Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458104.5 (2017-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03051442681183822 6.8428e-08  
q 2.983740904740069 2.2121e-07 au
tp 2459038.921699914674
(2020-Jul-08.42169991)
0.00091386 TDB
node 113.6304012541313 3.6079e-05 deg
peri 1.629239326156483 0.00017615 deg
i 11.89955112426102 8.202e-06 deg
  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
 Jupiter MOID = 1.90826 au 
 T_jup = 3.195 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.682372490305989E-15 -1.479297386601051E-14 7.782841122118216E-12 -1.497808609869351E-15 1.444141645301896E-12 -3.019261163541298E-15
q -1.479297386601051E-14 4.893498035032548E-14 -3.127507370604806E-11 9.029451171339891E-15 -6.023193705206331E-12 1.415046800091677E-14
tp 7.782841122118216E-12 -3.127507370604806E-11 8.351410156577701E-7 9.567855325075958E-11 1.575841197392685E-7 -3.644879507874285E-11
node -1.497808609869351E-15 9.029451171339891E-15 9.567855325075958E-11 1.301685047176759E-9 -1.256107229612042E-9 6.644330753451032E-11
peri 1.444141645301896E-12 -6.023193705206331E-12 1.575841197392685E-7 -1.256107229612042E-9 3.102945606916916E-8 -7.211966991269831E-11
i -3.019261163541298E-15 1.415046800091677E-14 -3.644879507874285E-11 6.644330753451032E-11 -7.211966991269831E-11 6.727325858411466E-11

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

[ show close-approach data ]
Alternate Designations
 2011 HO45 = 2015 AA54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jul-27 06:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin