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66314 (1999 JQ45)
Classification: Main-belt Asteroid          SPK-ID: 2066314
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1756654774926315 3.4694e-08  
a 2.37508931013417 9.4719e-09 au
q 1.957868112381806 8.1507e-08 au
i 2.712175417630916 3.8643e-06 deg
node 161.5487792429071 6.2351e-05 deg
peri 146.7519057134062 6.3074e-05 deg
M 265.0152267220595 9.8056e-06 deg
tp 2459553.252283674465
(2021-Dec-04.75228367)
3.7599e-05 TDB
period 1336.959785661774
3.66
7.9977e-06
2.19e-08
d
yr
n .2692676353176963 1.6108e-09 deg/d
Q 2.792310507886534 1.1136e-08 au
  Orbit Determination Parameters
   # obs. used (total)      912  
   data-arc span      8924 days (24.43 yr)  
   first obs. used      1996-10-08  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51456  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:21:08  

Additional Information
 Earth MOID = .941909 au 
 Jupiter MOID = 2.45968 au 
 T_jup = 3.520 
[ 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 15.83   n/a E2021B10  
diameter diameter 4.222 km 0.098 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.031   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66314 (1999 JQ45)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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