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99911 (1995 SE53)
Classification: Main-belt Asteroid          SPK-ID: 2099911
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 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2069234940211203 5.6344e-08  
a 2.429584527085836 2.1787e-08 AU
q 1.926846407721584 1.4156e-07 AU
i 1.926048963553613 7.3449e-06 deg
node 183.2534430377661 0.00019472 deg
peri 211.5459698975036 0.00019617 deg
M 308.9879052925168 2.8461e-05 deg
tp 2456996.504978744523
(2014-Dec-05.00497874)
0.00011122 JED
period 1383.236519743957
3.79
1.8606e-05
5.094e-08
d
yr
n .26025917828329 3.5008e-09 deg/d
Q 2.932322646450088 2.6295e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      540  
   data-arc span      7978 days (21.84 yr)  
   first obs. used      1991-08-03  
   last obs. used      2013-06-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56827  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-06 18:30:27  

Additional Information
 Earth MOID = .932433 AU 
 T_jup = 3.478 
[ 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 15.5 mag n/a MPO264052  

99911 (1995 SE53)          Discovered 1995-Sep-28 by Beijing Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20050622/Numbers.arcLast Updated: 2005-06-27

[ show close-approach data ]
Alternate Designations
 1995 SE53 = 1991 PF25 = 1999 UV7 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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