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11961 (1994 PO)
Classification: Main-belt Asteroid          SPK-ID: 2011961
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1025891184057488 7.7776e-08  
a 2.573249871549119 2.2188e-08 AU
q 2.309262435789189 1.9903e-07 AU
i 12.34719575895148 8.3119e-06 deg
node 317.1784239851158 3.4614e-05 deg
peri 243.2299951505058 5.5354e-05 deg
M 76.6200906315983 4.593e-05 deg
tp 2456679.606051514319
(2014-Jan-22.10605151)
0.00019167 JED
period 1507.722328472469
4.13
1.9501e-05
5.339e-08
d
yr
n .2387707558624071 3.0883e-09 deg/d
Q 2.83723730730905 2.4465e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      864  
   data-arc span      10106 days (27.67 yr)  
   first obs. used      1986-09-29  
   last obs. used      2014-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .45745  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:48:35  

Additional Information
 Earth MOID = 1.33979 AU 
 T_jup = 3.389 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.0 mag n/a MPO263456  

11961 (1994 PO)          Discovered 1994-Aug-03 by Shimizu, Y., Urata, T. at Nachi-Katsuura (905)
Reference: 19991026/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1994 PO = 1986 SF1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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