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JPL Small-Body Database Browser
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379704 (2011 FK142)
Classification: Main-belt Asteroid          SPK-ID: 2379704
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1266376204350473 6.7371e-08  
a 3.084159943268945 5.3865e-08 au
q 2.693589267012276 1.9143e-07 au
i 15.30124159771746 7.4121e-06 deg
node 53.83083348747516 2.5223e-05 deg
peri 207.8362067290726 3.7268e-05 deg
M 141.2161038580186 2.8282e-05 deg
tp 2457824.457529209616
(2017-Mar-11.95752921)
0.00015322 TDB
period 1978.352906304707
5.42
5.1828e-05
1.419e-07
d
yr
n .181969556014367 4.7672e-09 deg/d
Q 3.474730619525615 6.0687e-08 au
  Orbit Determination Parameters
   # obs. used (total)      215  
   data-arc span      6816 days (18.66 yr)  
   first obs. used      2000-05-04  
   last obs. used      2019-01-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58747  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:03:05  

Additional Information
 Earth MOID = 1.68816 au 
 Jupiter MOID = 1.59444 au 
 T_jup = 3.160 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457305.5 (2015-Oct-10.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1277271785530705 6.7526e-08  
q 2.691886841163412 1.9251e-07 au
tp 2457821.645742695355
(2017-Mar-09.14574270)
0.00015162 TDB
node 53.91069835711043 2.5259e-05 deg
peri 207.1587418233544 3.7026e-05 deg
i 15.28773544667702 7.4065e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      215  
   data-arc span      6816 days (18.66 yr)  
   first obs. used      2000-05-04  
   last obs. used      2019-01-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58747  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:03:05  

Additional Information
 Jupiter MOID = 1.59444 au 
 T_jup = 3.160 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.559764615102585E-15 -1.268261014910415E-14 -7.275228511857769E-13 1.219209033516136E-14 -2.065749588870334E-13 -7.622866481065514E-15
q -1.268261014910415E-14 3.706041152911445E-14 2.715017864732561E-12 -2.917095553780099E-14 5.996005897970084E-13 1.943279990800927E-14
tp -7.275228511857769E-13 2.715017864732561E-12 2.298853263665591E-8 2.28125490562446E-11 4.14207812799772E-9 1.270155845804468E-11
node 1.219209033516136E-14 -2.917095553780099E-14 2.28125490562446E-11 6.38035671164089E-10 -6.113796166560905E-10 -1.316333150186796E-11
peri -2.065749588870334E-13 5.996005897970084E-13 4.14207812799772E-9 -6.113796166560905E-10 1.370958803463857E-9 1.491858179444276E-11
i -7.622866481065514E-15 1.943279990800927E-14 1.270155845804468E-11 -1.316333150186796E-11 1.491858179444276E-11 5.485605303795874E-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 15.7   n/a MPO418932  
diameter diameter 4.144 km 0.504 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.021   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

379704 (2011 FK142)          Discovered 2010-Apr-26 by WISE at WISE
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Alternate Designations
 2011 FK142 = 2010 HT65 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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