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31901 Amitscheer (2000 GU18)
Classification: Main-belt Asteroid          SPK-ID: 2031901
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1309694245573068 3.0839e-08  
a 2.296949414540537 6.7424e-09 au
q 1.99611927148092 7.0237e-08 au
i 7.338062108810866 3.4155e-06 deg
node 163.4686667499874 2.2749e-05 deg
peri 170.7675572308032 2.5318e-05 deg
M 181.9708092324548 1.174e-05 deg
tp 2459629.302544124040
(2022-Feb-18.80254412)
4.2304e-05 TDB
period 1271.526960880405
3.48
5.5986e-06
1.533e-08
d
yr
n .2831241578634999 1.2466e-09 deg/d
Q 2.597779557600153 7.6255e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1689  
   data-arc span      8394 days (22.98 yr)  
   first obs. used      1997-06-15  
   last obs. used      2020-06-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5282  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 00:58:29  

Additional Information
 Earth MOID = .9867 au 
 Jupiter MOID = 2.75664 au 
 T_jup = 3.572 
[ 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 14.9   n/a MPO302252  
diameter diameter 2.889 km 0.518 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.254   0.117 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

31901 Amitscheer           Discovered 2000 Apr. 12 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Amit Scheer (b. 1998) was awarded second place in the 2015 Intel International Science and Engineering Fair for his biomedical and health sciences project. He attends the Colonel By Secondary School, Ottawa, Ontario, Canada.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2015-11-25Last Updated: 2015-11-30
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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