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JPL Small-Body Database Browser
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228502 (2001 TE2)
Classification: Apollo [NEO]          SPK-ID: 2228502
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 65 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1966442588390945 5.1878e-08  
a 1.083515757271059 1.2331e-09 au
q .8704486042420112 5.6331e-08 au
i 7.625253861957145 5.0832e-06 deg
node 171.1274078920028 3.2587e-05 deg
peri 35.7278791504601 2.8874e-05 deg
M 2.863325330690428 3.2358e-05 deg
tp 2458997.223429863197
(2020-May-27.72342986)
3.7027e-05 TDB
period 411.9564188553949
1.13
7.0325e-07
1.925e-09
d
yr
n .8738788462144763 1.4918e-09 deg/d
Q 1.296582910300106 1.4756e-09 au
  Orbit Determination Parameters
   # obs. used (total)      263  
   data-arc span      6914 days (18.93 yr)  
   first obs. used      2000-12-24  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53925  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-29 04:51:15  

Additional Information
 Earth MOID = .0660028 au 
 Jupiter MOID = 3.66341 au 
 T_jup = 5.689 
[ 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 20.3   n/a MPO494255  
diameter diameter 0.302 km 0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  
geometric albedo albedo 0.194   0.062 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  

228502 (2001 TE2)          Discovered 2001-Oct-12 by NEAT at Haleakala
Reference: 20091231/Numbers.arcLast Updated: 2010-01-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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