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8180 (1992 PY2)
Classification: Main-belt Asteroid          SPK-ID: 2008180
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .10419907921266 6.1164e-08  
a 2.627311409112944 3.1776e-08 AU
q 2.353547979478459 1.6668e-07 AU
i 14.35816493778511 9.3886e-06 deg
node 287.4954804151132 3.13e-05 deg
peri 133.29743006251 6.8982e-05 deg
M 6.02448693443926 6.6791e-05 deg
tp 2456974.469451429405
(2014-Nov-12.96945143)
0.00028829 JED
period 1555.484738765785
4.26
2.822e-05
7.726e-08
d
yr
n .2314391077122657 4.1988e-09 deg/d
Q 2.901074838747429 3.5088e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      743  
   data-arc span      9120 days (24.97 yr)  
   first obs. used      1988-11-07  
   last obs. used      2013-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52655  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 19:11:29  

Additional Information
 Earth MOID = 1.38984 AU 
 T_jup = 3.350 
[ 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 12.3 mag n/a MPO266001  
rotation period rot_per 13.014 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Published Reference List:
[Warner, B.D. (2006) Minor Planet Bul. 33, 35-39.]

8180 (1992 PY2)          Discovered 1992-Aug-06 by Holt, H. E. at Palomar (675)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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