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16372 (1981 EP1)
Classification: Main-belt Asteroid          SPK-ID: 2016372
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .168389051973105 1.0336e-07  
a 3.146848826048974 3.5454e-08 AU
q 2.616953935527909 3.3736e-07 AU
i 11.55758872322261 8.3798e-06 deg
node 358.2090221047116 3.0825e-05 deg
peri 159.9913479470329 3.7502e-05 deg
M 21.83879833826522 1.9519e-05 deg
tp 2456876.808890792980
(2014-Aug-07.30889079)
0.00010999 JED
period 2038.976624300126
5.58
3.4458e-05
9.434e-08
d
yr
n .1765591599774073 2.9838e-09 deg/d
Q 3.67674371657004 4.1424e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      778  
   data-arc span      12127 days (33.20 yr)  
   first obs. used      1981-03-07  
   last obs. used      2014-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54046  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:27:23  

Additional Information
 Earth MOID = 1.62948 AU 
 T_jup = 3.156 
[ 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 13.1 mag n/a MPO279688  

16372 (1981 EP1)          Discovered 1981-Mar-07 by Debehogne, H., DeSanctis, G. at La Silla (809)
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1981 EP1 = 1996 XV31 = 1997 XG9 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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