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234750 Amymainzer (2002 NX69)
Classification: Outer Main-belt Asteroid          SPK-ID: 2234750
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2048200736212482 5.997e-08  
a 3.206726659688534 3.7874e-08 au
q 2.549924669167909 1.7767e-07 au
i 19.38971105204666 1.0427e-05 deg
node 210.5604331923671 1.475e-05 deg
peri 113.4788212933269 3.148e-05 deg
M 33.74496237121512 2.8204e-05 deg
tp 2458803.893538045868
(2019-Nov-16.39353805)
0.00016202 TDB
period 2097.448665815144
5.74
3.7159e-05
1.017e-07
d
yr
n .1716370969489692 3.0407e-09 deg/d
Q 3.863528650209159 4.5631e-08 au
  Orbit Determination Parameters
   # obs. used (total)      331  
   data-arc span      7133 days (19.53 yr)  
   first obs. used      2001-04-13  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47138  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 01:46:01  

Additional Information
 Earth MOID = 1.61099 au 
 Jupiter MOID = 1.97049 au 
 T_jup = 3.072 
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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 MPO440210  
diameter diameter 7.533 km 0.205 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.022   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

234750 Amymainzer           Discovered 2002 July 8 by NEAT at Palomar.
Amy Mainzer (b. 1974) is an American astronomer and member of the Wide-field Infrared Survey Explorer (WISE) team. She was the principal investigator of a project to enhance WISE's ability to find new minor planets. The name was suggested by H. Bill.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20100726/MPCPages.arcLast Updated: 2010-07-28

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Alternate Designations
 2002 NX69 = 2007 HY85 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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