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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1727014095317872 1.0908e-07  
a 2.621839547376292 3.1774e-08 AU
q 2.169044161978224 2.9856e-07 AU
i 13.24864975871834 1.071e-05 deg
node 194.8511768177012 2.5391e-05 deg
peri 181.0170505601524 3.2064e-05 deg
M 61.4604814356264 2.5075e-05 deg
tp 2456735.771286584589
(2014-Mar-19.27128658)
0.00010443 JED
period 1550.627892971641
4.25
2.8188e-05
7.717e-08
d
yr
n .2321640166746207 4.2204e-09 deg/d
Q 3.074634932774361 3.7262e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      702  
   data-arc span      15798 days (43.25 yr)  
   first obs. used      1971-09-27  
   last obs. used      2014-12-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52877  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 14:23:51  

Additional Information
 Earth MOID = 1.17028 AU 
 T_jup = 3.346 
[ 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 (888)
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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