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JPL Small-Body Database Browser
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71445 Marc (2000 AE231)
Classification: Main-belt Asteroid          SPK-ID: 2071445
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1574995853864305 3.5048e-08  
a 2.571192586959477 1.3142e-08 au
q 2.166230820564695 9.0222e-08 au
i 6.271611151163748 5.8559e-06 deg
node 159.1549798382675 4.1814e-05 deg
peri 326.9454164035594 4.6868e-05 deg
M 221.8402431634494 2.0962e-05 deg
tp 2459178.435533521000
(2020-Nov-24.93553352)
8.8744e-05 TDB
period 1505.914579118004
4.12
1.1546e-05
3.161e-08
d
yr
n .2390573841252322 1.8329e-09 deg/d
Q 2.976154353354258 1.5212e-08 au
  Orbit Determination Parameters
   # obs. used (total)      796  
   data-arc span      9185 days (25.15 yr)  
   first obs. used      1994-09-06  
   last obs. used      2019-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57228  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 08:27:15  

Additional Information
 Earth MOID = 1.18471 au 
 Jupiter MOID = 2.09043 au 
 T_jup = 3.404 
[ 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 15.3   n/a MPO493366  

71445 Marc           Discovered 2000 Jan. 4 by L. H. Wasserman at the Anderson Mesa Station of the Lowell Observatory.
Marc Y. Wasserman (b. 1973), currently a fellow in clinical neurophysiology at Loyola University Medical Center in Maywood, Illinois, is the son of the discoverer.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040928/MPCPages.arcLast Updated: 2004-09-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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