
 Jupiter MOID = 2.1062 au 
 T_jup = 3.322 
[ 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 15.3   n/a MPO432508  
diameter diameter 2.820 km 0.424 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.168   0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

97625 (2000 EC121)          Discovered 2000-Mar-11 by LONEOS at Anderson Mesa
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

[ show close-approach data ]
Alternate Designations
 2000 EC121 = 1998 WV6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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