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JPL Small-Body Database Browser
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35801 (1999 JB38)
Classification: Main-belt Asteroid          SPK-ID: 2035801
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01862611579455243 3.2788e-08  
a 2.306949786486114 9.1221e-09 au
q 2.263980272630806 7.629e-08 au
i 5.20218852345397 4.8525e-06 deg
node 2.526905305936615 4.0273e-05 deg
peri 238.587673304109 0.00014137 deg
M 239.9192943821686 0.00013655 deg
tp 2459027.400211409092
(2020-Jun-26.90021141)
0.00048575 TDB
period 1279.839881990599
3.50
7.5911e-06
2.078e-08
d
yr
n .2812851865813668 1.6684e-09 deg/d
Q 2.349919300341422 9.292e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1269  
   data-arc span      7743 days (21.20 yr)  
   first obs. used      1997-12-22  
   last obs. used      2019-03-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55572  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:48:50  

Additional Information
 Earth MOID = 1.25672 au 
 Jupiter MOID = 2.62354 au 
 T_jup = 3.582 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456371.5 (2013-Mar-20.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01920043208792093 3.2589e-08  
q 2.262631828833745 7.5859e-08 au
tp 2456470.872756748920
(2013-Jun-27.37275675)
0.00047143 TDB
node 2.557398961090321 4.0272e-05 deg
peri 239.5102282169179 0.00013796 deg
i 5.203090776135475 4.8524e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1269  
   data-arc span      7743 days (21.20 yr)  
   first obs. used      1997-12-22  
   last obs. used      2019-03-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55572  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:48:50  

Additional Information
 Jupiter MOID = 2.62354 au 
 T_jup = 3.582 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.062056302636496E-15 -2.455084791868058E-15 -2.560220917783448E-12 -2.644817778577847E-15 -6.997375860221855E-13 -5.345266332617524E-16
q -2.455084791868058E-15 5.754613321496478E-15 6.26166615578335E-12 5.815910703697743E-15 1.711459653318844E-12 1.398793836553796E-15
tp -2.560220917783448E-12 6.26166615578335E-12 2.222493720857066E-7 1.677742129873058E-10 6.221408009509506E-8 -1.501996778555741E-12
node -2.644817778577847E-15 5.815910703697743E-15 1.677742129873058E-10 1.621801936112424E-9 -1.567697986078759E-9 -3.331179333422028E-11
peri -6.997375860221855E-13 1.711459653318844E-12 6.221408009509506E-8 -1.567697986078759E-9 1.903228247289437E-8 3.275205604584331E-11
i -5.345266332617524E-16 1.398793836553796E-15 -1.501996778555741E-12 -3.331179333422028E-11 3.275205604584331E-11 2.354552841832041E-11

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 14.9   n/a MPO358959  
diameter diameter 3.739 km 0.102 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.183   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35801 (1999 JB38)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JB38 = 2000 RX3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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