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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07889443332585021 4.7912e-08  
a 2.459716335720791 1.1467e-08 au
q 2.265658409271762 1.2061e-07 au
i 4.501470026188104 4.8164e-06 deg
node 122.54302106 4.9927e-05 deg
peri 215.2819977778793 5.6484e-05 deg
M 65.11024605087709 2.3916e-05 deg
tp 2458745.656946105032
(2019-Sep-19.15694610)
9.4077e-05 TDB
period 1409.048574789601
3.86
9.8533e-06
2.698e-08
d
yr
n .2554915468785419 1.7866e-09 deg/d
Q 2.653774262169819 1.2372e-08 au
  Orbit Determination Parameters
   # obs. used (total)      962  
   data-arc span      9293 days (25.44 yr)  
   first obs. used      1995-06-01  
   last obs. used      2020-11-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53566  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:37:50  

Additional Information
 Earth MOID = 1.25758 au 
 Jupiter MOID = 2.6129 au 
 T_jup = 3.482 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457074.5 (2015-Feb-21.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08020275702314218 4.7948e-08  
q 2.262312061245515 1.2095e-07 au
tp 2457337.240190148466
(2015-Nov-10.74019015)
9.5241e-05 TDB
node 122.60751854859 4.9973e-05 deg
peri 215.4573155829767 5.6293e-05 deg
i 4.500106683983263 4.8156e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      962  
   data-arc span      9293 days (25.44 yr)  
   first obs. used      1995-06-01  
   last obs. used      2020-11-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53566  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:37:50  

Additional Information
 Jupiter MOID = 2.6129 au 
 T_jup = 3.482 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.298976138479073E-15 -5.77826513130594E-15 -1.195761829251408E-13 1.673764301676778E-14 -1.461395785674709E-14 -2.748518394835834E-16
q -5.77826513130594E-15 1.462983587222007E-14 -7.343177162970958E-14 -4.123656054145717E-14 -7.046882327890998E-14 9.775864545573725E-16
tp -1.195761829251408E-13 -7.343177162970958E-14 9.070872996430459E-9 -2.746682647473449E-11 2.482477842624163E-9 -9.284398096404975E-13
node 1.673764301676778E-14 -4.123656054145717E-14 -2.746682647473449E-11 2.497294557462081E-9 -2.496082887752943E-9 8.111802896431617E-11
peri -1.461395785674709E-14 -7.046882327890998E-14 2.482477842624163E-9 -2.496082887752943E-9 3.168928137283451E-9 -8.115645015748274E-11
i -2.748518394835834E-16 9.775864545573725E-16 -9.284398096404975E-13 8.111802896431617E-11 -8.115645015748274E-11 2.318955297938436E-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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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 27 CATAB v2.0f-lin.ifort 2020-Dec-18 03:37:53 2020-Dec-18 03:37

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