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JPL Small-Body Database Browser
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91280 (1999 EO11)
Classification: Main-belt Asteroid          SPK-ID: 2091280
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1818269853394307 5.1082e-08  
a 2.427224631135376 1.0066e-08 au
q 1.985889693714419 1.2413e-07 au
i 1.621224606484065 4.8252e-06 deg
node 25.17396984228769 0.00018973 deg
peri 271.3071422552244 0.00019023 deg
M 93.16497242813183 1.2584e-05 deg
tp 2458643.051448243091
(2019-Jun-08.55144824)
4.8569e-05 TDB
period 1381.221668173124
3.78
8.5925e-06
2.352e-08
d
yr
n .2606388303161757 1.6214e-09 deg/d
Q 2.868559568556333 1.1897e-08 au
  Orbit Determination Parameters
   # obs. used (total)      584  
   data-arc span      9042 days (24.76 yr)  
   first obs. used      1995-01-29  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54552  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 10:54:16  

Additional Information
 Earth MOID = .970808 au 
 Jupiter MOID = 2.3349 au 
 T_jup = 3.486 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO436410  

91280 (1999 EO11)          Discovered 1999-Mar-15 by Spacewatch at Kitt Peak
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2184-Sep-10 10:20 < 00:01 Amphi 0.0362405516413984 0.0362245592573949 0.0362565809322259 4.57199500290874 4.57199496821329 2519002.930392785 0.436408481877766 1993.30356975672 49.3528503770338 -66.435430432058 100656.153267331 T 15 CATAB v2.0f-lin.ifort 2019-Nov-07 10:54:32 2019-Nov-07 10:54

Alternate Designations
 1999 EO11 = 2003 FR118 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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