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35804 (1999 JK41)
Classification: Main-belt Asteroid          SPK-ID: 2035804
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07889443248175959 4.7994e-08  
a 2.459716335897468 1.1488e-08 au
q 2.265658411510724 1.2084e-07 au
i 4.50147003307663 4.8198e-06 deg
node 122.543021135663 4.9978e-05 deg
peri 215.2819972938741 5.6544e-05 deg
M 65.11024634568281 2.3935e-05 deg
tp 2458745.656944923697
(2019-Sep-19.15694492)
9.4154e-05 TDB
period 1409.048574941416
3.86
9.8712e-06
2.703e-08
d
yr
n .2554915468510145 1.7899e-09 deg/d
Q 2.653774260284212 1.2394e-08 au
  Orbit Determination Parameters
   # obs. used (total)      959  
   data-arc span      9275 days (25.39 yr)  
   first obs. used      1995-06-01  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53613  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 00:38:50  

Additional Information
 Earth MOID = 1.25758 au 
 Jupiter MOID = 2.6129 au 
 T_jup = 3.482 
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Orbital Elements at Epoch 2457071.5 (2015-Feb-18.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08020275225220201 4.803e-08  
q 2.262306979772657 1.2119e-07 au
tp 2457337.245590615470
(2015-Nov-10.74559062)
9.5337e-05 TDB
node 122.607519423735 5.0024e-05 deg
peri 215.4589999747578 5.6353e-05 deg
i 4.500106618245793 4.819e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      959  
   data-arc span      9275 days (25.39 yr)  
   first obs. used      1995-06-01  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53613  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 00:38:50  

Additional Information
 Jupiter MOID = 2.6129 au 
 T_jup = 3.482 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.306874015066736E-15 -5.799524666236723E-15 -1.076590123116196E-13 1.66611839170745E-14 -1.089059161215491E-14 -2.890742169903799E-16
q -5.799524666236723E-15 1.468706044891432E-14 -1.055085909407631E-13 -4.103885512047155E-14 -8.04821887742858E-14 1.015201820244451E-15
tp -1.076590123116196E-13 -1.055085909407631E-13 9.089087462461898E-9 -2.742645269703345E-11 2.488009204952998E-9 -9.372586774125838E-13
node 1.66611839170745E-14 -4.103885512047155E-14 -2.742645269703345E-11 2.502362650936286E-9 -2.501126474122066E-9 8.15269452952142E-11
peri -1.089059161215491E-14 -8.04821887742858E-14 2.488009204952998E-9 -2.501126474122066E-9 3.175651335679828E-9 -8.156708549331035E-11
i -2.890742169903799E-16 1.015201820244451E-15 -9.372586774125838E-13 8.15269452952142E-11 -8.156708549331035E-11 2.322260108730441E-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 15.1   n/a MPO493102  
diameter diameter 2.981 km 0.964 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.262   0.148 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35804 (1999 JK41)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1999 JK41 = 2000 SE68 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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