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115421 (2003 SN306)
Classification: Main-belt Asteroid          SPK-ID: 2115421
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1108970548984795 4.0054e-08  
a 2.241322330992098 8.4991e-09 au
q 1.99276628540688 9.0173e-08 au
i 6.453505748670809 3.9545e-06 deg
node 310.0661713152785 3.5027e-05 deg
peri 237.821932872631 3.8759e-05 deg
M 256.2263830917246 1.721e-05 deg
tp 2459553.796518007389
(2021-Dec-05.29651801)
5.9432e-05 TDB
period 1225.617360866194
3.36
6.9713e-06
1.909e-08
d
yr
n .2937295207254352 1.6707e-09 deg/d
Q 2.489878376577317 9.4416e-09 au
  Orbit Determination Parameters
   # obs. used (total)      949  
   data-arc span      8890 days (24.34 yr)  
   first obs. used      1996-10-07  
   last obs. used      2021-02-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51104  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:43:29  

Additional Information
 Earth MOID = 1.00268 au 
 Jupiter MOID = 2.49895 au 
 T_jup = 3.618 
[ 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 15.71   n/a MPCxxxxx  
rotation period rot_per 7.400 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

115421 (2003 SN306)          Discovered 2003-Sep-30 by LINEAR at Socorro
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
2118-Mar-18 04:46 00:08 Amphi 0.00827279448838763 0.0082718819088897 0.0082737091987886 2.81603738946035 2.81603714269601 2494719.698553410 7.6255278914978 1164.67845022073 44.7720565099623 89.6003715784573 27610.8240744897 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 16:43:31 2021-Apr-13 16:43
2127-Apr-14 14:31 < 00:01 Juno 0.018683924185464 0.0186575401251315 0.0187103089565547 8.50683255728269 8.50683248073889 2498034.104705287 0.338694179133162 1327.88713146169 42.357052096093 -7.8695869077212 9267.84276612308 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 16:43:31 2021-Apr-13 16:43
2134-Jun-13 13:34 00:09 Thisb 0.0392925248145132 0.0392773999216887 0.039307658639139 3.69469953499283 3.6946994880266 2500651.065260157 8.69646071010334 1201.58347512763 47.4811396968051 -51.1845698315279 96443.8961381649 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 16:43:31 2021-Apr-13 16:43
2170-Nov-24 15:31 < 00:01 Juno 0.0343075898823724 0.0342710243197343 0.034344155448303 8.86019026281035 8.86019022278707 2513964.146578492 0.60527853989241 1823.12545345862 43.3124639122177 0.579018372070039 3057.43829916882 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 16:43:31 2021-Apr-13 16:43
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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