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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

[ hide close-approach data ]
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
1917-Jul-24 06:27 00:03 Jupiter 1.41794287955866 1.41794240438416 1.41794335474073 4.39650103336728 4.25846229460386 2421433.768958135 2.52695711497209 300.970750012628 19.0324217996479 -87.4784771871945 3016189.82749948 T 23 CATAB v2.0f-lin.ifort 2020-Aug-25 03:07:57 2020-Aug-25 03:08
1989-May-02 10:31 < 00:01 Jupiter 1.56869342178736 1.56869258994649 1.56869425363634 4.35286592792074 4.22700053180034 2447648.938422919 0.790405943775819 225.188732503579 21.0071324891159 -80.853591265826 2817741.73682098 T 23 CATAB v2.0f-lin.ifort 2020-Aug-25 03:07:57 2020-Aug-25 03:08
1999-Sep-18 03:53 < 00:01 Jupiter 1.67756465153368 1.67756397461723 1.67756532845022 4.11636343821947 3.99181963075521 2451439.661570899 0.554659025572681 122.892329035338 32.6547969297311 -85.611738478022 3061734.55125094 T 23 CATAB v2.0f-lin.ifort 2020-Aug-25 03:07:57 2020-Aug-25 03:08
2061-Mar-18 20:19 00:02 Jupiter 1.93859463316256 1.93859294744006 1.93859631890676 3.9352870825097 3.82264728963293 2473902.346860825 1.54673009002494 352.786433329564 19.1712248904335 -76.0779497230287 2601506.00300887 T 23 CATAB v2.0f-lin.ifort 2020-Aug-25 03:07:57 2020-Aug-25 03:08
2071-Jul-17 04:14 00:02 Jupiter 1.43123747549621 1.43123673953873 1.43123821145548 4.3920547186461 4.25517591232564 2477674.676650352 1.51666873032885 167.722902946766 32.4134674670413 83.9538117375555 3132891.89572175 T 23 CATAB v2.0f-lin.ifort 2020-Aug-25 03:07:57 2020-Aug-25 03:08
2143-Apr-18 08:55 00:04 Jupiter 1.47708631674667 1.47708414884723 1.47708848472973 4.38003877382297 4.24709980632103 2503881.871364637 3.65170004311079 583.376430048674 17.1562436394651 -79.3496136381035 2738314.08193224 T 23 CATAB v2.0f-lin.ifort 2020-Aug-25 03:07:57 2020-Aug-25 03:08
2153-Aug-15 12:14 00:05 Jupiter 1.8337929033917 1.83378781573944 1.83379799115154 3.98233930904933 3.86461296653574 2507654.009891941 5.20572600428632 792.236139919181 80.1040090664008 -71.2566882216678 2388491.87427718 T 23 CATAB v2.0f-lin.ifort 2020-Aug-25 03:07:57 2020-Aug-25 03:08

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