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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 ]

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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 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 
[ show covariance matrix ]

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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