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441826 (2009 SR64)
Classification: Main-belt Asteroid          SPK-ID: 2441826
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05321912958506134 9.5895e-08  
a 3.164687247251767 6.5528e-08 au
q 2.996265346544084 3.4115e-07 au
i 9.424003069502088 9.9822e-06 deg
node 175.3833628921505 3.7367e-05 deg
peri 272.4803961177768 0.00010856 deg
M 269.8421539278248 0.0001085 deg
tp 2459715.486268393889
(2022-May-15.98626839)
0.00062691 TDB
period 2056.338573942675
5.63
6.3868e-05
1.749e-07
d
yr
n .1750684466856846 5.4374e-09 deg/d
Q 3.33310914795945 6.9015e-08 au
  Orbit Determination Parameters
   # obs. used (total)      115  
   data-arc span      7124 days (19.50 yr)  
   first obs. used      2001-03-21  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53588  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 08:52:11  

Additional Information
 Earth MOID = 2.03199 au 
 Jupiter MOID = 1.79728 au 
 T_jup = 3.181 
[ 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 16.3   n/a MPO440828  

441826 (2009 SR64)          Discovered 2007-Apr-19 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

[ 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
1901-Sep-07 00:00 00:12 Jupiter 1.97702641217995 1.97702381499061 1.97702900937175 2.89337236129007 2.74130233135471 2415634.500096213 11.7918444677196 180.752966707629 49.7296104122065 -45.2590454051093 1876875.03634957 T 17 CATAB v2.0f-lin.ifort 2020-Nov-12 08:52:12 2020-Nov-12 08:52
1987-Jun-13 16:30 00:03 Jupiter 1.90621184536822 1.90621023712566 1.90621345361673 4.36449276422062 4.26146687659635 2446960.187464482 2.88122929049042 220.040915321707 39.7567536068134 73.3150079652784 1726844.61105029 T 17 CATAB v2.0f-lin.ifort 2020-Nov-12 08:52:12 2020-Nov-12 08:52
1998-Feb-21 15:41 00:02 Jupiter 1.84611827479511 1.84611745555568 1.84611909403486 3.74821570541962 3.62374054924658 2450866.153575177 1.89307950922858 158.637208170918 32.1361130068081 86.9962605504835 1503945.99524066 T 17 CATAB v2.0f-lin.ifort 2020-Nov-12 08:52:12 2020-Nov-12 08:52
2008-Oct-16 15:02 < 00:01 Jupiter 1.94002862008192 1.94002772230385 1.94002951786042 3.00962217725648 2.86087739049578 2454756.126458007 0.905441999822927 101.916312677847 26.6340097151497 -75.7146186118203 1838821.76355444 T 17 CATAB v2.0f-lin.ifort 2020-Nov-12 08:52:12 2020-Nov-12 08:52
2094-Jul-12 07:00 00:07 Jupiter 1.94454196910202 1.94454008218579 1.94454385605572 4.39440804989656 4.29414050123569 2486070.791545982 7.43013138532524 499.429723339378 40.5367019384622 80.5946196095725 1754414.46928393 T 17 CATAB v2.0f-lin.ifort 2020-Nov-12 08:52:12 2020-Nov-12 08:52
2105-Mar-22 06:18 00:08 Jupiter 1.8328452426102 1.8328444007213 1.83284608450326 3.91830026554441 3.79852686425794 2489975.762725035 8.43521915210912 605.906183406462 35.9329467861825 -88.0043628089666 1585723.32132511 T 17 CATAB v2.0f-lin.ifort 2020-Nov-12 08:52:12 2020-Nov-12 08:52
2115-Nov-21 13:05 00:10 Jupiter 1.90257615500929 1.90257394411291 1.90257836593151 3.20091967454039 3.05867477446924 2493872.045437472 9.94531472399597 396.392449424359 34.518387686087 -70.2643736084919 1507478.62176495 T 17 CATAB v2.0f-lin.ifort 2020-Nov-12 08:52:12 2020-Nov-12 08:52

Alternate Designations
 2009 SR64 = 2007 JD46 = 2012 DR57 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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