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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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1384749013410613 9.3625e-08  
a 3.177954713509983 4.3065e-08 AU
q 2.737887748090328 3.0174e-07 AU
i 10.28869993439643 9.365e-06 deg
node 67.97627682591495 4.7346e-05 deg
peri 332.0128160536288 5.497e-05 deg
M 6.352201082340472 3.4243e-05 deg
tp 2456963.987487407409
(2014-Nov-02.48748741)
0.00019656 JED
period 2069.283444108138
5.67
4.2061e-05
1.152e-07
d
yr
n .173973266458506 3.5363e-09 deg/d
Q 3.618021678929639 4.9028e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      798  
   data-arc span      12379 days (33.89 yr)  
   first obs. used      1980-10-13  
   last obs. used      2014-09-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53159  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 13:53:14  

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 12.0 mag n/a MPO266001  

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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