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541517 (2011 QR79)
Classification: Main-belt Asteroid          SPK-ID: 2541517
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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .127928994189922 5.2889e-08  
a 2.458842187844222 2.3835e-08 au
q 2.144284979881564 1.2835e-07 au
i 4.636661723388577 6.4088e-06 deg
node 63.62058429951341 7.5828e-05 deg
peri 262.9054429736412 8.2614e-05 deg
M 164.7754137780051 3.3647e-05 deg
tp 2458555.908876068206
(2019-Mar-13.40887607)
0.00012642 TDB
period 1408.297508074115
3.86
2.0477e-05
5.606e-08
d
yr
n .2556278044490115 3.717e-09 deg/d
Q 2.773399395806881 2.6885e-08 au
  Orbit Determination Parameters
   # obs. used (total)      89  
   data-arc span      3468 days (9.49 yr)  
   first obs. used      2011-08-23  
   last obs. used      2021-02-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57838  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:30  

Additional Information
 Earth MOID = 1.13666 au 
 Jupiter MOID = 2.53185 au 
 T_jup = 3.475 
[ 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 18.06   .16436 MPCxxxxx autocmod 2.8

541517 (2011 QR79)          Discovered 2011-Aug-23 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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