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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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .162411097043935 4.4491e-08  
a 3.111716415514383 2.085e-08 au
q 2.606339138781071 1.4192e-07 au
i 18.66044323417017 5.3175e-06 deg
node 60.72504775952996 1.2232e-05 deg
peri 184.189887783759 1.846e-05 deg
M 56.1043665847972 1.2213e-05 deg
tp 2458688.041311108083
(2019-Jul-23.54131111)
6.8124e-05 TDB
period 2004.926440637702
5.49
2.0151e-05
5.517e-08
d
yr
n .1795577098008123 1.8047e-09 deg/d
Q 3.617093692247695 2.4236e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1394  
   data-arc span      8485 days (23.23 yr)  
   first obs. used      1997-05-08  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47362  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 03:07:44  

Additional Information
 Earth MOID = 1.5937 au 
 Jupiter MOID = 1.40969 au 
 T_jup = 3.118 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457043.5 (2015-Jan-21.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1606450545402054 4.4681e-08  
q 2.612820275716076 1.419e-07 au
tp 2456684.716075852692
(2014-Jan-27.21607585)
7.3321e-05 TDB
node 60.76887096052921 1.2221e-05 deg
peri 184.555301475294 1.8548e-05 deg
i 18.66673158433825 5.3186e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1394  
   data-arc span      8485 days (23.23 yr)  
   first obs. used      1997-05-08  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47362  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 03:07:44  

Additional Information
 Jupiter MOID = 1.40969 au 
 T_jup = 3.118 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.996423076237648E-15 -6.293892442444063E-15 -4.425595064729693E-13 -1.735855653864081E-15 -7.132041732897884E-14 -1.571489886193461E-15
q -6.293892442444063E-15 2.013635277967508E-14 9.439925007455003E-13 6.913011894594279E-15 1.545013781221776E-13 6.617859881531643E-15
tp -4.425595064729693E-13 9.439925007455003E-13 5.376037080554315E-9 -5.836936389303807E-12 1.035022353511075E-9 1.257962634318994E-12
node -1.735855653864081E-15 6.913011894594279E-15 -5.836936389303807E-12 1.493495649612215E-10 -1.422166560773089E-10 -7.16535090742797E-12
peri -7.132041732897884E-14 1.545013781221776E-13 1.035022353511075E-9 -1.422166560773089E-10 3.440320238031876E-10 7.318315375507181E-12
i -1.571489886193461E-15 6.617859881531643E-15 1.257962634318994E-12 -7.16535090742797E-12 7.318315375507181E-12 2.828782212173296E-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

[ 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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