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249932 (2001 TJ52)
Classification: Main-belt Asteroid          SPK-ID: 2249932
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2011257653310261 4.3381e-08  
a 2.712941856962191 1.2398e-08 au
q 2.167299349682095 1.163e-07 au
i 7.488497051414869 6.2039e-06 deg
node 189.7230429737013 3.5056e-05 deg
peri 152.1918306449915 3.8981e-05 deg
M 84.10381645567014 1.6251e-05 deg
tp 2458619.195123937613
(2019-May-15.69512394)
7.2768e-05 TDB
period 1632.146567983772
4.47
1.1189e-05
3.063e-08
d
yr
n .2205684263054366 1.512e-09 deg/d
Q 3.258584364242286 1.4892e-08 au
  Orbit Determination Parameters
   # obs. used (total)      376  
   data-arc span      6738 days (18.45 yr)  
   first obs. used      2001-08-16  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57286  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:28:17  

Additional Information
 Earth MOID = 1.16297 au 
 Jupiter MOID = 2.18585 au 
 T_jup = 3.321 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO503177  
diameter diameter 1.701 km 0.219 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.222   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249932 (2001 TJ52)          Discovered 2001-Oct-13 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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