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JPL Small-Body Database Browser
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450237 (2002 XY38)
Classification: Aten [NEO]          SPK-ID: 2450237
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2172738456175182 3.2282e-08  
a .9108993418995235 2.31e-09 au
q .7129847389145475 2.9562e-08 au
i 2.101256123674899 3.0836e-06 deg
node 159.3676611718504 7.2227e-05 deg
peri 119.4810798663164 6.247e-05 deg
M 93.88877846384896 2.3975e-05 deg
tp 2458517.683819420259
(2019-Feb-03.18381942)
2.1398e-05 TDB
period 317.5440717890066
0.87
1.2079e-06
3.307e-09
d
yr
n 1.133700900072867 4.3125e-09 deg/d
Q 1.1088139448845 2.8119e-09 au
  Orbit Determination Parameters
   # obs. used (total)      113  
   data-arc span      4743 days (12.99 yr)  
   first obs. used      2002-12-07  
   last obs. used      2015-12-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47551  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:20:13  

Additional Information
 Earth MOID = .00298085 au 
 Jupiter MOID = 3.97463 au 
 T_jup = 6.529 
[ 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 22.9   n/a MPO171044  
diameter diameter 0.096 km 0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2014ApJ...784..110M)  
geometric albedo albedo 0.134   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2014ApJ...784..110M)  

450237 (2002 XY38)          Discovered 2002-Dec-07 by NEAT at Palomar
Reference: Last Updated: 2015-11-30

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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