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190274 (3117 P-L)
Classification: Mars-crossing Asteroid          SPK-ID: 2190274
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2527869898541031 5.393e-08  
a 2.17555475420023 1.0041e-08 au
q 1.625602816623171 1.1784e-07 au
i 4.89138611658579 7.4824e-06 deg
node 280.4321565678971 7.4927e-05 deg
peri 49.09066715178174 7.7283e-05 deg
M 296.2455520158838 2.3468e-05 deg
tp 2459408.068498121794
(2021-Jul-12.56849812)		 7.7417e-05 TDB
period 1172.069740804009
3.21		 8.1143e-06
2.222e-08		 d
yr
n .3071489583487153 2.1264e-09 deg/d
Q 2.725506691777289 1.2579e-08 au
   Orbit Determination Parameters
   # obs. used (total)      168  
   data-arc span      21757 days (59.57 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-04-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52428  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:06:58  

Additional Information
 Earth MOID = .617663 au 
 Jupiter MOID = 2.64281 au 
 T_jup = 3.638 
[ 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 17.57   n/a E2021B55  

190274 (3117 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20080819/Numbers.arcLast Updated: 2008-08-25

[ show close-approach data ]
Alternate Designations
 3117 P-L = 2005 TT172 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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