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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1024014158244466 4.4368e-08  
a 2.337410837858459 7.6422e-09 au
q 2.098056658698347 1.033e-07 au
i 3.001085589915027 4.8995e-06 deg
node 356.7717790680558 6.8924e-05 deg
peri 184.7717587674231 7.1308e-05 deg
M 204.5604438739705 1.8666e-05 deg
tp 2459564.085814854879
(2021-Dec-15.58581486)
6.8344e-05 TDB
period 1305.271955249625
3.57
6.4014e-06
1.753e-08
d
yr
n .2758045927150501 1.3526e-09 deg/d
Q 2.576765017018571 8.4247e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1247  
   data-arc span      16845 days (46.12 yr)  
   first obs. used      1973-09-19  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50914  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 01:06:40  

Additional Information
 Earth MOID = 1.10071 au 
 Jupiter MOID = 2.38296 au 
 T_jup = 3.558 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456709.5 (2014-Feb-21.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1021620184868397 4.4403e-08  
q 2.099777067230181 1.0349e-07 au
tp 2456952.522147017407
(2014-Oct-22.02214702)
6.6313e-05 TDB
node 356.8606760407513 6.8918e-05 deg
peri 184.6334751173976 7.1298e-05 deg
i 3.001276679947565 4.8977e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1247  
   data-arc span      16845 days (46.12 yr)  
   first obs. used      1973-09-19  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50914  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 01:06:40  

Additional Information
 Jupiter MOID = 2.38296 au 
 T_jup = 3.558 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.971582278241093E-15 -4.585158457248109E-15 -9.254948989006672E-13 -4.439933567408189E-15 -2.503382778887698E-13 2.619240520777586E-16
q -4.585158457248109E-15 1.071064241913486E-14 2.200528989116281E-12 1.064353692149801E-14 5.921543100095279E-13 -6.912968891892345E-16
tp -9.254948989006672E-13 2.200528989116281E-12 4.397397638346428E-9 -4.90383605148406E-12 1.221820491313339E-9 2.515766934106107E-13
node -4.439933567408189E-15 1.064353692149801E-14 -4.90383605148406E-12 4.749688808729757E-9 -4.743911125858481E-9 -8.362872852770075E-11
peri -2.503382778887698E-13 5.921543100095279E-13 1.221820491313339E-9 -4.743911125858481E-9 5.083469553848563E-9 8.357405753813417E-11
i 2.619240520777586E-16 -6.912968891892345E-16 2.515766934106107E-13 -8.362872852770075E-11 8.357405753813417E-11 2.398740362717359E-11

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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