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120691 (1997 EZ28)
Classification: Main-belt Asteroid          SPK-ID: 2120691
[ 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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03747046885169993 1.1497e-07  
a 2.938843171952139 2.4204e-08 au
q 2.828723340417476 3.4065e-07 au
i 1.742067771126025 1.0846e-05 deg
node 16.30226898954542 0.0002073 deg
peri 163.6220756861837 0.00021535 deg
M 218.401179538223 6.0135e-05 deg
tp 2459724.302665831211
(2022-May-24.80266583)		 0.00031053 TDB
period 1840.191597991266
5.04		 2.2734e-05
6.224e-08		 d
yr
n .1956318029019218 2.4168e-09 deg/d
Q 3.048963003486803 2.5111e-08 au
   Orbit Determination Parameters
   # obs. used (total)      411  
   data-arc span      8354 days (22.87 yr)  
   first obs. used      1997-03-10  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46535  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 06:22:17  

Additional Information
 Earth MOID = 1.83112 au 
 Jupiter MOID = 1.90904 au 
 T_jup = 3.272 
[ 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 15.9   n/a MPO493689  

120691 (1997 EZ28)          Discovered 1997-Mar-10 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

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Alternate Designations
 1997 EZ28 = 2002 EX148 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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