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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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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 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

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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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