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344520 (2002 SF2)
Classification: Mars-crossing Asteroid          SPK-ID: 2344520
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2674776945022396 5.3076e-08  
a 2.226369916077807 1.3507e-08 au
q 1.63086562381617 1.2305e-07 au
i 5.516930293510908 5.7277e-06 deg
node 168.0890063265227 7.9978e-05 deg
peri 155.7957552439887 8.4619e-05 deg
M 139.8013177720695 2.6353e-05 deg
tp 2458529.302281876286
(2019-Feb-14.80228188)
8.7082e-05 TDB
period 1213.37324445755
3.32
1.1042e-05
3.023e-08
d
yr
n .296693537330256 2.7001e-09 deg/d
Q 2.821874208339443 1.712e-08 au
  Orbit Determination Parameters
   # obs. used (total)      82  
   data-arc span      8322 days (22.78 yr)  
   first obs. used      1995-07-03  
   last obs. used      2018-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6301  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 17:01:07  

Additional Information
 Earth MOID = .620948 au 
 Jupiter MOID = 2.53264 au 
 T_jup = 3.592 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456740.5 (2014-Mar-24.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2676816184765284 5.3268e-08  
q 1.630229071482211 1.236e-07 au
tp 2457316.828110985504
(2015-Oct-21.32811099)
8.32e-05 TDB
node 168.1279678614686 7.9955e-05 deg
peri 155.8403070241446 8.4601e-05 deg
i 5.517504479408606 5.7296e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      82  
   data-arc span      8322 days (22.78 yr)  
   first obs. used      1995-07-03  
   last obs. used      2018-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6301  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 17:01:07  

Additional Information
 Jupiter MOID = 2.53264 au 
 T_jup = 3.592 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.837507385741999E-15 -6.567917258647777E-15 5.579810159396497E-13 7.300131307038184E-14 3.53154171605835E-13 -5.326261454900142E-15
q -6.567917258647777E-15 1.527701229300212E-14 -1.078016287738895E-12 -1.558067481952068E-13 -7.674414696160307E-13 1.413811450386413E-14
tp 5.579810159396497E-13 -1.078016287738895E-12 6.922316501070822E-9 4.573652211327502E-10 2.368094348391159E-9 3.930301410444459E-11
node 7.300131307038184E-14 -1.558067481952068E-13 4.573652211327502E-10 6.392825498526016E-9 -6.175991689368761E-9 1.423157512540208E-11
peri 3.53154171605835E-13 -7.674414696160307E-13 2.368094348391159E-9 -6.175991689368761E-9 7.157263502719569E-9 5.200681221161345E-13
i -5.326261454900142E-15 1.413811450386413E-14 3.930301410444459E-11 1.423157512540208E-11 5.200681221161345E-13 3.282856711428201E-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 18.4   n/a MPO446552  

344520 (2002 SF2)          Discovered 2002-Sep-26 by NEAT at Palomar
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Alternate Designations
 2002 SF2 = 2012 SW3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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