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101814 (1999 JD8)
Classification: Main-belt Asteroid          SPK-ID: 2101814
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4667284266087795 5.7159e-08  
a 3.163308352608593 2.1365e-08 au
q 1.686902422317174 1.8036e-07 au
i 24.39616464477269 7.5037e-06 deg
node 215.900295984126 1.3546e-05 deg
peri 62.63848941134011 1.7065e-05 deg
M 247.8365276941688 3.7131e-06 deg
tp 2459640.764855420691
(2022-Mar-02.26485542)
2.1102e-05 TDB
period 2054.994760887637
5.63
2.0819e-05
5.7e-08
d
yr
n .1751829283713118 1.7748e-09 deg/d
Q 4.639714282900012 3.1337e-08 au
  Orbit Determination Parameters
   # obs. used (total)      480  
   data-arc span      10746 days (29.42 yr)  
   first obs. used      1988-07-15  
   last obs. used      2017-12-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50467  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:27:01  

Additional Information
 Earth MOID = .797766 au 
 Jupiter MOID = 1.30147 au 
 T_jup = 2.901 
[ 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 15.5   n/a MPO432544  
diameter diameter 4.547 km 0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101814 (1999 JD8)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 JD8 = 1994 UF11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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