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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2068171598723746 5.4174e-08  
a 2.429204524914751 1.4993e-08 AU
q 1.926803344322761 1.3445e-07 AU
i 1.926208003587633 7.3578e-06 deg
node 183.2530595348422 0.0001628 deg
peri 211.5671801726666 0.00016361 deg
M 1.025547424610149 1.6667e-05 deg
tp 2456996.560439298385
(2014-Dec-05.06043930)
6.4017e-05 JED
period 1382.912012207071
3.79
1.2803e-05
3.505e-08
d
yr
n .2603202494607409 2.41e-09 deg/d
Q 2.931605705506741 1.8094e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      597  
   data-arc span      8460 days (23.16 yr)  
   first obs. used      1991-08-03  
   last obs. used      2014-10-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55446  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 17:05:47  

Additional Information
 Earth MOID = .933432 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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