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442281 (2011 RL3)
Classification: Main-belt Asteroid          SPK-ID: 2442281
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2069122078617559 5.9643e-08  
a 2.699637600058824 3.8786e-08 au
q 2.141049623804041 1.5315e-07 au
i 14.38651290329666 6.9572e-06 deg
node 131.5465589813188 2.5403e-05 deg
peri 334.6630280772747 3.135e-05 deg
M 279.8446592513467 1.6224e-05 deg
tp 2459361.233597753138
(2021-May-26.73359775)
7.5877e-05 TDB
period 1620.155238293483
4.44
3.4915e-05
9.559e-08
d
yr
n .2222009295721499 4.7885e-09 deg/d
Q 3.258225576313607 4.6811e-08 au
  Orbit Determination Parameters
   # obs. used (total)      186  
   data-arc span      3716 days (10.17 yr)  
   first obs. used      2009-05-01  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53569  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:42:57  

Additional Information
 Earth MOID = 1.16577 au 
 Jupiter MOID = 1.89124 au 
 T_jup = 3.293 
[ 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 16.6   n/a MPO450446  

442281 (2011 RL3)          Discovered 2009-May-01 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

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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
1926-Jun-23 20:25 00:05 Jupiter 1.92329345437054 1.92329179122651 1.92329511760946 3.78308269589717 3.66482065629815 2424690.350648532 5.3550388159877 721.422389247127 21.3740379740476 84.1570317187885 1997024.66362242 T 13 CATAB v2.0f-lin.ifort 2019-Sep-24 07:42:59 2019-Sep-24 07:42
1961-Dec-03 02:20 00:03 Jupiter 1.89947318733932 1.89947230406637 1.89947407063981 3.72926721495339 3.60771174419949 2437636.597409169 3.13454153838752 441.499813415496 21.2662655245204 85.6510689518292 1968009.82164411 T 13 CATAB v2.0f-lin.ifort 2019-Sep-24 07:42:59 2019-Sep-24 07:42
1997-May-15 19:07 00:01 Jupiter 1.89606754149905 1.89606695443647 1.8960681285641 3.68866338573909 3.56549936676461 2450584.296493494 1.03147684170256 182.328484962637 19.3060263319467 84.1974807216928 1963241.02447519 T 13 CATAB v2.0f-lin.ifort 2019-Sep-24 07:42:59 2019-Sep-24 07:42
2032-Oct-28 13:14 00:01 Jupiter 1.89076528185172 1.89076468941943 1.890765874284 3.64217070081776 3.51702289932232 2463534.051334224 1.14389855583208 175.937033709462 28.0665255091625 -89.6370693731972 2042307.19040006 T 13 CATAB v2.0f-lin.ifort 2019-Sep-24 07:42:59 2019-Sep-24 07:42
2068-Apr-09 22:22 00:03 Jupiter 1.89852510174143 1.8985241104566 1.89852609304418 3.59478720269357 3.46845783155529 2476481.432108936 3.27105707051986 392.048722676302 32.7869757489028 -84.1155822122955 2004216.89428819 T 13 CATAB v2.0f-lin.ifort 2019-Sep-24 07:42:59 2019-Sep-24 07:42
2103-Sep-20 15:05 00:06 Jupiter 1.92066620170657 1.92066426741663 1.92066813605524 3.5505191028861 3.42405853029479 2489427.128652725 5.52713224449262 589.21866411103 38.2005575117982 -80.5823305956398 2002901.97537008 T 13 CATAB v2.0f-lin.ifort 2019-Sep-24 07:42:59 2019-Sep-24 07:42
2139-Feb-24 13:50 00:08 Jupiter 1.94340020576756 1.94339663222539 1.94340377940132 3.48924792396362 3.36201721965577 2502368.076117366 7.93854643090263 722.823819005015 49.3542179798973 -75.182980356456 2015226.85426426 T 13 CATAB v2.0f-lin.ifort 2019-Sep-24 07:42:59 2019-Sep-24 07:42
2174-Jul-25 20:41 00:10 Jupiter 1.99069659728656 1.99069098544111 1.99070220921972 3.43067399904026 3.30432187631462 2515303.361849349 10.4436392236689 743.343543604019 68.8730213778268 -66.837328454129 2060986.34129765 T 13 CATAB v2.0f-lin.ifort 2019-Sep-24 07:42:59 2019-Sep-24 07:42
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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