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71670 (2000 EP157)
Classification: Main-belt Asteroid          SPK-ID: 2071670
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2052258329913032 4.1758e-08  
a 2.644421541434155 1.2022e-08 au
q 2.101717927813184 1.0986e-07 au
i 13.19301845573021 6.8768e-06 deg
node 324.8301631604822 1.5508e-05 deg
peri 138.1789632283078 2.2414e-05 deg
M 309.3649375983705 1.6887e-05 deg
tp 2459221.424207124459
(2021-Jan-06.92420712)
7.4445e-05 TDB
period 1570.704385312376
4.30
1.0711e-05
2.933e-08
d
yr
n .2291965333301113 1.5629e-09 deg/d
Q 3.187125155055125 1.4489e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1071  
   data-arc span      15302 days (41.89 yr)  
   first obs. used      1977-12-08  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51155  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 08:30:49  

Additional Information
 Earth MOID = 1.13668 au 
 Jupiter MOID = 1.98621 au 
 T_jup = 3.326 
[ 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 14.5   n/a MPO493368  

71670 (2000 EP157)          Discovered 2000-Mar-12 by LONEOS at Anderson Mesa
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 EP157 = 1977 XK 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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