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13378 (1998 VF35)
Classification: Main-belt Asteroid          SPK-ID: 2013378
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05895056912572205 2.9582e-08  
a 3.012680823863935 1.3258e-08 au
q 2.835081574703007 9.2056e-08 au
i 10.12685214689661 3.6685e-06 deg
node 187.9475066475618 1.6612e-05 deg
peri 299.412532968808 3.72e-05 deg
M 12.43887769881526 3.1713e-05 deg
tp 2459134.505641968815
(2020-Oct-12.00564197)
0.00016833 TDB
period 1909.976885896174
5.23
1.2608e-05
3.452e-08
d
yr
n .1884839563548359 1.2442e-09 deg/d
Q 3.190280073024863 1.4039e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2935  
   data-arc span      13101 days (35.87 yr)  
   first obs. used      1985-05-11  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43464  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 01:28:12  

Additional Information
 Earth MOID = 1.86495 au 
 Jupiter MOID = 1.8536 au 
 T_jup = 3.223 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457286.5 (2015-Sep-21.0) TDB
Reference: JPL 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05876334288782668 3.0284e-08  
q 2.836689927073869 9.4597e-08 au
tp 2457238.026393487757
(2015-Aug-03.52639349)
0.00016861 TDB
node 187.9850943900207 1.6626e-05 deg
peri 301.910336229051 3.6721e-05 deg
i 10.11972981678797 3.6673e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2935  
   data-arc span      13101 days (35.87 yr)  
   first obs. used      1985-05-11  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43464  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 01:28:12  

Additional Information
 Jupiter MOID = 1.8536 au 
 T_jup = 3.223 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.171128901729259E-16 -2.839985681205171E-15 1.593384426618196E-12 -1.911503001830969E-15 3.316794170418277E-13 -9.81794996871623E-16
q -2.839985681205171E-15 8.948643413115853E-15 -5.43865891496292E-12 5.774110752611207E-15 -1.122846487206807E-12 3.013243148973457E-15
tp 1.593384426618196E-12 -5.43865891496292E-12 2.842876318022448E-8 -2.902467710845604E-11 5.527808026189151E-9 3.23931615749399E-12
node -1.911503001830969E-15 5.774110752611207E-15 -2.902467710845604E-11 2.764341723222167E-10 -2.776395273623255E-10 -1.215996742518568E-12
peri 3.316794170418277E-13 -1.122846487206807E-12 5.527808026189151E-9 -2.776395273623255E-10 1.3484576894427E-9 1.789559538249337E-12
i -9.81794996871623E-16 3.013243148973457E-15 3.23931615749399E-12 -1.215996742518568E-12 1.789559538249337E-12 1.344927600061803E-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 12.33   n/a E2021B10  
diameter diameter 13.505 km 0.154 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 102.546 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.]
geometric albedo albedo 0.140   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13378 (1998 VF35)          Discovered 1998-Nov-12 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20000124/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
1903-Oct-17 04:16 00:02 Jupiter 1.87453056050903 1.87453018664158 1.87453093437744 3.841582691788 3.72210164258704 2416404.677605231 2.1655263775086 167.374800456602 15.0528880926007 -86.2169892000929 3917567.2722936 T 44 CATAB v2.0g-lin.ifort 2021-May-04 01:28:29 2021-May-04 01:28
1950-Jul-17 10:33 00:01 Jupiter 1.93028701464889 1.93028653697039 1.93028749232793 3.41636853184794 3.28541640014799 2433479.939856125 1.30307888137993 79.2869807823071 15.2163029221246 -76.0220078110908 3805976.82207202 T 44 CATAB v2.0g-lin.ifort 2021-May-04 01:28:29 2021-May-04 01:28
1988-Jan-24 04:27 < 00:01 Jupiter 1.97393774200715 1.97393739502658 1.97393808898773 4.34990733576853 4.25011622509503 2447184.685653067 0.53844575490609 47.1421611599489 14.2329530613285 80.7340052896338 4859410.2417979 T 44 CATAB v2.0g-lin.ifort 2021-May-04 01:28:29 2021-May-04 01:28
2034-Nov-04 09:19 < 00:01 Jupiter 1.88199827387174 1.88199792326582 1.88199862447778 4.11937769089915 4.00863337587899 2464270.888504812 0.393835388234808 41.2378089535039 14.6989320802457 82.4024772954697 4234186.35679292 T 44 CATAB v2.0g-lin.ifort 2021-May-04 01:28:29 2021-May-04 01:28
2081-Aug-12 11:06 00:01 Jupiter 1.86898292658193 1.86898258225218 1.86898327091178 3.79359164011086 3.67218438014151 2481353.962841632 1.31556799716093 105.591137345206 14.7069752465536 -86.4282411783266 3885507.16241141 T 44 CATAB v2.0g-lin.ifort 2021-May-04 01:28:29 2021-May-04 01:28
2128-May-13 07:06 00:02 Jupiter 1.94333905321675 1.94333832453412 1.94333978190193 3.42418324795868 3.29443655282826 2498428.796013729 2.32622980309019 131.291837967033 15.0808951976451 -73.238370223273 3925950.99961996 T 44 CATAB v2.0g-lin.ifort 2021-May-04 01:28:29 2021-May-04 01:28
2165-Nov-22 17:36 00:03 Jupiter 1.9487633570274 1.94876231072125 1.94876440334113 4.24371541294058 4.14002755845265 2512136.233161713 2.89608081745603 211.100388718942 14.8528567310535 76.8977709394381 4589510.09927467 T 44 CATAB v2.0g-lin.ifort 2021-May-04 01:28:29 2021-May-04 01:28

Alternate Designations
 1998 VF35 = 1985 JT = 1991 NJ2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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