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11939 (1993 FH36)
Classification: Main-belt Asteroid          SPK-ID: 2011939
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1663122158174545 2.9635e-08  
a 2.570371981654887 8.9641e-09 au
q 2.142887721910761 7.8461e-08 au
i 8.971695017660712 3.9395e-06 deg
node 178.7095163363195 2.0402e-05 deg
peri 213.2216755347153 2.4013e-05 deg
M 9.187236412964271 1.3905e-05 deg
tp 2458962.087304284697
(2020-Apr-22.58730428)
5.8047e-05 TDB
period 1505.193709611682
4.12
7.8739e-06
2.156e-08
d
yr
n .2391718738267081 1.2512e-09 deg/d
Q 2.997856241399013 1.0455e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2304  
   data-arc span      20855 days (57.10 yr)  
   first obs. used      1962-12-01  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46599  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 22:38:45  

Additional Information
 Earth MOID = 1.15377 au 
 Jupiter MOID = 2.46213 au 
 T_jup = 3.394 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456780.5 (2014-May-03.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1679847608949811 2.9997e-08  
q 2.138091381941664 7.9657e-08 au
tp 2457452.754349043924
(2016-Mar-05.25434904)
5.3616e-05 TDB
node 178.8539050048384 2.035e-05 deg
peri 212.3751118958591 2.3867e-05 deg
i 8.983995137786794 3.9452e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2304  
   data-arc span      20855 days (57.10 yr)  
   first obs. used      1962-12-01  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46599  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 22:38:45  

Additional Information
 Jupiter MOID = 2.46213 au 
 T_jup = 3.394 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.99822775919602E-16 -2.379540138431179E-15 -6.895519921531072E-13 -2.966927370521603E-15 -1.447944037781935E-13 3.732264617689105E-16
q -2.379540138431179E-15 6.345225004903544E-15 1.928487889655896E-12 7.502848365053614E-15 4.017998428968949E-13 -8.232322757232306E-16
tp -6.895519921531072E-13 1.928487889655896E-12 2.87471234258913E-9 -1.93592777040392E-12 6.763177123864269E-10 4.846706413346415E-13
node -2.966927370521603E-15 7.502848365053614E-15 -1.93592777040392E-12 4.141095177190852E-10 -4.091302574636132E-10 -2.23160659743662E-11
peri -1.447944037781935E-13 4.017998428968949E-13 6.763177123864269E-10 -4.091302574636132E-10 5.696180591735365E-10 2.216634603776164E-11
i 3.732264617689105E-16 -8.232322757232306E-16 4.846706413346415E-13 -2.23160659743662E-11 2.216634603776164E-11 1.556444745604834E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.4   n/a MPO452339  
diameter diameter 13.015 km 0.148 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.044   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

11939 (1993 FH36)          Discovered 1993-Mar-19 by UESAC at La Silla
Reference: 19991026/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 FH36 = 1962 XJ = 1978 SL2 = 1997 EU51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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