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8174 (1991 SL2)
Classification: Main-belt Asteroid          SPK-ID: 2008174
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1385744712035346 7.2389e-08  
a 3.182715509132568 2.9446e-08 au
q 2.741672390463234 2.2506e-07 au
i 10.28496986081754 6.498e-06 deg
node 67.89770231343986 3.2376e-05 deg
peri 332.742254116161 3.8975e-05 deg
M 110.0087625413431 1.9719e-05 deg
tp 2456966.747134237464
(2014-Nov-05.24713424)
0.00011576 JED
period 2073.935079387609
5.68
2.8782e-05
7.88e-08
d
yr
n .1735830612915332 2.409e-09 deg/d
Q 3.623758627801902 3.3527e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1268  
   data-arc span      12970 days (35.51 yr)  
   first obs. used      1980-10-13  
   last obs. used      2016-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49908  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:01:26  

Additional Information
 Earth MOID = 1.75385 au 
 Jupiter MOID = 1.78291 au 
 T_jup = 3.159 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.1 mag n/a MPO319187  

8174 (1991 SL2)          Discovered 1991-Sep-17 by Holt, H. E. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1991 SL2 = 1980 TM14 = 1980 VK = 1980 VL2 = 1992 YX3 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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