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JPL Small-Body Database Browser
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162911 (2001 LL5)
Classification: Apollo [NEO]          SPK-ID: 2162911
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 68 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3394584225449429 7.0426e-08  
a 1.204323040853064 3.9986e-09 au
q .7955054411705543 8.673e-08 au
i 7.952172708046689 5.3724e-06 deg
node 281.859821493466 5.9479e-05 deg
peri 205.121817241042 6.1242e-05 deg
M 205.5175173974077 1.2277e-05 deg
tp 2459207.652252073846
(2020-Dec-24.15225207)
1.6754e-05 TDB
period 482.7395928017868
1.32
2.4042e-06
6.582e-09
d
yr
n .7457436791347177 3.7141e-09 deg/d
Q 1.613140640535574 5.356e-09 au
  Orbit Determination Parameters
   # obs. used (total)      238  
   data-arc span      5635 days (15.43 yr)  
   first obs. used      2001-06-06  
   last obs. used      2016-11-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48909  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-21 06:13:33  

Additional Information
 Earth MOID = .100271 au 
 Jupiter MOID = 3.46033 au 
 T_jup = 5.217 
[ 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 19.2   n/a MPO390822  

162911 (2001 LL5)          Discovered 2001-Jun-06 by NEAT at Palomar
Reference: 20070926/Numbers.arcLast Updated: 2007-09-30

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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