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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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1574995823595121 3.6959e-08  
a 2.571192584974489 1.4886e-08 au
q 2.166230826675133 9.3432e-08 au
i 6.271610442241262 5.8744e-06 deg
node 159.1549887515781 4.4564e-05 deg
peri 326.9454100071524 4.9724e-05 deg
M 221.8402417763395 2.1217e-05 deg
tp 2459178.435538654155
(2020-Nov-24.93553865)
8.9468e-05 TDB
period 1505.914577374131
4.12
1.3078e-05
3.581e-08
d
yr
n .2390573844020644 2.076e-09 deg/d
Q 2.976154343273845 1.723e-08 au
  Orbit Determination Parameters
   # obs. used (total)      727  
   data-arc span      8299 days (22.72 yr)  
   first obs. used      1994-09-06  
   last obs. used      2017-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55503  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:37:33  

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 15.4   n/a MPO351346  

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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