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JPL Small-Body Database Browser
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390561 (2001 AR25)
Classification: Mars-crossing Asteroid          SPK-ID: 2390561
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1185273622667169 1.5771e-07  
a 1.85540168994788 1.413e-08 au
q 1.635485821693149 2.8633e-07 au
i 18.56401948803897 1.1629e-05 deg
node 303.2639363727256 2.7816e-05 deg
peri 86.5106219508347 5.1018e-05 deg
M 151.7410360371661 4.6695e-05 deg
tp 2458211.404782478650
(2018-Apr-02.90478248)
0.0001182 TDB
period 923.1140235089575
2.53
1.0545e-05
2.887e-08
d
yr
n .3899843256974491 4.4549e-09 deg/d
Q 2.075317558202611 1.5804e-08 au
  Orbit Determination Parameters
   # obs. used (total)      77  
   data-arc span      6643 days (18.19 yr)  
   first obs. used      2001-01-05  
   last obs. used      2019-03-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57229  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 14:26:00  

Additional Information
 Earth MOID = .733531 au 
 Jupiter MOID = 3.28514 au 
 T_jup = 3.929 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.5   n/a MPO368598  

390561 (2001 AR25)          Discovered 2001-Jan-05 by LINEAR at Socorro
Reference: Last Updated: 2014-04-17

Alternate Designations
 2001 AR25 = 2005 YD4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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