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30794 (1988 TR1)
Classification: Main-belt Asteroid          SPK-ID: 2030794
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .173284219688396 1.0816e-07  
a 2.623251906729723 3.2611e-08 au
q 2.168683747025966 2.9679e-07 au
i 13.26425918737683 1.0668e-05 deg
node 194.7750838381303 2.5328e-05 deg
peri 181.3968980017217 3.1959e-05 deg
M 153.8661326476629 2.6175e-05 deg
tp 2456737.216857032564
(2014-Mar-20.71685703)
0.00010365 JED
period 1551.881023844684
4.25
2.8938e-05
7.923e-08
d
yr
n .2319765461840132 4.3257e-09 deg/d
Q 3.07782006643348 3.8262e-08 au
  Orbit Determination Parameters
   # obs. used (total)      718  
   data-arc span      15884 days (43.49 yr)  
   first obs. used      1971-09-27  
   last obs. used      2015-03-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52334  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 17:03:12  

Additional Information
 Earth MOID = 1.16835 au 
 Jupiter MOID = 2.37972 au 
 T_jup = 3.345 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.1 mag n/a PDS3 (MPO 18540)  

30794 (1988 TR1)          Discovered 1988-Oct-15 by Oshima, Y. at Gekko
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1988 TR1 = 1971 SJ4 = 2001 QE182 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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