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36174 (1999 SW2)
Classification: Main-belt Asteroid          SPK-ID: 2036174
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09232116895228748 4.8033e-08  
a 2.942912266033876 1.608e-08 au
q 2.671219165509604 1.4237e-07 au
i 1.391188280196776 5.6347e-06 deg
node 13.40922285300306 0.00014623 deg
peri 155.6615177145154 0.00014787 deg
M 245.3205084579464 2.2837e-05 deg
tp 2459587.918550815250
(2022-Jan-08.41855081)
0.00011873 TDB
period 1844.014788083904
5.05
1.5113e-05
4.138e-08
d
yr
n .1952262000968398 1.6e-09 deg/d
Q 3.214605366558149 1.7564e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1485  
   data-arc span      16316 days (44.67 yr)  
   first obs. used      1976-02-27  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51185  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 00:36:48  

Additional Information
 Earth MOID = 1.67746 au 
 Jupiter MOID = 1.75266 au 
 T_jup = 3.265 
[ 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 13.8   n/a MPO351083  

36174 (1999 SW2)          Discovered 1999-Sep-23 by Wolf, M., Sarounova, L. at Ondrejov
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1999 SW2 = 1976 DG1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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