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JPL Small-Body Database Browser
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117978 (1215 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2117978
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1027559887127476 5.8598e-08  
a 2.543255944556021 1.8524e-08 au
q 2.281921165423594 1.4535e-07 au
i 16.80213059487773 6.9939e-06 deg
node 3.042588621972104 2.0794e-05 deg
peri 152.7139537321206 3.8947e-05 deg
M 327.5728783336133 3.4707e-05 deg
tp 2458733.941043531012
(2019-Sep-07.44104353)		 0.00014296 TDB
period 1481.438166649253
4.06		 1.6185e-05
4.431e-08		 d
yr
n .2430071049230866 2.6549e-09 deg/d
Q 2.804590723688448 2.0427e-08 au
   Orbit Determination Parameters
   # obs. used (total)      356  
   data-arc span      17474 days (47.84 yr)  
   first obs. used      1971-03-24  
   last obs. used      2019-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5823  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:35:00  

Additional Information
 Earth MOID = 1.29898 au 
 Jupiter MOID = 2.18077 au 
 T_jup = 3.377 
[ 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 15.3   n/a MPO309994  

117978 (1215 T-1)          Discovered 1971-Mar-25 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1215 T-1 = 1999 CK120 = 2001 RL130 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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