Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
136143 (2003 SQ251)
Classification: Main-belt Asteroid          SPK-ID: 2136143
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1453444002249552 3.3758e-08  
a 2.300511191653288 7.767e-09 au
q 1.966144772291644 7.8418e-08 au
i 4.192993653879146 3.8058e-06 deg
node 225.7164706850916 5.1086e-05 deg
peri 184.7591538279408 5.2795e-05 deg
M 268.8357064844676 1.3601e-05 deg
tp 2459323.243290429957
(2021-Apr-18.74329043)
4.8798e-05 TDB
period 1274.485657424512
3.49
6.4544e-06
1.767e-08
d
yr
n .2824668899981896 1.4305e-09 deg/d
Q 2.634877611014932 8.8959e-09 au
  Orbit Determination Parameters
   # obs. used (total)      662  
   data-arc span      8666 days (23.73 yr)  
   first obs. used      1996-11-05  
   last obs. used      2020-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58111  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 11:01:52  

Additional Information
 Earth MOID = .976645 au 
 Jupiter MOID = 2.71517 au 
 T_jup = 3.574 
[ 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 16.2   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 24 CATAB v2.0f-lin.ifort 2020-Aug-25 11:02:04 2020-Aug-25 11:02

Alternate Designations
 2003 SQ251 = 2001 DP103 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-29 13:58 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin