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129785 (1999 JF64)
Classification: Main-belt Asteroid          SPK-ID: 2129785
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2730681840685654 3.3359e-08  
a 2.31882422897185 7.3516e-09 au
q 1.685627107592316 7.8991e-08 au
i 12.8798221890873 4.7752e-06 deg
node 63.6810041431925 1.9608e-05 deg
peri 215.8488904422944 2.2026e-05 deg
M 324.0098336271234 1.1513e-05 deg
tp 2459129.438176746475
(2020-Oct-06.93817675)
4.1543e-05 TDB
period 1289.734066461911
3.53
6.1334e-06
1.679e-08
d
yr
n .2791273095449647 1.3274e-09 deg/d
Q 2.952021350351385 9.359e-09 au
  Orbit Determination Parameters
   # obs. used (total)      738  
   data-arc span      7706 days (21.10 yr)  
   first obs. used      1999-05-10  
   last obs. used      2020-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56559  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 02:18:15  

Additional Information
 Earth MOID = .686704 au 
 Jupiter MOID = 2.22146 au 
 T_jup = 3.496 
[ 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 16.0   n/a MPO320444  
diameter diameter 2.699 km 0.087 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.129   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

129785 (1999 JF64)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

[ show close-approach data ]
Alternate Designations
 1999 JF64 = 1999 LC18 = 2002 CK35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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