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117977 (1192 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2117977
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1783539865689381 7.7903e-08  
a 2.635752343954454 1.7302e-08 au
q 2.165655405801754 2.0468e-07 au
i 13.67363326162612 8.7698e-06 deg
node 2.79864897078878 2.2431e-05 deg
peri 182.2497604784199 2.7046e-05 deg
M 175.9983456111611 1.7351e-05 deg
tp 2458236.380269807713
(2018-Apr-27.88026981)
7.2692e-05 TDB
period 1562.986867370751
4.28
1.539e-05
4.214e-08
d
yr
n .2303282308478959 2.2679e-09 deg/d
Q 3.105849282107154 2.0388e-08 au
  Orbit Determination Parameters
   # obs. used (total)      324  
   data-arc span      18111 days (49.59 yr)  
   first obs. used      1971-03-24  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57353  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:14:58  

Additional Information
 Earth MOID = 1.16785 au 
 Jupiter MOID = 1.85477 au 
 T_jup = 3.335 
[ 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 16.1   n/a MPO439766  

117977 (1192 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
 1192 T-1 = 2001 FP43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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