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101807 (1999 JJ5)
Classification: Main-belt Asteroid          SPK-ID: 2101807
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3407880349554309 4.9861e-08  
a 2.579609327523946 1.6875e-08 au
q 1.70050933384436 1.3491e-07 au
i 26.40646056182661 7.1338e-06 deg
node 232.2013276928827 1.0102e-05 deg
peri 273.4399228744783 1.6708e-05 deg
M 78.76475925678402 1.6005e-05 deg
tp 2458669.400302506970
(2019-Jul-04.90030251)
6.4878e-05 TDB
period 1513.314992925906
4.14
1.485e-05
4.066e-08
d
yr
n .237888345574348 2.3343e-09 deg/d
Q 3.458709321203532 2.2626e-08 au
  Orbit Determination Parameters
   # obs. used (total)      743  
   data-arc span      7791 days (21.33 yr)  
   first obs. used      1999-05-10  
   last obs. used      2020-09-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45307  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:58:24  

Additional Information
 Earth MOID = .913498 au 
 Jupiter MOID = 2.31034 au 
 T_jup = 3.203 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457518.5 (2016-May-10.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3415579887636467 4.9829e-08  
q 1.697436777252653 1.3505e-07 au
tp 2457156.913918064687
(2015-May-14.41391806)
5.4469e-05 TDB
node 232.2223412532024 1.0102e-05 deg
peri 273.3624244227568 1.6697e-05 deg
i 26.41475707100475 7.1353e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      743  
   data-arc span      7791 days (21.33 yr)  
   first obs. used      1999-05-10  
   last obs. used      2020-09-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45307  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:58:24  

Additional Information
 Jupiter MOID = 2.31034 au 
 T_jup = 3.203 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.482882193921094E-15 -6.712868009619575E-15 -1.769602811568071E-12 1.713500178687195E-14 -3.629936255525777E-13 -1.655303817650848E-14
q -6.712868009619575E-15 1.823893806639367E-14 4.931818314096506E-12 -4.666970648561439E-14 1.024026267964389E-12 4.844452956966315E-14
tp -1.769602811568071E-12 4.931818314096506E-12 2.966822308687448E-9 -2.442753189951534E-11 7.345554931027714E-10 2.628481291275712E-11
node 1.713500178687195E-14 -4.666970648561439E-14 -2.442753189951534E-11 1.020579927909655E-10 -9.624038625425264E-11 2.546893354903287E-11
peri -3.629936255525777E-13 1.024026267964389E-12 7.345554931027714E-10 -9.624038625425264E-11 2.78783323221361E-10 -1.653908915795602E-11
i -1.655303817650848E-14 4.844452956966315E-14 2.628481291275712E-11 2.546893354903287E-11 -1.653908915795602E-11 5.091192112392477E-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 14.8   n/a MPO233952  
diameter diameter 6.261 km 0.331 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.059   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

101807 (1999 JJ5)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 JJ5 = 2001 QT196 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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