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58520 (1997 AP3)
Classification: Main-belt Asteroid          SPK-ID: 2058520
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1138809809638864 5.4997e-08  
a 2.514207027985572 1.3858e-08 au
q 2.227886665292278 1.385e-07 au
i 7.864672860234779 4.859e-06 deg
node 111.5114867749527 3.8109e-05 deg
peri 254.2059564786583 4.3464e-05 deg
M 49.85165356914447 1.8933e-05 deg
tp 2458798.859832972123
(2019-Nov-11.35983297)
7.683e-05 TDB
period 1456.129434690715
3.99
1.2039e-05
3.296e-08
d
yr
n .2472307690672188 2.0441e-09 deg/d
Q 2.800527390678866 1.5436e-08 au
  Orbit Determination Parameters
   # obs. used (total)      572  
   data-arc span      8716 days (23.86 yr)  
   first obs. used      1997-01-03  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59457  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:40:31  

Additional Information
 Earth MOID = 1.24074 au 
 Jupiter MOID = 2.65995 au 
 T_jup = 3.438 
[ 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 MPO493283  

58520 (1997 AP3)          Discovered 1997-Jan-03 by Spacewatch at Kitt Peak
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 AP3 = 1999 RL254 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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