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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1385632505130042 9.042e-08  
a 3.179714362767745 3.2025e-08 au
q 2.73912280495976 2.899e-07 au
i 10.2862423885556 8.9534e-06 deg
node 67.96136294893338 3.6269e-05 deg
peri 332.282149912614 4.2777e-05 deg
M 75.69211842296278 2.0175e-05 deg
tp 2456965.059571032345
(2014-Nov-03.55957103)
0.00011797 JED
period 2071.002340724551
5.67
3.1288e-05
8.566e-08
d
yr
n .1738288716149167 2.6261e-09 deg/d
Q 3.620305920575729 3.6463e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1085  
   data-arc span      12851 days (35.18 yr)  
   first obs. used      1980-10-13  
   last obs. used      2015-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51405  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:06:35  

Additional Information
 Earth MOID = 1.75162 au 
 Jupiter MOID = 1.78927 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
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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