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136143 (2003 SQ251)
Classification: Main-belt Asteroid          SPK-ID: 2136143
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1453444160955373 2.9767e-08  
a 2.300511194460837 7.1936e-09 au
q 1.966144738180679 7.0603e-08 au
i 4.19299632595618 3.1261e-06 deg
node 225.7164781678446 5.0316e-05 deg
peri 184.7591459254377 5.2034e-05 deg
M 268.8357050633701 1.3492e-05 deg
tp 2459323.243296051795
(2021-Apr-18.74329605)
4.8336e-05 TDB
period 1274.485659757589
3.49
5.9779e-06
1.637e-08
d
yr
n .2824668894811049 1.3249e-09 deg/d
Q 2.634877650740994 8.2392e-09 au
  Orbit Determination Parameters
   # obs. used (total)      799  
   data-arc span      8776 days (24.03 yr)  
   first obs. used      1996-11-05  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5533  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:59:01  

Additional Information
 Earth MOID = .976645 au 
 Jupiter MOID = 2.71517 au 
 T_jup = 3.574 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457560.5 (2016-Jun-21.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1466861915211367 2.9855e-08  
q 1.961865720935585 7.0881e-08 au
tp 2458048.940732082340
(2017-Oct-22.44073208)
4.5621e-05 TDB
node 225.7686989639592 5.0246e-05 deg
peri 184.7109526441066 5.1925e-05 deg
i 4.196763042824996 3.1294e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      799  
   data-arc span      8776 days (24.03 yr)  
   first obs. used      1996-11-05  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5533  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:59:01  

Additional Information
 Jupiter MOID = 2.71517 au 
 T_jup = 3.574 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.913473804990449E-16 -2.109165361424559E-15 -1.707241987773747E-13 9.390021796703493E-15 -2.731071118693861E-14 -5.062875726071451E-16
q -2.109165361424559E-15 5.024186110841865E-15 4.70731299170427E-13 -2.127936477857888E-14 7.913148580807983E-14 1.368645028042057E-15
tp -1.707241987773747E-13 4.70731299170427E-13 2.081315197640732E-9 -8.126528669739748E-14 6.096092987923565E-10 2.908739001986135E-12
node 9.390021796703493E-15 -2.127936477857888E-14 -8.126528669739748E-14 2.52469990398484E-9 -2.517343287502844E-9 -1.753898201751282E-11
peri -2.731071118693861E-14 7.913148580807983E-14 6.096092987923565E-10 -2.517343287502844E-9 2.696253473484196E-9 1.832548196840538E-11
i -5.062875726071451E-16 1.368645028042057E-15 2.908739001986135E-12 -1.753898201751282E-11 1.832548196840538E-11 9.792845417659741E-12

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 16.2   n/a MPO436669  

136143 (2003 SQ251)          Discovered 2003-Sep-26 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ 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-18 19:44 < 00:01 Iris 0.049452162510221 0.0494510526387291 0.0494532723817866 2.36597049838315 2.36597044924957 2456462.322393766 0.740677326536736 55.5261657389895 43.1955070785897 -8.62882443003942 134000.380521512 T 26 CATAB v2.0f-lin.ifort 2020-Dec-17 22:59:02 2020-Dec-17 22:59

Alternate Designations
 2003 SQ251 = 2001 DP103 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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