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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1688745492826729 1.0317e-07  
a 3.148660125104494 3.6057e-08 AU
q 2.616931565633148 3.3739e-07 AU
i 11.5545259515157 8.3805e-06 deg
node 358.2151714063402 3.0839e-05 deg
peri 160.0018262296517 3.7483e-05 deg
M 346.5267262660599 1.9313e-05 deg
tp 2456876.876145308644
(2014-Aug-07.37614531)
0.00010983 JED
period 2040.737303647962
5.59
3.5054e-05
9.597e-08
d
yr
n .1764068306863772 3.0302e-09 deg/d
Q 3.68038868457584 4.2146e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      774  
   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      .54164  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:58:27  

Additional Information
 Earth MOID = 1.629 AU 
 T_jup = 3.155 
[ 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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