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66350 (1999 JS76)
Classification: Main-belt Asteroid          SPK-ID: 2066350
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09931068027476249 3.846e-08  
a 2.379652448599081 1.0196e-08 au
q 2.143327545111202 9.206e-08 au
i 7.696858061840885 4.3699e-06 deg
node 224.4624093262722 2.9889e-05 deg
peri 9.598950355077321 3.6724e-05 deg
M 271.170200425289 2.2982e-05 deg
tp 2459331.345252390012
(2021-Apr-26.84525239)
8.6407e-05 TDB
period 1340.814585090117
3.67
8.6172e-06
2.359e-08
d
yr
n .2684934994019357 1.7256e-09 deg/d
Q 2.61597735208696 1.1208e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1429  
   data-arc span      7573 days (20.73 yr)  
   first obs. used      1999-05-10  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53645  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:55:35  

Additional Information
 Earth MOID = 1.13275 au 
 Jupiter MOID = 2.37451 au 
 T_jup = 3.520 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456754.5 (2014-Apr-07.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09959077648956824 3.8354e-08  
q 2.142645560681135 9.1825e-08 au
tp 2456650.897365185526
(2013-Dec-24.39736519)
8.1233e-05 TDB
node 224.4969185527874 2.9906e-05 deg
peri 9.842671091701892 3.6745e-05 deg
i 7.694210221398222 4.3692e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1429  
   data-arc span      7573 days (20.73 yr)  
   first obs. used      1999-05-10  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53645  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:55:35  

Additional Information
 Jupiter MOID = 2.37451 au 
 T_jup = 3.520 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.471059019008339E-15 -3.504416351770286E-15 -3.303218821040508E-13 2.006990842765278E-15 -1.103294730439367E-13 8.606719503030737E-16
q -3.504416351770286E-15 8.431885059018872E-15 9.347276186425752E-13 -5.692800549380817E-15 3.032670281618112E-13 -2.088552990045153E-15
tp -3.303218821040508E-13 9.347276186425752E-13 6.598815801344705E-9 1.344611588025305E-12 1.748099085720556E-9 -3.972134409004002E-12
node 2.006990842765278E-15 -5.692800549380817E-15 1.344611588025305E-12 8.943564302005813E-10 -8.856388907123928E-10 -1.186051893820379E-11
peri -1.103294730439367E-13 3.032670281618112E-13 1.748099085720556E-9 -8.856388907123928E-10 1.350210763150543E-9 1.070705785631422E-11
i 8.606719503030737E-16 -2.088552990045153E-15 -3.972134409004002E-12 -1.186051893820379E-11 1.070705785631422E-11 1.90895638966421E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7   n/a MPO351309  
diameter diameter 3.011 km 0.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.309   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66350 (1999 JS76)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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