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35348 (1997 JO18)
Classification: Main-belt Asteroid          SPK-ID: 2035348
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1624110984856253 4.2202e-08  
a 3.11171641500765 2.0274e-08 au
q 2.606339133870505 1.3359e-07 au
i 18.66044286665261 5.0847e-06 deg
node 60.72504776731547 1.223e-05 deg
peri 184.1898878567885 1.8402e-05 deg
M 56.10436664167707 1.221e-05 deg
tp 2458688.041310867629
(2019-Jul-23.54131087)
6.8109e-05 TDB
period 2004.926440147957
5.49
1.9594e-05
5.365e-08
d
yr
n .179557709844673 1.7548e-09 deg/d
Q 3.617093696144794 2.3567e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1493  
   data-arc span      8569 days (23.46 yr)  
   first obs. used      1997-05-08  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46565  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 00:41:11  

Additional Information
 Earth MOID = 1.5937 au 
 Jupiter MOID = 1.40969 au 
 T_jup = 3.118 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457111.5 (2015-Mar-30.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1606768155201177 4.2366e-08  
q 2.61264956530104 1.3355e-07 au
tp 2456684.678982699800
(2014-Jan-27.17898270)
7.3131e-05 TDB
node 60.76597104513816 1.2219e-05 deg
peri 184.5442846608267 1.849e-05 deg
i 18.66678847850341 5.0858e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1493  
   data-arc span      8569 days (23.46 yr)  
   first obs. used      1997-05-08  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46565  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 00:41:11  

Additional Information
 Jupiter MOID = 1.40969 au 
 T_jup = 3.118 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.79486666008027E-15 -5.612867881997799E-15 -5.11063645844869E-13 -1.593556779661475E-15 -9.109254686716675E-14 -1.132739690315245E-15
q -5.612867881997799E-15 1.783505853584278E-14 1.175348983448949E-12 6.355798738429816E-15 2.213078242300858E-13 5.148030058456328E-15
tp -5.11063645844869E-13 1.175348983448949E-12 5.348168002072057E-9 -5.729785961718788E-12 1.027386658709747E-9 -5.288310014883819E-13
node -1.593556779661475E-15 6.355798738429816E-15 -5.729785961718788E-12 1.493089727890645E-10 -1.421551190791622E-10 -7.11547104747675E-12
peri -9.109254686716675E-14 2.213078242300858E-13 1.027386658709747E-9 -1.421551190791622E-10 3.41876656852189E-10 6.903245927042935E-12
i -1.132739690315245E-15 5.148030058456328E-15 -5.288310014883819E-13 -7.11547104747675E-12 6.903245927042935E-12 2.586512617425879E-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 13.4   n/a MPO493099  
rotation period rot_per 5.536 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

35348 (1997 JO18)          Discovered 1997-May-08 by Handley, T. at Burlington
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1997 JO18 = 1999 TL242 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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