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JPL Small-Body Database Browser
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108574 (2001 MR4)
Classification: Main-belt Asteroid          SPK-ID: 2108574
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1726428216657205 3.6777e-08  
a 2.320087316841088 9.2529e-09 au
q 1.919540895950792 8.4706e-08 au
i 6.262188360004792 6.0321e-06 deg
node 29.8265998869554 4.1871e-05 deg
peri 220.7718770873377 4.7249e-05 deg
M 158.0188665404032 2.4232e-05 deg
tp 2458433.919839216773
(2018-Nov-11.41983922)
8.5513e-05 TDB
period 1290.788007454854
3.53
7.7218e-06
2.114e-08
d
yr
n .2788993993753007 1.6684e-09 deg/d
Q 2.720633737731384 1.085e-08 au
  Orbit Determination Parameters
   # obs. used (total)      724  
   data-arc span      9776 days (26.77 yr)  
   first obs. used      1993-01-22  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .588  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 12:46:32  

Additional Information
 Earth MOID = .910936 au 
 Jupiter MOID = 2.32364 au 
 T_jup = 3.550 
[ 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 15.9   n/a MPO244963  

108574 (2001 MR4)          Discovered 2001-Jun-17 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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