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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07893338663187255 4.2735e-08  
a 2.460208025368793 1.0024e-08 au
q 2.266015474107522 1.0555e-07 au
i 4.501497945293878 4.6316e-06 deg
node 122.5422190928314 4.4934e-05 deg
peri 215.4247075211823 5.0973e-05 deg
M 116.0522301186402 2.2529e-05 deg
tp 2458746.132601172783
(2019-Sep-19.63260117)
8.8525e-05 TDB
period 1409.471092546677
3.86
8.6146e-06
2.359e-08
d
yr
n .2554149580673845 1.5611e-09 deg/d
Q 2.654400576630064 1.0816e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1103  
   data-arc span      9397 days (25.73 yr)  
   first obs. used      1995-06-01  
   last obs. used      2021-02-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5162  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 08:11:17  

Additional Information
 Earth MOID = 1.25608 au 
 Jupiter MOID = 2.61195 au 
 T_jup = 3.482 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457267.5 (2015-Sep-02.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08026022285975873 4.2732e-08  
q 2.262497468733629 1.0571e-07 au
tp 2457336.937997929454
(2015-Nov-10.43799793)
8.8152e-05 TDB
node 122.607637892179 4.4978e-05 deg
peri 215.3657792013729 5.0792e-05 deg
i 4.500007207717703 4.6304e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1103  
   data-arc span      9397 days (25.73 yr)  
   first obs. used      1995-06-01  
   last obs. used      2021-02-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5162  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 08:11:17  

Additional Information
 Jupiter MOID = 2.61195 au 
 T_jup = 3.482 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.826034243244342E-15 -4.500122621237349E-15 -8.936583346540954E-13 1.465622491674946E-14 -2.480771847925981E-13 5.91925388767356E-17
q -4.500122621237349E-15 1.117559304724304E-14 2.018052005113386E-12 -3.575441436928429E-14 5.604919883934634E-13 6.975882003198432E-17
tp -8.936583346540954E-13 2.018052005113386E-12 7.770696883022055E-9 -3.037637101996129E-11 2.090979698382859E-9 -4.40369587077105E-13
node 1.465622491674946E-14 -3.575441436928429E-14 -3.037637101996129E-11 2.023045364432304E-9 -2.024283114153891E-9 5.263504178123831E-11
peri -2.480771847925981E-13 5.604919883934634E-13 2.090979698382859E-9 -2.024283114153891E-9 2.579866752994678E-9 -5.261680718216938E-11
i 5.91925388767356E-17 6.975882003198432E-17 -4.40369587077105E-13 5.263504178123831E-11 -5.261680718216938E-11 2.144038808427766E-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 15.11   n/a MPCxxxxx  
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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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1928-Nov-19 16:36 00:02 Hebe 0.0224324825770145 0.0224211993166598 0.0224437674141121 4.1969503157552 4.19695024972443 2425570.191440988 1.53272697647848 636.035525886726 41.0992810362019 27.9162247422809 38487.0619614734 T 30 CATAB v2.0f-lin.ifort 2021-Apr-13 08:11:21 2021-Apr-13 08:11

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