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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
243454 (2009 HH92)
Classification: Main-belt Asteroid          SPK-ID: 2243454
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02885846375429569 5.5619e-08  
a 2.789103789674194 4.092e-08 au
q 2.708614539052913 1.5891e-07 au
i 5.225104160857446 7.9734e-06 deg
node 52.93057384107377 7.6333e-05 deg
peri 211.1903009783509 0.00016867 deg
M 19.1300110149161 0.00014939 deg
tp 2458510.091729804945
(2019-Jan-26.59172980)
0.00070612 TDB
period 1701.356953994541
4.66
3.7442e-05
1.025e-07
d
yr
n .2115958083662407 4.6566e-09 deg/d
Q 2.869593040295476 4.2101e-08 au
  Orbit Determination Parameters
   # obs. used (total)      186  
   data-arc span      6076 days (16.64 yr)  
   first obs. used      2001-09-23  
   last obs. used      2018-05-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64524  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 09:32:56  

Additional Information
 Earth MOID = 1.69436 au 
 Jupiter MOID = 2.13136 au 
 T_jup = 3.323 
[ 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 16.2   n/a MPO450092  
diameter diameter 4.197 km 0.348 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.033   0.002 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243454 (2009 HH92)          Discovered 2009-Apr-29 by Spacewatch at Kitt Peak
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-12 09:36 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin