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46768 (1998 FK122)
Classification: Main-belt Asteroid          SPK-ID: 2046768
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09709921574714246 4.4202e-08  
a 2.219501095119468 9.4736e-09 au
q 2.003989279433444 9.6107e-08 au
i 3.107805938851351 4.8385e-06 deg
node 200.933101075593 7.5578e-05 deg
peri 14.36692330076177 7.8728e-05 deg
M 235.5025452962468 2.4315e-05 deg
tp 2459418.175926005661
(2021-Jul-22.67592601)
8.2831e-05 TDB
period 1207.762309035423
3.31
7.7327e-06
2.117e-08
d
yr
n .2980718948644069 1.9084e-09 deg/d
Q 2.435012910805493 1.0393e-08 au
  Orbit Determination Parameters
   # obs. used (total)      596  
   data-arc span      7909 days (21.65 yr)  
   first obs. used      1998-03-20  
   last obs. used      2019-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57535  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 03:20:01  

Additional Information
 Earth MOID = .9973 au 
 Jupiter MOID = 2.52965 au 
 T_jup = 3.643 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456894.5 (2014-Aug-25.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09690609901597609 4.4244e-08  
q 2.004154683716156 9.6155e-08 au
tp 2457003.165707095876
(2014-Dec-11.66570710)
7.6676e-05 TDB
node 200.9515636338405 7.5565e-05 deg
peri 14.44383228608683 7.8721e-05 deg
i 3.107724152532417 4.8396e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      596  
   data-arc span      7909 days (21.65 yr)  
   first obs. used      1998-03-20  
   last obs. used      2019-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57535  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 03:20:01  

Additional Information
 Jupiter MOID = 2.52965 au 
 T_jup = 3.643 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.957570254915088E-15 -4.238655661842602E-15 1.297077453971107E-13 2.357569735488294E-15 4.035379047342817E-14 -1.844333577668217E-16
q -4.238655661842602E-15 9.245779307928504E-15 -7.714383652958198E-14 -4.329366827272816E-15 -3.194382180674126E-14 5.325085721347521E-16
tp 1.297077453971107E-13 -7.714383652958198E-14 5.879152866383237E-9 1.211864196708703E-11 1.705311324044717E-9 8.965798504260018E-13
node 2.357569735488294E-15 -4.329366827272816E-15 1.211864196708703E-11 5.710010932377525E-9 -5.697493460217906E-9 3.328716505965154E-11
peri 4.035379047342817E-14 -3.194382180674126E-14 1.705311324044717E-9 -5.697493460217906E-9 6.196970576164486E-9 -3.294065099663451E-11
i -1.844333577668217E-16 5.325085721347521E-16 8.965798504260018E-13 3.328716505965154E-11 -3.294065099663451E-11 2.342167109449748E-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 16.3   n/a MPO502467  

46768 (1998 FK122)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 FK122 = 1999 TW229 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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