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JPL Small-Body Database Browser
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344242 (2001 SA147)
Classification: Main-belt Asteroid          SPK-ID: 2344242
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2502998527998717 4.2891e-08  
a 2.347428079267681 6.8467e-09 au
q 1.759867176568695 1.0177e-07 au
i 3.574725614959316 5.9157e-06 deg
node 191.5359095048385 6.378e-05 deg
peri 225.2999329380405 6.5828e-05 deg
M 38.96458599148441 1.1918e-05 deg
tp 2458858.314786320664
(2020-Jan-09.81478632)
4.3437e-05 TDB
period 1313.671777129817
3.60
5.7474e-06
1.574e-08
d
yr
n .274041055206764 1.1989e-09 deg/d
Q 2.934988981966667 8.5604e-09 au
  Orbit Determination Parameters
   # obs. used (total)      310  
   data-arc span      6707 days (18.36 yr)  
   first obs. used      2001-09-16  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61222  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:01:31  

Additional Information
 Earth MOID = .773883 au 
 Jupiter MOID = 2.43 au 
 T_jup = 3.515 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457534.5 (2016-May-26.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .249217666578054 4.2859e-08  
q 1.762666590331719 1.0161e-07 au
tp 2457542.097292150839
(2016-Jun-02.59729215)
4.3975e-05 TDB
node 191.582916789508 6.3664e-05 deg
peri 224.8136355401795 6.5757e-05 deg
i 3.575587979172558 5.9229e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      310  
   data-arc span      6707 days (18.36 yr)  
   first obs. used      2001-09-16  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61222  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:01:31  

Additional Information
 Jupiter MOID = 2.43 au 
 T_jup = 3.515 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.836928380149437E-15 -4.349733064328105E-15 -5.568335743737527E-13 3.541062580687017E-14 -1.69773586576165E-13 -4.739842536996568E-15
q -4.349733064328105E-15 1.032514782287784E-14 1.306852128129773E-12 -8.498534058056118E-14 3.976521368718189E-13 1.14550383702389E-14
tp -5.568335743737527E-13 1.306852128129773E-12 1.933832970054544E-9 -2.68831723367779E-11 7.325769449678112E-10 2.472044721266749E-12
node 3.541062580687017E-14 -8.498534058056118E-14 -2.68831723367779E-11 4.053132724915818E-9 -4.052596304356574E-9 -2.255031770522789E-12
peri -1.69773586576165E-13 3.976521368718189E-13 7.325769449678112E-10 -4.052596304356574E-9 4.324030664735366E-9 2.924731607078642E-12
i -4.739842536996568E-15 1.14550383702389E-14 2.472044721266749E-12 -2.255031770522789E-12 2.924731607078642E-12 3.508019722237033E-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 17.8   n/a MPO455507  

344242 (2001 SA147)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

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