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541423 (2011 HS49)
Classification: Outer Main-belt Asteroid          SPK-ID: 2541423
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04876270625517519 6.1031e-08  
a 3.203618305999456 5.6883e-08 au
q 3.047401207590303 1.9757e-07 au
i 10.93901048347226 6.1851e-06 deg
node 89.4503558141304 3.3174e-05 deg
peri 144.7566095238419 7.7043e-05 deg
M 229.8123532437755 7.458e-05 deg
tp 2459957.902706863544
(2023-Jan-13.40270686)
0.00044688 TDB
period 2094.399747323487
5.73
5.5782e-05
1.527e-07
d
yr
n .171886957329926 4.578e-09 deg/d
Q 3.35983540440861 5.9657e-08 au
  Orbit Determination Parameters
   # obs. used (total)      159  
   data-arc span      4437 days (12.15 yr)  
   first obs. used      2008-11-24  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61814  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:11  

Additional Information
 Earth MOID = 2.03985 au 
 Jupiter MOID = 1.69532 au 
 T_jup = 3.163 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.25   .25655 MPCxxxxx autocmod 2.8

541423 (2011 HS49)          Discovered 2008-Nov-24 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-12-13

[ show close-approach data ]
Alternate Designations
 2011 HS49 = 2016 CX26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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