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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1311299320430234 3.0812e-08  
a 2.296578561975728 6.7355e-09 au
q 1.995428371212387 7.0171e-08 au
i 7.338722397665724 3.4136e-06 deg
node 163.4694275611807 2.2741e-05 deg
peri 170.8054800408748 2.5304e-05 deg
M 238.5622797504457 1.1797e-05 deg
tp 2459629.316503591277
(2022-Feb-18.81650359)
4.2245e-05 TDB
period 1271.219032897041
3.48
5.5924e-06
1.531e-08
d
yr
n .2831927391612277 1.2458e-09 deg/d
Q 2.597728752739069 7.6187e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1697  
   data-arc span      8666 days (23.73 yr)  
   first obs. used      1997-06-15  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52776  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 07:01:03  

Additional Information
 Earth MOID = .984121 au 
 Jupiter MOID = 2.7567 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 14.92   n/a E2021B10  
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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