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24970 (1998 FC12)
Classification: Mars-crossing Asteroid          SPK-ID: 2024970
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .244765057064527 3.2571e-08  
a 2.07850645499542 7.9648e-09 au
q 1.569760703929478 6.8118e-08 au
i 4.481275961893015 4.0599e-06 deg
node 157.8525083985434 5.2059e-05 deg
peri 150.833515418988 0.00012133 deg
M 40.32563242887953 0.00012708 deg
tp 2458877.896129795945
(2020-Jan-29.39612980)
0.00038631 TDB
period 1094.524514929879
3.00
6.2913e-06
1.722e-08
d
yr
n .3289099468211213 1.8906e-09 deg/d
Q 2.587252206061362 9.9143e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1464  
   data-arc span      14747 days (40.38 yr)  
   first obs. used      1980-03-16  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53582  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 02:12:48  

Additional Information
 Earth MOID = .557271 au 
 Jupiter MOID = 2.68747 au 
 T_jup = 3.725 
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Orbital Elements at Epoch 2456546.5 (2013-Sep-11.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2454108303718126 3.249e-08  
q 1.56843314740069 6.8044e-08 au
tp 2456688.079972848995
(2014-Jan-30.57997285)
0.00038458 TDB
node 157.8900100504408 5.2101e-05 deg
peri 150.7251688291502 0.00012101 deg
i 4.478835020117656 4.0585e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1464  
   data-arc span      14747 days (40.38 yr)  
   first obs. used      1980-03-16  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53582  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 02:12:48  

Additional Information
 Jupiter MOID = 2.68747 au 
 T_jup = 3.725 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.055577696685831E-15 -2.202114713334377E-15 1.993600921624249E-12 -5.519653027230251E-14 5.850275760137936E-13 -2.186445953348008E-15
q -2.202114713334377E-15 4.629982996737359E-15 -4.166461337284809E-12 1.150254925422404E-13 -1.223332850561365E-12 4.670077711399769E-15
tp 1.993600921624249E-12 -4.166461337284809E-12 1.478994341094719E-7 -3.75186321421733E-9 4.218561881170888E-8 -2.829031185852383E-10
node -5.519653027230251E-14 1.150254925422404E-13 -3.75186321421733E-9 2.714517331051687E-9 -3.681202638787376E-9 5.33198813669772E-11
peri 5.850275760137936E-13 -1.223332850561365E-12 4.218561881170888E-8 -3.681202638787376E-9 1.464366965398183E-8 -1.267069670981135E-10
i -2.186445953348008E-15 4.670077711399769E-15 -2.829031185852383E-10 5.33198813669772E-11 -1.267069670981135E-10 1.647129283759769E-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 15.0   n/a MPO474094  

24970 (1998 FC12)          Discovered 1998-Mar-25 by JPL/GEODSS NEAT at Haleakala
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 FC12 = 1980 FB4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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