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541685 (2011 UF399)
Classification: Main-belt Asteroid          SPK-ID: 2541685
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1193270273364638 5.5134e-07  
a 2.567091426285144 9.3439e-08 au
q 2.260768037485615 1.3501e-06 au
i 7.367100373880824 7.4814e-06 deg
node 78.29056910357002 7.6252e-05 deg
peri 145.0633795372856 0.00048325 deg
M 251.528090859799 0.00051807 deg
tp 2459653.163226211984
(2022-Mar-14.66322621)
0.0021426 TDB
period 1502.313020283328
4.11
8.2024e-05
2.246e-07
d
yr
n .2396304865494049 1.3083e-08 deg/d
Q 2.873414815084673 1.0459e-07 au
  Orbit Determination Parameters
   # obs. used (total)      77  
   data-arc span      4819 days (13.19 yr)  
   first obs. used      2007-11-08  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      1  
   norm. resid. RMS      .57621  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:24:06  

Additional Information
 Earth MOID = 1.25441 au 
 Jupiter MOID = 2.11645 au 
 T_jup = 3.410 
[ 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 17.43   n/a MPCxxxxx  

541685 (2011 UF399)          Discovered 2011-Oct-23 by Mount Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2019-12-13

Alternate Designations
 2011 UF399 = 2017 BT88 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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