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66325 (1999 JF55)
Classification: Main-belt Asteroid          SPK-ID: 2066325
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2216488958955667 3.2525e-08  
a 2.350629141361546 8.6064e-09 au
q 1.829614787518816 7.816e-08 au
i 6.284521751489365 3.8314e-06 deg
node 92.2123629090058 4.0788e-05 deg
peri 193.1731245473898 4.2008e-05 deg
M 323.5314843306014 1.22e-05 deg
tp 2459333.849130159672
(2021-Apr-29.34913016)
4.4998e-05 TDB
period 1316.359768866719
3.60
7.2294e-06
1.979e-08
d
yr
n .273481466476244 1.502e-09 deg/d
Q 2.871643495204277 1.0514e-08 au
  Orbit Determination Parameters
   # obs. used (total)      944  
   data-arc span      7699 days (21.08 yr)  
   first obs. used      1999-05-10  
   last obs. used      2020-06-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55266  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:21:15  

Additional Information
 Earth MOID = .811911 au 
 Jupiter MOID = 2.29266 au 
 T_jup = 3.517 
[ 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 15.53   n/a E2021B10  
diameter diameter 5.102 km 1.501 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.043   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

66325 (1999 JF55)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JF55 = 2000 WY103 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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