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46762 (1998 FM78)
Classification: Main-belt Asteroid          SPK-ID: 2046762
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1566752066217534 3.7178e-08  
a 2.181375542226935 5.5892e-09 au
q 1.83960807842889 8.116e-08 au
i 4.34631444476273 2.9489e-06 deg
node 70.91188869313868 5.3211e-05 deg
peri 247.2316871069746 5.4286e-05 deg
M 272.0865953911269 1.1639e-05 deg
tp 2459487.873478266638
(2021-Sep-30.37347827)
3.8266e-05 TDB
period 1176.776768414996
3.22
4.5227e-06
1.238e-08
d
yr
n .3059203832557681 1.1758e-09 deg/d
Q 2.523143006024979 6.4648e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1966  
   data-arc span      8112 days (22.21 yr)  
   first obs. used      1998-03-24  
   last obs. used      2020-06-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47925  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:52:14  

Additional Information
 Earth MOID = .829617 au 
 Jupiter MOID = 2.75274 au 
 T_jup = 3.661 
[ show covariance matrix ]

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 15.16   n/a E2021B10  
rotation period rot_per 30.3667 h n/a LCDB (Rev. 2020-October); 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

46762 (1998 FM78)          Discovered 1998-Mar-24 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 FM78 = 1999 VO3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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