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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1041990934492564 6.0793e-08  
a 2.6273113560948 2.04e-08 AU
q 2.353547894580785 1.6237e-07 AU
i 14.35816199090868 8.1331e-06 deg
node 287.4954739961016 2.5848e-05 deg
peri 133.2973388654157 4.8982e-05 deg
M 6.024604047071112 3.9372e-05 deg
tp 2456974.468946198152
(2014-Nov-12.96894620)
0.0001701 JED
period 1555.48469168215
4.26
1.8117e-05
4.96e-08
d
yr
n .2314391147177956 2.6955e-09 deg/d
Q 2.901074817608814 2.2526e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      927  
   data-arc span      9650 days (26.42 yr)  
   first obs. used      1988-11-07  
   last obs. used      2015-04-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49252  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:00:41  

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 12.4 mag n/a MPO337324  
rotation period rot_per 13.014 h n/a LCDB (Rev. 2015-May); Warner et al., 2009 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
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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