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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05895716973374165 3.1782e-08  
a 3.012635922705815 1.4676e-08 au
q 2.835019435264881 1.0076e-07 au
i 10.1263370703872 3.926e-06 deg
node 187.9557610263801 1.783e-05 deg
peri 299.5362779138581 3.8715e-05 deg
M 334.6247628788012 3.3643e-05 deg
tp 2459135.125091297854
(2020-Oct-12.62509130)
0.00017847 TDB
period 1909.93418645689
5.23
1.3956e-05
3.821e-08
d
yr
n .1884881701959764 1.3773e-09 deg/d
Q 3.19025241014675 1.5541e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2628  
   data-arc span      12957 days (35.47 yr)  
   first obs. used      1985-05-11  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44854  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:46:44  

Additional Information
 Earth MOID = 1.86491 au 
 Jupiter MOID = 1.85427 au 
 T_jup = 3.223 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457028.5 (2015-Jan-06.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0580645796135878 3.2432e-08  
q 2.836606814311212 1.0277e-07 au
tp 2457239.493786980945
(2015-Aug-04.99378698)
0.00017935 TDB
node 188.0154657712401 1.7856e-05 deg
peri 302.1873424458753 3.8706e-05 deg
i 10.11765745873406 3.9237e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2628  
   data-arc span      12957 days (35.47 yr)  
   first obs. used      1985-05-11  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44854  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:46:44  

Additional Information
 Jupiter MOID = 1.85427 au 
 T_jup = 3.223 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.051839110052232E-15 -3.305381301200725E-15 9.866551764834123E-13 1.692467194977265E-15 2.27126243237687E-13 -8.037237058289999E-16
q -3.305381301200725E-15 1.056108931640028E-14 -3.257438596000257E-12 -4.514123544838107E-15 -7.485115123056097E-13 3.056404634035226E-15
tp 9.866551764834123E-13 -3.257438596000257E-12 3.216662217726688E-8 -1.954215310910741E-11 6.165145094061479E-9 8.895017579823392E-12
node 1.692467194977265E-15 -4.514123544838107E-15 -1.954215310910741E-11 3.18828922119926E-10 -3.17456507217026E-10 7.589387210702391E-12
peri 2.27126243237687E-13 -7.485115123056097E-13 6.165145094061479E-9 -3.17456507217026E-10 1.498147421599353E-9 -5.858212082938405E-12
i -8.037237058289999E-16 3.056404634035226E-15 8.895017579823392E-12 7.589387210702391E-12 -5.858212082938405E-12 1.539539679486784E-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 12.3   n/a MPO502270  
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. 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.]
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

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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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