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541981 (2012 FJ86)
Classification: Main-belt Asteroid          SPK-ID: 2541981
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09547102478919582 7.25e-08  
a 2.865708274489762 5.3346e-08 au
q 2.592116168777346 2.144e-07 au
i 11.46846870463985 8.2244e-06 deg
node 73.83345326519861 3.858e-05 deg
peri 182.8413331044458 5.941e-05 deg
M 281.75905769873 5.0361e-05 deg
tp 2459781.603942640260
(2022-Jul-21.10394264)
0.00025229 TDB
period 1771.929315685699
4.85
4.9478e-05
1.355e-07
d
yr
n .2031683751790559 5.6731e-09 deg/d
Q 3.139300380202178 5.8439e-08 au
  Orbit Determination Parameters
   # obs. used (total)      82  
   data-arc span      5569 days (15.25 yr)  
   first obs. used      2005-12-10  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63676  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:25:05  

Additional Information
 Earth MOID = 1.57739 au 
 Jupiter MOID = 1.90486 au 
 T_jup = 3.264 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458047.5 (2017-Oct-21.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09608672369753772 7.2566e-08  
q 2.589301814057593 2.148e-07 au
tp 2458007.434198318069
(2017-Sep-10.93419832)
0.0002336 TDB
node 73.84539435605322 3.8573e-05 deg
peri 182.3406453116263 5.9163e-05 deg
i 11.47106401090175 8.2263e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      82  
   data-arc span      5569 days (15.25 yr)  
   first obs. used      2005-12-10  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63676  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:25:05  

Additional Information
 Jupiter MOID = 1.90486 au 
 T_jup = 3.264 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.265871050807272E-15 -1.519235611394176E-14 -3.458464143701175E-12 -2.872803526384194E-14 -5.826009478074163E-13 1.914818787505026E-15
q -1.519235611394176E-14 4.614008062685349E-14 1.279807483900831E-11 8.55497974594203E-14 2.225663289836055E-12 -8.989614903038555E-16
tp -3.458464143701175E-12 1.279807483900831E-11 5.456980358518973E-8 3.062498640745729E-11 1.054782423711429E-8 6.350017584557686E-12
node -2.872803526384194E-14 8.55497974594203E-14 3.062498640745729E-11 1.487888619429175E-9 -1.45214440088626E-9 -2.171162319958101E-11
peri -5.826009478074163E-13 2.225663289836055E-12 1.054782423711429E-8 -1.45214440088626E-9 3.500312854657099E-9 2.276570898562545E-11
i 1.914818787505026E-15 -8.989614903038555E-16 6.350017584557686E-12 -2.171162319958101E-11 2.276570898562545E-11 6.767264494406596E-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 17.09   n/a MPCxxxxx  

541981 (2012 FJ86)          Discovered 2012-Mar-27 by Mount Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2019-12-13

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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