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541501 (2011 PQ16)
Classification: Main-belt Asteroid          SPK-ID: 2541501
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1924411600226432 8.3747e-08  
a 2.44419727801748 2.4744e-08 au
q 1.973833118511609 1.9165e-07 au
i 2.243801710139509 5.1148e-06 deg
node 81.35295104140309 0.00019139 deg
peri 243.0928874775688 0.00019279 deg
M 160.1538105449582 2.5649e-05 deg
tp 2458579.577229535066
(2019-Apr-06.07722954)
9.2418e-05 TDB
period 1395.734491778617
3.82
2.1195e-05
5.803e-08
d
yr
n .2579287121730751 3.9167e-09 deg/d
Q 2.914561437523351 2.9506e-08 au
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      7938 days (21.73 yr)  
   first obs. used      1999-05-21  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60935  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:27  

Additional Information
 Earth MOID = .960997 au 
 Jupiter MOID = 2.41423 au 
 T_jup = 3.473 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.81   .33527 MPCxxxxx autocmod 2.8

541501 (2011 PQ16)          Discovered 2011-Aug-04 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2019-12-13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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