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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1384749046625152 9.3354e-08  
a 3.177954696859076 3.3382e-08 AU
q 2.737887723189723 3.0107e-07 AU
i 10.28870129157376 9.2956e-06 deg
node 67.97626819123229 3.8873e-05 deg
peri 332.012814384754 4.5034e-05 deg
M 6.35221686526183 2.1076e-05 deg
tp 2456963.987396973987
(2014-Nov-02.48739697)
0.00012129 JED
period 2069.283427845108
5.67
3.2604e-05
8.926e-08
d
yr
n .1739732678258065 2.7411e-09 deg/d
Q 3.618021670528428 3.8004e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      921  
   data-arc span      12519 days (34.28 yr)  
   first obs. used      1980-10-13  
   last obs. used      2015-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51985  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:22:15  

Additional Information
 Earth MOID = 1.75136 AU 
 T_jup = 3.160 
[ 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 (675)
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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