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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05895716954125455 3.1831e-08  
a 3.012635922977902 1.474e-08 au
q 2.83501943610082 1.0097e-07 au
i 10.12633686460818 3.945e-06 deg
node 187.9557604939138 1.7855e-05 deg
peri 299.5362791533871 3.8826e-05 deg
M 334.6247620715053 3.38e-05 deg
tp 2459135.125095599098
(2020-Oct-12.62509560)
0.00017931 TDB
period 1909.934186715634
5.23
1.4017e-05
3.838e-08
d
yr
n .1884881701704414 1.3833e-09 deg/d
Q 3.190252409854983 1.5609e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2565  
   data-arc span      12760 days (34.93 yr)  
   first obs. used      1985-05-11  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45155  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 03:52:07  

Additional Information
 Earth MOID = 1.86491 au 
 Jupiter MOID = 1.85427 au 
 T_jup = 3.223 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457005.5 (2014-Dec-14.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05802814057009293 3.2481e-08  
q 2.836591863436289 1.0296e-07 au
tp 2457239.602038164787
(2015-Aug-05.10203816)
0.00018019 TDB
node 188.0167751227884 1.7881e-05 deg
peri 302.2081412593339 3.884e-05 deg
i 10.1177164305063 3.9427e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2565  
   data-arc span      12760 days (34.93 yr)  
   first obs. used      1985-05-11  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45155  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 03:52:07  

Additional Information
 Jupiter MOID = 1.85427 au 
 T_jup = 3.223 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.054986443940097E-15 -3.31652277885437E-15 9.604040140764848E-13 1.715271077099951E-15 2.225536850138844E-13 -8.167505919249283E-16
q -3.31652277885437E-15 1.060103471817193E-14 -3.154357782838174E-12 -4.573094797546087E-15 -7.305293968267847E-13 3.140549990335123E-15
tp 9.604040140764848E-13 -3.154357782838174E-12 3.246965771634546E-8 -1.96812688999773E-11 6.218828274422586E-9 9.131072442755709E-12
node 1.715271077099951E-15 -4.573094797546087E-15 -1.96812688999773E-11 3.197135421649261E-10 -3.183509781844571E-10 7.951314280642959E-12
peri 2.225536850138844E-13 -7.305293968267847E-13 6.218828274422586E-9 -3.183509781844571E-10 1.508528655092841E-9 -6.1735530068396E-12
i -8.167505919249283E-16 3.140549990335123E-15 9.131072442755709E-12 7.951314280642959E-12 -6.1735530068396E-12 1.554491941151108E-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

[ show close-approach data ]
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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