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150855 (2001 SW111)
Classification: Main-belt Asteroid          SPK-ID: 2150855
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1839022889167944 4.8696e-08  
a 2.661857035768787 1.2295e-08 au
q 2.172335434121634 1.3266e-07 au
i 9.217997939644194 3.5802e-06 deg
node 257.1195112903175 3.0295e-05 deg
peri 117.332313161223 3.2669e-05 deg
M 169.8648342291777 1.1862e-05 deg
tp 2458452.026384761368
(2018-Nov-29.52638476)
5.0213e-05 TDB
period 1586.264177094896
4.34
1.099e-05
3.009e-08
d
yr
n .2269483262613347 1.5724e-09 deg/d
Q 3.15137863741594 1.4556e-08 au
  Orbit Determination Parameters
   # obs. used (total)      932  
   data-arc span      7084 days (19.39 yr)  
   first obs. used      2001-09-20  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50152  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:20:20  

Additional Information
 Earth MOID = 1.19104 au 
 Jupiter MOID = 2.39374 au 
 T_jup = 3.343 
[ 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 15.39   n/a E2021B55  

150855 (2001 SW111)          Discovered 2001-Sep-20 by LINEAR at Socorro
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

[ 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
1961-Apr-01 07:45 00:28 Iris 0.0107821068891485 0.010766256404684 0.0107979583688175 1.61592389990289 1.61592356995257 2437390.822830947 27.6964787597706 804.382702343305 56.6578415508506 -11.7046301603645 6078.34510406513 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 19:20:22 2021-Apr-13 19:20
2082-Dec-19 10:53 00:39 Iris 0.0423666008211247 0.0423446939364412 0.0423885077267956 1.51270204329371 1.51270195359297 2481847.953375883 38.9735448258913 1088.60902721319 60.2956653624339 -1.95829072647583 6811.61043965514 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 19:20:22 2021-Apr-13 19:20
2131-Aug-25 13:41 00:18 Eunom 0.0456466448104051 0.0456117556986175 0.0456816163103937 2.76754177580372 2.76754166468408 2499628.070149782 17.5080956919875 3514.0307499257 59.7067057181909 60.3552472745865 99189.5324939359 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 19:20:22 2021-Apr-13 19:20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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