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

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1752608590471686 5.7334e-08  
a 2.619718279104613 1.1181e-08 au
q 2.160584203047168 1.4697e-07 au
i 13.27606106920958 5.333e-06 deg
node 194.7598364162274 1.5291e-05 deg
peri 181.4277476508658 1.8775e-05 deg
M 211.9618295536609 1.4313e-05 deg
tp 2459837.371069184297
(2022-Sep-14.87106918)
6.424e-05 TDB
period 1548.746409220547
4.24
9.9149e-06
2.715e-08
d
yr
n .2324460595076897 1.4881e-09 deg/d
Q 3.078852355162058 1.314e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1397  
   data-arc span      18040 days (49.39 yr)  
   first obs. used      1971-09-27  
   last obs. used      2021-02-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50448  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:40:05  

Additional Information
 Earth MOID = 1.16058 au 
 Jupiter MOID = 2.38456 au 
 T_jup = 3.346 
[ 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 14.23   n/a MPCxxxxx  
rotation period rot_per 112.731 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

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 | Mission Design | Physical Parameters | Discovery Circumstances ]
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