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JPL Small-Body Database Browser
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(2011 PU1)
Classification: Apollo [NEO]          SPK-ID: 3574830
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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 2457120.5 (2015-Apr-08.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2469151727172125 1.2051e-08  
a 1.306089480592121 3.1558e-09 au
q .9835961709075831 1.7007e-08 au
i 4.347536195199416 2.3852e-06 deg
node 302.2920896856665 7.8372e-06 deg
peri 326.326969082636 1.0284e-05 deg
M 190.6652516144619 4.8506e-06 deg
tp 2457376.949236421617
(2015-Dec-20.44923642)
7.9071e-06 TDB
period 545.2024820185504
1.49
1.976e-06
5.41e-09
d
yr
n .6603051377666895 2.3931e-09 deg/d
Q 1.628582790276659 3.935e-09 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] -2.998772533948675E-13 4.996E-14
ALN [SET] 1. n/a
NK [SET] 0. n/a
NM [SET] 2. n/a
R0 [SET] 1. n/a
  Orbit Determination Parameters
   # obs. used (total)      110  
   data-arc span      2090 days (5.72 yr)  
   first obs. used      2011-08-06  
   last obs. used      2017-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38765  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jan-14 16:03:23  

Additional Information
 Earth MOID = .00120917 au 
 Jupiter MOID = 3.45163 au 
 T_jup = 4.952 
 Nongravitational accels. using nonstandard g(r) = (1 au/ r)^2 
[ 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 25.6   n/a MPO307035  

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