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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05901778448208981 3.2277e-08  
a 3.01176934841761 1.4887e-08 au
q 2.834021394102936 1.0193e-07 au
i 10.12795801473361 4.1773e-06 deg
node 187.9673206068741 1.7919e-05 deg
peri 299.8627641838826 3.9274e-05 deg
M 258.8968477327141 3.4441e-05 deg
tp 2459136.658488577966
(2020-Oct-14.15848858)
0.0001827 TDB
period 1909.11016679074
5.23
1.4155e-05
3.875e-08
d
yr
n .1885695264014903 1.3982e-09 deg/d
Q 3.189517302732285 1.5766e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2390  
   data-arc span      12628 days (34.57 yr)  
   first obs. used      1985-05-11  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45774  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 23:33:54  

Additional Information
 Earth MOID = 1.86415 au 
 Jupiter MOID = 1.85569 au 
 T_jup = 3.223 
[ show covariance matrix ]

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-January); 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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