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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1624110964264549 4.2103e-08  
a 3.111716415742988 2.0248e-08 au
q 2.606339140893971 1.3323e-07 au
i 18.660442702436 5.0735e-06 deg
node 60.72504770827742 1.2229e-05 deg
peri 184.1898876493472 1.8398e-05 deg
M 56.10436668377245 1.221e-05 deg
tp 2458688.041310522433
(2019-Jul-23.54131052)
6.8108e-05 TDB
period 2004.926440858642
5.49
1.957e-05
5.358e-08
d
yr
n .1795577097810253 1.7526e-09 deg/d
Q 3.617093690592005 2.3537e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1502  
   data-arc span      8593 days (23.53 yr)  
   first obs. used      1997-05-08  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46539  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:05:12  

Additional Information
 Earth MOID = 1.5937 au 
 Jupiter MOID = 1.40969 au 
 T_jup = 3.118 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457117.5 (2015-Apr-05.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1606803264558489 4.2266e-08  
q 2.612632634301888 1.3318e-07 au
tp 2456684.676657968111
(2014-Jan-27.17665797)
7.3117e-05 TDB
node 60.7656912410699 1.2219e-05 deg
peri 184.5434533484835 1.8486e-05 deg
i 18.66680433497454 5.0746e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1502  
   data-arc span      8593 days (23.53 yr)  
   first obs. used      1997-05-08  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46539  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:05:12  

Additional Information
 Jupiter MOID = 1.40969 au 
 T_jup = 3.118 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.786402259262115E-15 -5.584216091198989E-15 -5.149030445461151E-13 -1.58354424910991E-15 -9.212143875104027E-14 -1.118690770918901E-15
q -5.584216091198989E-15 1.77380535127623E-14 1.188330296202539E-12 6.312933046048192E-15 2.247913022671245E-13 5.095695572454289E-15
tp -5.149030445461151E-13 1.188330296202539E-12 5.346109535233671E-9 -5.732204283842993E-12 1.026870269654796E-9 -5.352231374845566E-13
node -1.58354424910991E-15 6.312933046048192E-15 -5.732204283842993E-12 1.492941518317696E-10 -1.421420807989042E-10 -7.156713995709879E-12
peri -9.212143875104027E-14 2.247913022671245E-13 1.026870269654796E-9 -1.421420807989042E-10 3.417324793023794E-10 6.939983944405668E-12
i -1.118690770918901E-15 5.095695572454289E-15 -5.352231374845566E-13 -7.156713995709879E-12 6.939983944405668E-12 2.575158980866325E-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. 2020-October); 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

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