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541514 (2011 QR70)
Classification: Main-belt Asteroid          SPK-ID: 2541514
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 .2684754069136073 3.0342e-07  
a 2.467044659775 6.7278e-08 au
q 1.804703840867865 7.0166e-07 au
i 7.99151333373688 6.0823e-06 deg
node 314.5442237189553 7.2849e-05 deg
peri 71.96071755608443 8.5583e-05 deg
M 115.0479923773297 1.6853e-05 deg
tp 2458748.185523539955
(2019-Sep-21.68552354)
7.8888e-05 TDB
period 1415.350308691721
3.88
5.7896e-05
1.585e-07
d
yr
n .2543539912269253 1.0405e-08 deg/d
Q 3.129385478682135 8.5341e-08 au
  Orbit Determination Parameters
   # obs. used (total)      92  
   data-arc span      4451 days (12.19 yr)  
   first obs. used      2007-10-13  
   last obs. used      2019-12-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51942  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:30  

Additional Information
 Earth MOID = .826289 au 
 Jupiter MOID = 2.41188 au 
 T_jup = 3.423 
[ 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 18.2   .35943 MPO535740 autocmod 2.8

541514 (2011 QR70)          Discovered 2011-Aug-25 by OAM Observatory at La Sagra
Reference: Last Updated: 2019-12-13

Alternate Designations
 2011 QR70 = 2015 TA258 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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