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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1740263443596879 9.3448e-08  
a 2.621649051712968 2.6354e-08 au
q 2.165413051049318 2.5083e-07 au
i 13.27243521560868 9.8695e-06 deg
node 194.7724092079813 2.0978e-05 deg
peri 181.4752509047045 2.8011e-05 deg
M 200.1718278048158 2.584e-05 deg
tp 2458288.852811027070
(2018-Jun-19.35281103)
0.00012016 JED
period 1550.458899493138
4.24
2.3379e-05
6.401e-08
d
yr
n .2321893215729149 3.5012e-09 deg/d
Q 3.077885052376618 3.0941e-08 au
  Orbit Determination Parameters
   # obs. used (total)      869  
   data-arc span      16273 days (44.55 yr)  
   first obs. used      1971-09-27  
   last obs. used      2016-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53181  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:56:45  

Additional Information
 Earth MOID = 1.16554 au 
 Jupiter MOID = 2.37888 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 14.2 mag n/a MPO365618  

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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