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15972 (1998 FM27)
Classification: Main-belt Asteroid          SPK-ID: 2015972
[ 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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1214316332625394 3.3058e-08  
a 3.049751011955205 1.4121e-08 au
q 2.679414765529402 9.9619e-08 au
i 3.131305978807262 4.1106e-06 deg
node 236.4932198245052 5.9349e-05 deg
peri 201.9048635548736 6.1393e-05 deg
M 139.0606559492578 1.6739e-05 deg
tp 2458249.055732273891
(2018-May-10.55573227)		 8.8404e-05 TDB
period 1945.337698393354
5.33		 1.3511e-05
3.699e-08		 d
yr
n .1850578438372538 1.2853e-09 deg/d
Q 3.420087258381008 1.5836e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2097  
   data-arc span      14479 days (39.64 yr)  
   first obs. used      1980-11-30  
   last obs. used      2020-07-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51091  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:30:13  

Additional Information
 Earth MOID = 1.6952 au 
 Jupiter MOID = 1.82127 au 
 T_jup = 3.224 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457076.5 (2015-Feb-23.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1226530075934066 3.3002e-08  
q 2.67539740270883 9.9509e-08 au
tp 2456305.351166836981
(2013-Jan-12.85116684)		 8.3705e-05 TDB
node 236.5216310843761 5.9343e-05 deg
peri 202.3014202456042 6.1353e-05 deg
i 3.131747272409588 4.1112e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      2097  
   data-arc span      14479 days (39.64 yr)  
   first obs. used      1980-11-30  
   last obs. used      2020-07-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51091  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:30:13  

Additional Information
 Jupiter MOID = 1.82127 au 
 T_jup = 3.224 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.089152086215333E-15 -3.259100036090822E-15 -6.323484866000983E-13 -2.53776337901212E-15 -1.304866474242593E-13 -6.122220719881963E-17
q -3.259100036090822E-15 9.902124571440892E-15 2.151481071064348E-12 6.439938467757824E-15 4.494054236083413E-13 2.880834606355714E-16
tp -6.323484866000983E-13 2.151481071064348E-12 7.006534963165582E-9 2.978179917145021E-12 1.312512591712487E-9 -4.080080443192332E-13
node -2.53776337901212E-15 6.439938467757824E-15 2.978179917145021E-12 3.521621135113402E-9 -3.515764797231243E-9 -5.36421533214677E-11
peri -1.304866474242593E-13 4.494054236083413E-13 1.312512591712487E-9 -3.515764797231243E-9 3.764212136856416E-9 5.350504796684501E-11
i -6.122220719881963E-17 2.880834606355714E-16 -4.080080443192332E-13 -5.36421533214677E-11 5.350504796684501E-11 1.69021513260122E-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 13.3   n/a MPO473981  

15972 (1998 FM27)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 FM27 = 1980 WR1 = 1980 XD2 = 1993 FL23 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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