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541417 (2011 HO45)
Classification: Main-belt Asteroid          SPK-ID: 2541417
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03024984119485252 6.8075e-08  
a 3.079090298479675 4.9e-08 au
q 2.985948305926054 2.1991e-07 au
i 11.89868529938396 8.2015e-06 deg
node 113.6150369757766 3.6076e-05 deg
peri 359.6083821338348 0.00017806 deg
M 67.1065606140513 0.00016855 deg
tp 2459028.629853894552
(2020-Jun-28.12985389)
0.00092541 TDB
period 1973.476980285464
5.40
4.7108e-05
1.29e-07
d
yr
n .1824191534009816 4.3545e-09 deg/d
Q 3.172232291033296 5.0482e-08 au
  Orbit Determination Parameters
   # obs. used (total)      104  
   data-arc span      4504 days (12.33 yr)  
   first obs. used      2008-12-02  
   last obs. used      2021-04-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59224  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 09:00:54  

Additional Information
 Earth MOID = 2.00283 au 
 Jupiter MOID = 1.90826 au 
 T_jup = 3.195 
[ 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 16.69   n/a MPCxxxxx  

541417 (2011 HO45)          Discovered 2010-Feb-16 by Mount Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2019-12-13

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1926-Feb-13 04:24 00:06 Jupiter 1.96374205814966 1.96374085485862 1.96374326146526 4.30520967575682 4.20382785953371 2424559.683632003 6.27278782649529 448.900238849791 34.2636998960771 -84.5669325775166 2169993.28864933 T 21 CATAB v2.0g-lin.ifort 2021-Jul-09 09:00:55 2021-Jul-09 09:00
1985-Sep-18 18:23 00:02 Jupiter 1.94813697543404 1.94813624147638 1.9481377093917 4.19059326412898 4.08552323231797 2446327.266222951 2.2326618246184 173.510993356437 33.0470266465236 89.6935605960996 2030868.77693037 T 21 CATAB v2.0g-lin.ifort 2021-Jul-09 09:00:55 2021-Jul-09 09:00
2045-Apr-25 22:11 00:02 Jupiter 1.94365204779627 1.94365127944737 1.94365281614527 4.03429267056831 3.92478521875963 2468096.424380891 2.05737800596608 158.993378499434 33.6582316007234 86.8126824456416 1906966.43127235 T 21 CATAB v2.0g-lin.ifort 2021-Jul-09 09:00:55 2021-Jul-09 09:00
2104-Dec-04 14:14 00:06 Jupiter 1.94886798809845 1.94886711355923 1.94886886264322 3.84170335836927 3.72685377270155 2489868.093186751 6.38091422235207 430.582325820108 34.7066504195551 86.2015205900261 1772337.18102545 T 21 CATAB v2.0g-lin.ifort 2021-Jul-09 09:00:55 2021-Jul-09 09:00
2164-Jul-17 13:51 00:11 Jupiter 1.96123852134082 1.96123725158213 1.96123979115057 3.62787368646241 3.50680832249044 2511643.076985375 10.9441830815724 682.465533373593 34.7875508279103 84.0242106185462 1679789.54817702 T 21 CATAB v2.0g-lin.ifort 2021-Jul-09 09:00:55 2021-Jul-09 09:00

Alternate Designations
 2011 HO45 = 2015 AA54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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