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85911 (1999 CY91)
Classification: Main-belt Asteroid          SPK-ID: 2085911
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1783378757236221 3.2066e-08  
a 2.664314918230496 1.2792e-08 au
q 2.189166655454513 8.827e-08 au
i 5.638051189537417 4.05e-06 deg
node 143.2532848623906 4.1406e-05 deg
peri 122.2699557958451 4.3325e-05 deg
M 309.2428211348087 1.3976e-05 deg
tp 2459620.460658860025
(2022-Feb-09.96065886)
6.2199e-05 TDB
period 1588.461750479625
4.35
1.144e-05
3.132e-08
d
yr
n .2266343523168251 1.6322e-09 deg/d
Q 3.139463181006478 1.5074e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1057  
   data-arc span      9592 days (26.26 yr)  
   first obs. used      1995-03-04  
   last obs. used      2021-06-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54636  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:27:21  

Additional Information
 Earth MOID = 1.17958 au 
 Jupiter MOID = 1.97043 au 
 T_jup = 3.354 
[ 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 15.08   n/a MPO637178  

85911 (1999 CY91)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1999 CY91 = 2004 FF68 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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