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71655 (2000 EF121)
Classification: Main-belt Asteroid          SPK-ID: 2071655
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1664751073156584 5.532e-08  
a 3.139437757636592 2.2875e-08 au
q 2.61679952002321 1.7413e-07 au
i 10.34558067143274 6.8907e-06 deg
node 10.15492729953948 2.5303e-05 deg
peri 205.7551303997201 3.0251e-05 deg
M 107.6964660338316 1.5926e-05 deg
tp 2457992.679708628953
(2017-Aug-27.17970863)
8.9173e-05 TDB
period 2031.777949193233
5.56
2.2206e-05
6.08e-08
d
yr
n .1771847165399875 1.9365e-09 deg/d
Q 3.662075995249973 2.6683e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1222  
   data-arc span      7616 days (20.85 yr)  
   first obs. used      1997-10-30  
   last obs. used      2018-09-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51113  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 02:16:54  

Additional Information
 Earth MOID = 1.61551 au 
 Jupiter MOID = 1.34156 au 
 T_jup = 3.164 
[ 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 13.4   n/a MPO395655  
diameter diameter 13.335 km 0.152 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71655 (2000 EF121)          Discovered 2000-Mar-11 by LONEOS at Anderson Mesa
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 EF121 = 2000 JV1 = 2002 QZ35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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