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JPL Small-Body Database Browser
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117975 (1131 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2117975
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1819774499373032 3.7271e-08  
a 2.266553597302281 1.0256e-08 au
q 1.85409195351899 8.1699e-08 au
i 1.459011803531856 4.2419e-06 deg
node 292.2257466350541 0.00014629 deg
peri 300.1101173812199 0.00014689 deg
M 358.3963001235211 1.109e-05 deg
tp 2458606.052237203085
(2019-May-02.55223720)
3.8387e-05 TDB
period 1246.371233437497
3.41
8.4598e-06
2.316e-08
d
yr
n .2888385019984122 1.9605e-09 deg/d
Q 2.679015241085571 1.2123e-08 au
  Orbit Determination Parameters
   # obs. used (total)      535  
   data-arc span      17681 days (48.41 yr)  
   first obs. used      1971-03-24  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47227  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:17:09  

Additional Information
 Earth MOID = .843722 au 
 Jupiter MOID = 2.31961 au 
 T_jup = 3.593 
[ 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 16.6   n/a MPO432683  

117975 (1131 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

[ show close-approach data ]
Alternate Designations
 1131 T-1 = 1998 BH3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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