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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2048296585291968 5.8885e-08  
a 3.207334866723274 3.6054e-08 au
q 2.550377561183559 1.719e-07 au
i 19.38784620119834 9.5717e-06 deg
node 210.5599668537127 1.3069e-05 deg
peri 113.5363394273181 3.0218e-05 deg
M 68.01939482356735 2.8511e-05 deg
tp 2458804.089501332187
(2019-Nov-16.58950133)
0.00016153 TDB
period 2098.045416172498
5.74
3.5376e-05
9.685e-08
d
yr
n .1715882779395474 2.8932e-09 deg/d
Q 3.86429217226299 4.3439e-08 au
  Orbit Determination Parameters
   # obs. used (total)      396  
   data-arc span      7208 days (19.73 yr)  
   first obs. used      2001-04-13  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46225  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 01:08:41  

Additional Information
 Earth MOID = 1.60968 au 
 Jupiter MOID = 1.96956 au 
 T_jup = 3.072 
[ show covariance matrix ]

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 15.52   n/a E2021B55  
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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