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JPL Small-Body Database Browser
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117991 (1033 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2117991
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1643315030999185 5.5875e-08  
a 2.804033406238954 1.7823e-08 au
q 2.343242381849323 1.6238e-07 au
i 9.311132973702977 6.0599e-06 deg
node 185.4352396211103 3.0561e-05 deg
peri 153.5668489072197 3.4465e-05 deg
M 271.395438402581 1.6668e-05 deg
tp 2459022.611109272790
(2020-Jun-22.11110927)		 8.1452e-05 TDB
period 1715.035846897422
4.70		 1.6352e-05
4.477e-08		 d
yr
n .2099081489470068 2.0014e-09 deg/d
Q 3.264824430628586 2.0752e-08 au
   Orbit Determination Parameters
   # obs. used (total)      447  
   data-arc span      16670 days (45.64 yr)  
   first obs. used      1973-09-19  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53644  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:55:14  

Additional Information
 Earth MOID = 1.33837 au 
 Jupiter MOID = 2.17784 au 
 T_jup = 3.285 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO436566  

117991 (1033 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1033 T-2 = 2001 QB130 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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