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27644 (1343 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2027644
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1024014259741576 4.3923e-08  
a 2.337410841398968 7.6053e-09 au
q 2.098056638152258 1.0235e-07 au
i 3.001087816655633 4.8591e-06 deg
node 356.7718027451226 6.8428e-05 deg
peri 184.7717213246372 7.0794e-05 deg
M 204.5604594224927 1.8596e-05 deg
tp 2459564.085759760247
(2021-Dec-15.58575976)
6.8116e-05 TDB
period 1305.271958215296
3.57
6.3705e-06
1.744e-08
d
yr
n .2758045920884025 1.3461e-09 deg/d
Q 2.576765044645678 8.3841e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1251  
   data-arc span      17118 days (46.87 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51185  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 02:30:13  

Additional Information
 Earth MOID = 1.10071 au 
 Jupiter MOID = 2.38296 au 
 T_jup = 3.558 
[ 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 15.1   n/a MPO395272  
diameter diameter 2.595 km 0.329 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.288   0.094 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27644 (1343 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1343 T-2 = 1998 SU83 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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