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150898 (2001 SW304)
Classification: Main-belt Asteroid          SPK-ID: 2150898
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2069280356751506 1.9134e-07  
a 2.539609400708619 1.5776e-08 au
q 2.014093016037838 4.956e-07 au
i 3.538704682497643 3.9034e-06 deg
node 225.4643496282589 0.00012669 deg
peri 276.5223732549484 0.00012765 deg
M 161.3949622601425 1.787e-05 deg
tp 2458537.770519785898
(2019-Feb-23.27051979)
7.7182e-05 TDB
period 1478.2531594296
4.05
1.3774e-05
3.771e-08
d
yr
n .2435306819428074 2.2692e-09 deg/d
Q 3.0651257853794 1.904e-08 au
  Orbit Determination Parameters
   # obs. used (total)      642  
   data-arc span      7395 days (20.25 yr)  
   first obs. used      1999-03-22  
   last obs. used      2019-06-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50053  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:20:30  

Additional Information
 Earth MOID = 1.03038 au 
 Jupiter MOID = 1.97915 au 
 T_jup = 3.413 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456882.5 (2014-Aug-13.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2076483580611941 1.8872e-07  
q 2.009729176111279 4.8796e-07 au
tp 2457060.521967266524
(2015-Feb-07.02196727)
8.4125e-05 TDB
node 225.6933815614832 0.00012644 deg
peri 275.9073453112385 0.00012739 deg
i 3.544167944309423 3.8971e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      642  
   data-arc span      7395 days (20.25 yr)  
   first obs. used      1999-03-22  
   last obs. used      2019-06-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50053  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:20:30  

Additional Information
 Jupiter MOID = 1.97915 au 
 T_jup = 3.413 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.561501148151338E-14 -9.207551436537505E-14 1.441086170648334E-11 2.075181290581979E-12 3.185783267723502E-12 -1.375553517845945E-13
q -9.207551436537505E-14 2.381032551383678E-13 -3.726952853760373E-11 -5.364678202439761E-12 -8.243103499625116E-12 3.558087990062765E-13
tp 1.441086170648334E-11 -3.726952853760373E-11 7.076937240842843E-9 8.486673044681534E-10 1.68873815588196E-9 -5.578875569185903E-11
node 2.075181290581979E-12 -5.364678202439761E-12 8.486673044681534E-10 1.598600355029518E-8 -1.564727991072569E-8 -2.531233802121864E-10
peri 3.185783267723502E-12 -8.243103499625116E-12 1.68873815588196E-9 -1.564727991072569E-8 1.622912587298191E-8 2.323504743398334E-10
i -1.375553517845945E-13 3.558087990062765E-13 -5.578875569185903E-11 -2.531233802121864E-10 2.323504743398334E-10 1.518748990848931E-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 16.34   n/a MPCxxxxx  

150898 (2001 SW304)          Discovered 2001-Sep-20 by LINEAR at Socorro
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

[ show close-approach data ]
Alternate Designations
 2001 SW304 = 1999 FB61 = 1999 FZ61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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