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146554 (2001 SE315)
Classification: Main-belt Asteroid          SPK-ID: 2146554
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbit Diagram
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Note: This Java-based orbit viewer will eventually be retired.

Note: Make sure you have Java enabled on your browser to see the applet. This applet is provided as a 3D orbit visualization tool. The applet 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. For accurate long-term ephemerides, please instead use our Horizons system.

Note: If the applet is not working, here are some notes that might help.
Orbit Viewer

Additional Notes: the orbits shown in the applet are color coded. The planets are white lines, and the asteroid/comet is a blue line. The bright white line indicates the portion of the orbit that is above the ecliptic plane, and the darker portion is below the ecliptic plane. Likewise for the asteroid/comet orbit, the light blue indicates the portion above the ecliptic plane, and the dark blue the portion below the ecliptic plane.

Orbit Viewer applet originally written and kindly provided by Osamu Ajiki (AstroArts), and further modified by Ron Baalke (JPL).


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2123439785398168 4.0019e-08  
a 2.707041291039383 1.6505e-08 au
q 2.132217373228518 1.1293e-07 au
i 10.5751681812552 5.6047e-06 deg
node 232.6107638147578 2.48e-05 deg
peri 250.6427630854716 2.8386e-05 deg
M 342.6463727258113 1.4956e-05 deg
tp 2459078.920302230013
(2020-Aug-17.42030223)
6.7833e-05 TDB
period 1626.824660732169
4.45
1.4878e-05
4.073e-08
d
yr
n .2212899820672612 2.0238e-09 deg/d
Q 3.281865208850248 2.001e-08 au
  Orbit Determination Parameters
   # obs. used (total)      566  
   data-arc span      7527 days (20.61 yr)  
   first obs. used      1999-06-18  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50386  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:38:01  

Additional Information
 Earth MOID = 1.17496 au 
 Jupiter MOID = 1.96677 au 
 T_jup = 3.308 
[ 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 15.5   n/a MPO359750  
diameter diameter 4.629 km 0.124 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.075   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146554 (2001 SE315)          Discovered 2001-Sep-25 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1902-Dec-24 09:30 00:03 Jupiter 1.98480311618629 1.98480231687119 1.98480391549935 1.4050916296636 1.05866644518462 2416107.895864920 3.38370455062953 256.5118022307 123.052312201716 -10.6764970474052 970582.490837222 T 20 CATAB v2.0f-lin.ifort 2020-Feb-24 08:38:06 2020-Feb-24 08:38
1938-Aug-20 07:35 00:02 Jupiter 1.99119497844553 1.99119428634536 1.99119567054457 1.45322923727313 1.12299028705946 2429130.815870450 2.28909260672643 219.649875963679 100.763073620564 -1.41196683924261 975810.654329248 T 20 CATAB v2.0f-lin.ifort 2020-Feb-24 08:38:06 2020-Feb-24 08:38
1974-Apr-21 10:13 00:01 Jupiter 1.99549046623386 1.99548983838532 1.99549109408183 1.53185846191948 1.2237866142656 2442158.925363856 1.23401737231236 148.609319114772 91.6534242508805 5.91603769403641 1167390.38244767 T 20 CATAB v2.0f-lin.ifort 2020-Feb-24 08:38:06 2020-Feb-24 08:38
2009-Dec-22 15:12 < 00:01 Jupiter 1.9978272760821 1.99782669067158 1.99782786149227 1.63208501113164 1.34750057290666 2455188.133143144 0.281955943661713 99.3168768050591 69.3416487872808 39.6614078234836 1573298.76356961 T 20 CATAB v2.0f-lin.ifort 2020-Feb-24 08:38:06 2020-Feb-24 08:38
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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