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 ]  
441446 (2008 HS57)
Classification: Main-belt Asteroid          SPK-ID: 2441446
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05271467629579101 1.0048e-07  
a 3.1270589975514 5.7279e-08 au
q 2.962217094737638 3.1937e-07 au
i 11.73915282162836 7.7253e-06 deg
node 119.7037607972362 5.355e-05 deg
peri 84.2352492995124 9.7685e-05 deg
M 84.70978045946781 7.6974e-05 deg
tp 2458525.237448886269
(2019-Feb-10.73744889)
0.00043591 TDB
period 2019.772893672046
5.53
5.5495e-05
1.519e-07
d
yr
n .1782378608643977 4.8972e-09 deg/d
Q 3.291900900365163 6.0298e-08 au
  Orbit Determination Parameters
   # obs. used (total)      83  
   data-arc span      4497 days (12.31 yr)  
   first obs. used      2007-01-17  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60016  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:36:23  

Additional Information
 Earth MOID = 1.98966 au 
 Jupiter MOID = 1.7961 au 
 T_jup = 3.180 
[ 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 16.3   n/a MPO437716  

441446 (2008 HS57)          Discovered 2008-Apr-30 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-04 23:15 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin