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JPL Small-Body Database Browser
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71658 (2000 EQ122)
Classification: Main-belt Asteroid          SPK-ID: 2071658
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 .1354605860027935 4.1628e-08  
a 3.101998397102363 2.5714e-08 au
q 2.68179987645115 1.345e-07 au
i 14.02932735485498 5.3878e-06 deg
node 169.8906896715766 1.6799e-05 deg
peri 248.5982077140889 2.5531e-05 deg
M 260.1962991719468 2.0658e-05 deg
tp 2459153.728984517608
(2020-Oct-31.22898452)
0.00011743 TDB
period 1995.541575852641
5.46
2.4813e-05
6.793e-08
d
yr
n .1804021546612888 2.2431e-09 deg/d
Q 3.522196917753575 2.9197e-08 au
  Orbit Determination Parameters
   # obs. used (total)      746  
   data-arc span      9845 days (26.95 yr)  
   first obs. used      1992-09-22  
   last obs. used      2019-09-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53882  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:40:30  

Additional Information
 Earth MOID = 1.72999 au 
 Jupiter MOID = 2.01031 au 
 T_jup = 3.162 
[ 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 14.3   n/a MPO449453  
diameter diameter 7.461 km 0.129 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.087   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71658 (2000 EQ122)          Discovered 2000-Mar-11 by LONEOS at Anderson Mesa
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 EQ122 = 1992 SS20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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