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66275 (1999 JX8)
Classification: Main-belt Asteroid          SPK-ID: 2066275
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2349272282857922 2.8482e-08  
a 2.299674888219509 6.4949e-09 au
q 1.759418640771661 6.7227e-08 au
i 1.595224680523615 4.3161e-06 deg
node 49.22847559833492 0.00012416 deg
peri 259.7621303742894 0.00012467 deg
M 15.95784933225888 1.0112e-05 deg
tp 2459144.036219758874
(2020-Oct-21.53621976)
3.5708e-05 TDB
period 1273.790751095405
3.49
5.3963e-06
1.477e-08
d
yr
n .2826209875447875 1.1973e-09 deg/d
Q 2.839931135667357 8.0208e-09 au
  Orbit Determination Parameters
   # obs. used (total)      903  
   data-arc span      9325 days (25.53 yr)  
   first obs. used      1995-02-04  
   last obs. used      2020-08-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54446  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:20:45  

Additional Information
 Earth MOID = .743697 au 
 Jupiter MOID = 2.43056 au 
 T_jup = 3.555 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.24   n/a E2021B10  
diameter diameter 1.303 km 0.277 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.261   0.149 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66275 (1999 JX8)          Discovered 1999-May-15 by Juels, C. W. at Fountain Hills
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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