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541143 (2013 HQ16)
Classification: Main-belt Asteroid          SPK-ID: 2541143
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 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09037412979292403 3.9754e-08  
a 2.626760269799079 2.3596e-08 au
q 2.389369096241361 1.0747e-07 au
i 7.685818770498815 5.533e-06 deg
node 142.9468436159101 3.6582e-05 deg
peri 125.1260636501834 5.3988e-05 deg
M 236.1578452373337 4.3203e-05 deg
tp 2459735.427696088927
(2022-Jun-04.92769609)
0.00019086 TDB
period 1554.995316102714
4.26
2.0953e-05
5.737e-08
d
yr
n .2315119513686178 3.1195e-09 deg/d
Q 2.864151443356798 2.5729e-08 au
  Orbit Determination Parameters
   # obs. used (total)      271  
   data-arc span      7177 days (19.65 yr)  
   first obs. used      2001-07-25  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59111  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 13:25:06  

Additional Information
 Earth MOID = 1.38125 au 
 Jupiter MOID = 2.23689 au 
 T_jup = 3.383 
[ 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 16.52   n/a MPCxxxxx  

541143 (2013 HQ16)          Discovered 2004-Jan-30 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-12-02

Alternate Designations
 2013 HQ16 = 2002 WA31 = 2009 LH3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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