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46764 (1998 FE95)
Classification: Main-belt Asteroid          SPK-ID: 2046764
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1350297777064126 3.8799e-08  
a 2.234804880352612 9.1313e-09 au
q 1.933039674141393 8.6976e-08 au
i 8.117307828918911 3.9231e-06 deg
node 105.9575729731432 2.9475e-05 deg
peri 130.8816857407797 3.3481e-05 deg
M 186.1092924102359 1.5241e-05 deg
tp 2459589.929295942161
(2022-Jan-10.42929594)
5.3056e-05 TDB
period 1220.27536422348
3.34
7.479e-06
2.048e-08
d
yr
n .2950153797697007 1.8081e-09 deg/d
Q 2.536570086563831 1.0364e-08 au
  Orbit Determination Parameters
   # obs. used (total)      623  
   data-arc span      7978 days (21.84 yr)  
   first obs. used      1998-03-24  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5823  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:34:31  

Additional Information
 Earth MOID = .931255 au 
 Jupiter MOID = 2.48909 au 
 T_jup = 3.614 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457188.5 (2015-Jun-15.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1348013249050929 3.8801e-08  
q 1.933476405590522 8.6967e-08 au
tp 2457149.708432775901
(2015-May-07.20843278)
4.8966e-05 TDB
node 105.9834403272247 2.9489e-05 deg
peri 130.9478935212055 3.3508e-05 deg
i 8.115474718185459 3.922e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      623  
   data-arc span      7978 days (21.84 yr)  
   first obs. used      1998-03-24  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5823  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:34:31  

Additional Information
 Jupiter MOID = 2.48909 au 
 T_jup = 3.614 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.505522792179974E-15 -3.360393225051268E-15 -1.068888374480743E-13 -2.214270055444604E-14 -1.004828514360298E-14 -3.134888414872247E-15
q -3.360393225051268E-15 7.563224456505652E-15 2.919778560662725E-13 4.922386855672068E-14 3.782916970815451E-14 7.243373580423908E-15
tp -1.068888374480743E-13 2.919778560662725E-13 2.397659753480882E-9 -7.766345839021683E-12 7.930769071323863E-10 5.491934000407919E-13
node -2.214270055444604E-14 4.922386855672068E-14 -7.766345839021683E-12 8.695980427652064E-10 -8.632256725833151E-10 -1.622437133408387E-11
peri -1.004828514360298E-14 3.782916970815451E-14 7.930769071323863E-10 -8.632256725833151E-10 1.12280951618041E-9 1.622900896102555E-11
i -3.134888414872247E-15 7.243373580423908E-15 5.491934000407919E-13 -1.622437133408387E-11 1.622900896102555E-11 1.538199400109534E-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 16.0   n/a MPO493182  
rotation period rot_per 7.906 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.]

46764 (1998 FE95)          Discovered 1998-Mar-24 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 FE95 = 2001 BH19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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