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(2009 RG2)
Classification: Apollo [NEO]          SPK-ID: 3467094
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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.


Orbital Elements at Epoch 2455090.5 (2009-Sep-16.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3749733210674482 0.0010182  
a 1.559856137160527 0.0024821 au
q .9749517010220035 3.6979e-05 au
i 3.070773984129322 0.0067457 deg
node 353.9443592079205 0.0012322 deg
peri 37.829832068168 0.0043399 deg
M 343.2398636012233 0.047734 deg
tp 2455123.628387221539
(2009-Oct-19.12838722)
0.015289 TDB
period 711.5824785664934
1.95
1.6984
0.00465
d
yr
n .5059146491707216 0.0012075 deg/d
Q 2.144760573299051 0.0034128 au
  Orbit Determination Parameters
   # obs. used (total)      36  
   data-arc span      7 days  
   first obs. used      2009-09-13  
   last obs. used      2009-09-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .41408  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:00:06  

Additional Information
 Earth MOID = .0102693 au 
 Jupiter MOID = 3.30759 au 
 T_jup = 4.349 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 25.7   n/a MPO162558  

[ 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
1939-Aug-23 11:18 6_15:06 Earth 0.324027919961985 0.139876304176855 0.509310482281166 16.0572272066977 16.0567150931126 2429498.970523841 9546.28573875058 9260469.41745365 32.5896911295321 4.88363828296523 134331.387048768 T 12 CATAB v2.0e-lin.ifort 2017-Nov-28 14:22:41 2018-Dec-11 15:22
1941-May-27 08:13 9_03:48 Mars 0.0667838414721585 0.0257163740204923 0.316370652301925 9.28071791113553 9.28025599405061 2430141.842522104 13188.1171746632 12650553.9661323 150.866981839183 22.6533594684211 25440.2274010481 T 12 CATAB v2.0e-lin.ifort 2017-Nov-28 14:22:41 2018-Dec-11 15:22
2005-Dec-27 11:27 4_14:19 Earth 0.49890166272701 0.330482466389794 0.67050274145577 21.2658900075958 21.2656388672971 2453731.977093784 6618.82851756498 8707777.95562505 232.923751024297 -12.4005326321695 60472.9555032702 T 12 CATAB v2.0e-lin.ifort 2017-Nov-28 14:22:41 2018-Dec-11 15:22
2007-Dec-07 22:56 5_22:53 Earth 0.165756383373786 0.0884122998245925 0.25222246136647 10.9774898441966 10.9760254162121 2454442.455516795 8573.36468310737 4526930.98539569 191.98465829894 -22.0370607576387 39801.409190492 T 12 CATAB v2.0e-lin.ifort 2017-Nov-28 14:22:41 2018-Dec-11 15:22
2009-Sep-21 01:05 < 00:01 Earth 0.0234237750165321 0.0232496652144117 0.0235978724395539 6.90660216916887 6.89011258214283 2455095.545413648 0.350589482456239 8640.11883137767 23.6416189323036 0.0168573217403452 233.783810360635 T 12 CATAB v2.0e-lin.ifort 2017-Nov-28 14:22:41 2018-Dec-11 15:22
2010-Mar-25 05:22 1_05:38 Mars 0.021390583486335 0.0207623015630113 0.0225252267846731 8.23925567079286 8.23763110092464 2455280.723700193 1778.05757553299 170410.272957359 658.659580430996 -74.8715049803834 5094.81000520723 T 12 CATAB v2.0e-lin.ifort 2017-Nov-28 14:22:41 2018-Dec-11 15:22
2011-Aug-20 02:15 3_02:43 Earth 0.393416517534248 0.30650428175954 0.480406519452185 18.1194794853876 18.1191057032624 2455793.593647947 4483.06605814936 4344665.3582493 48.2372487723882 3.5708237283011 73443.1761642525 T 12 CATAB v2.0e-lin.ifort 2017-Nov-28 14:22:41 2018-Dec-11 15:22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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