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530520 (2011 LT17)
Classification: Apollo [NEO, PHA]          SPK-ID: 2530520
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2873449275341962 9.4818e-08  
a 1.099675227625721 1.7058e-08 au
q .7836891290324575 9.6704e-08 au
i 20.89758095155779 2.0205e-05 deg
node 83.46557587716823 3.5805e-06 deg
peri 270.586587048476 9.7897e-06 deg
M 29.66528652144208 6.8819e-05 deg
tp 2459165.791077144087
(2020-Nov-12.29107714)
7.9713e-05 TDB
period 421.2065243023076
1.15
9.8006e-06
2.683e-08
d
yr
n .8546876157635713 1.9887e-08 deg/d
Q 1.415661326218984 2.196e-08 au
  Orbit Determination Parameters
   # obs. used (total)      112  
   data-arc span      3103 days (8.50 yr)  
   first obs. used      2011-06-09  
   last obs. used      2019-12-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .36039  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 19:46:50  

Additional Information
 Earth MOID = .00421361 au 
 Jupiter MOID = 4.06354 au 
 T_jup = 5.554 
[ 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 21.6   n/a MPO252096  
rotation period rot_per 1.291 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Skiff, B.A. (2011) Posting on CALL web site. http://www.minorplanet.info/call.html]

530520 (2011 LT17)          Discovered 2011-Jun-09 by CSS at Catalina
Reference: Last Updated: 2019-05-29

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