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66293 (1999 JD25)
Classification: Main-belt Asteroid          SPK-ID: 2066293
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1513871015272572 3.0084e-08  
a 2.305684411884236 7.3734e-09 au
q 1.956633531732503 7.1661e-08 au
i 5.098643952838652 3.516e-06 deg
node 265.5873603844991 4.4399e-05 deg
peri 21.0918668081979 4.6884e-05 deg
M 13.88488608994612 1.4499e-05 deg
tp 2459151.178299411927
(2020-Oct-28.67829941)
5.1502e-05 TDB
period 1278.787027612926
3.50
6.1342e-06
1.679e-08
d
yr
n .2815167750583155 1.3504e-09 deg/d
Q 2.65473529203597 8.4896e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1399  
   data-arc span      7800 days (21.36 yr)  
   first obs. used      1999-04-15  
   last obs. used      2020-08-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51442  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:20:56  

Additional Information
 Earth MOID = .939302 au 
 Jupiter MOID = 2.49014 au 
 T_jup = 3.568 
[ 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 15.24   n/a E2021B10  
diameter diameter 2.130 km 0.097 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.269   0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66293 (1999 JD25)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JD25 = 2000 UC97 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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