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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2048200843191301 5.9538e-08  
a 3.206726648802397 3.7154e-08 au
q 2.549924626206288 1.7533e-07 au
i 19.38971120675947 1.0188e-05 deg
node 210.5604328574852 1.4121e-05 deg
peri 113.4788241627702 3.1055e-05 deg
M 33.74496294607649 2.8187e-05 deg
tp 2458803.893535697738
(2019-Nov-16.39353570)
0.00016193 TDB
period 2097.448655134574
5.74
3.6452e-05
9.98e-08
d
yr
n .1716370978229749 2.9829e-09 deg/d
Q 3.863528671398505 4.4764e-08 au
  Orbit Determination Parameters
   # obs. used (total)      354  
   data-arc span      7157 days (19.59 yr)  
   first obs. used      2001-04-13  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47555  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 00:05:29  

Additional Information
 Earth MOID = 1.61099 au 
 Jupiter MOID = 1.97049 au 
 T_jup = 3.072 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457416.5 (2016-Jan-29.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2085261577416985 6.0209e-08  
q 2.534578583332981 1.7845e-07 au
tp 2456710.635294651582
(2014-Feb-22.13529465)
0.00013936 TDB
node 210.6308297247267 1.4107e-05 deg
peri 113.9038574366722 3.0737e-05 deg
i 19.41361864497422 1.02e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      354  
   data-arc span      7157 days (19.59 yr)  
   first obs. used      2001-04-13  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47555  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 00:05:29  

Additional Information
 Jupiter MOID = 1.97049 au 
 T_jup = 3.072 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.62517288246364E-15 -1.065457700412742E-14 4.705646794029432E-12 1.701469063357329E-15 8.386919488844231E-13 2.205057382281442E-15
q -1.065457700412742E-14 3.184610364194478E-14 -1.327807900631367E-11 -7.496046486276805E-15 -2.317144904128876E-12 -3.275652971752397E-16
tp 4.705646794029432E-12 -1.327807900631367E-11 1.941983168297666E-8 -1.356241012516483E-11 3.803300441095022E-9 3.771009044263734E-11
node 1.701469063357329E-15 -7.496046486276805E-15 -1.356241012516483E-11 1.990031892594158E-10 -1.898499823379022E-10 2.999233433448533E-12
peri 8.386919488844231E-13 -2.317144904128876E-12 3.803300441095022E-9 -1.898499823379022E-10 9.447337964062829E-10 4.752573582665122E-12
i 2.205057382281442E-15 -3.275652971752397E-16 3.771009044263734E-11 2.999233433448533E-12 4.752573582665122E-12 1.040426613762061E-10

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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