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27936 (1997 JF12)
Classification: Main-belt Asteroid          SPK-ID: 2027936
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09955191846202932 3.8854e-08  
a 3.030124346373828 2.029e-08 au
q 2.728469654513811 1.1244e-07 au
i 1.244946195484268 4.3668e-06 deg
node 200.9596778798141 0.00017021 deg
peri 32.33125323740186 0.00017144 deg
M 124.1710144890839 2.1088e-05 deg
tp 2458335.981873771141
(2018-Aug-05.48187377)
0.00011145 TDB
period 1926.589119261969
5.27
1.9351e-05
5.298e-08
d
yr
n .1868587320465651 1.8769e-09 deg/d
Q 3.331779038233845 2.231e-08 au
  Orbit Determination Parameters
   # obs. used (total)      913  
   data-arc span      8597 days (23.54 yr)  
   first obs. used      1997-04-11  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58772  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:20:26  

Additional Information
 Earth MOID = 1.71747 au 
 Jupiter MOID = 1.65842 au 
 T_jup = 3.235 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457083.5 (2015-Mar-02.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09892655895384089 3.8693e-08  
q 2.73217102013723 1.1194e-07 au
tp 2456414.621087129776
(2013-May-02.12108713)
0.00011134 TDB
node 200.9679746578133 0.00017022 deg
peri 33.71961612848028 0.00017147 deg
i 1.243541162853285 4.3701e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      913  
   data-arc span      8597 days (23.54 yr)  
   first obs. used      1997-04-11  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58772  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:20:26  

Additional Information
 Jupiter MOID = 1.65842 au 
 T_jup = 3.235 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.497171186581359E-15 -4.28020654790529E-15 -6.441994264760655E-13 2.088643935877808E-15 -1.339072185077648E-13 5.793823930539166E-17
q -4.28020654790529E-15 1.253001993720406E-14 1.904915438446105E-12 -3.417715967432893E-15 4.118045949990984E-13 -7.092547517330424E-17
tp -6.441994264760655E-13 1.904915438446105E-12 1.239766092768903E-8 -1.508507619159606E-11 2.322577273818229E-9 -5.949865637937461E-13
node 2.088643935877808E-15 -3.417715967432893E-15 -1.508507619159606E-11 2.897344580601839E-8 -2.896889393752524E-8 -6.046254837674839E-11
peri -1.339072185077648E-13 4.118045949990984E-13 2.322577273818229E-9 -2.896889393752524E-8 2.940346643909729E-8 6.035072578297482E-11
i 5.793823930539166E-17 -7.092547517330424E-17 -5.949865637937461E-13 -6.046254837674839E-11 6.035072578297482E-11 1.909795057918163E-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 14.8   n/a MPO439294  

27936 (1997 JF12)          Discovered 1997-May-03 by Elst, E. W. at La Silla
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 JF12 = 1998 OE9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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