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115280 (2003 SM188)
Classification: Main-belt Asteroid          SPK-ID: 2115280
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07396701645624093 2.8046e-08  
a 2.278289895729877 7.7623e-09 au
q 2.109771589520338 6.6285e-08 au
i 5.634525614104001 4.3768e-06 deg
node 178.907425091538 2.9453e-05 deg
peri 246.9336228245405 4.2104e-05 deg
M 312.3246928556821 3.0551e-05 deg
tp 2459366.842376481568
(2021-Jun-01.34237648)
0.00010683 TDB
period 1256.064388889868
3.44
6.4192e-06
1.757e-08
d
yr
n .2866095107737067 1.4647e-09 deg/d
Q 2.446808201939417 8.3364e-09 au
  Orbit Determination Parameters
   # obs. used (total)      789  
   data-arc span      9376 days (25.67 yr)  
   first obs. used      1995-04-26  
   last obs. used      2020-12-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5607  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:42:51  

Additional Information
 Earth MOID = 1.12941 au 
 Jupiter MOID = 2.73876 au 
 T_jup = 3.597 
[ 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 16.40   n/a MPCxxxxx  

115280 (2003 SM188)          Discovered 2003-Sep-22 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ 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
2013-Jun-17 23:53 < 00:01 Iris 0.0304151459340493 0.0304141454125202 0.0304161464586757 4.16969873950013 4.16969869417088 2456461.495181534 0.456813007300855 60.2893359719857 44.4912488965297 -56.3793154878976 94811.6394059956 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 16:42:53 2021-Apr-13 16:42
2065-Jan-28 05:09 < 00:01 Iris 0.0317982128328474 0.0317905787665874 0.0318058477483308 3.85102074768473 3.85102070073918 2475313.714834786 0.665357835350832 461.150052527511 43.0944819910776 34.5836475168064 63188.9640356474 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 16:42:53 2021-Apr-13 16:42
2121-Sep-13 10:33 < 00:01 Iris 0.00337678609811108 0.00336761918821586 0.00338605943416492 4.11435090359992 4.11435048982117 2495994.939466087 0.421747283023778 1053.85762480885 39.7146732807482 -64.2318830865591 11448.452083206 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 16:42:53 2021-Apr-13 16:42
2147-Sep-25 02:03 00:07 Thisb 0.0201917593499166 0.0201711884782959 0.0202123324315307 3.63613766600888 3.63613757314212 2505502.585147114 7.2327735692767 1077.85011775962 31.9878985763358 -18.0019785385177 29282.2088641387 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 16:42:53 2021-Apr-13 16:42

Alternate Designations
 2003 SM188 = 1995 HC4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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