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 ]  
351001 (2003 HM42)
Classification: Main-belt Asteroid          SPK-ID: 2351001
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1797238522398204 3.7271e-08  
a 2.320181597504363 1.4458e-08 au
q 1.903189622904939 8.765e-08 au
i 4.790739098309015 4.8615e-06 deg
node 111.4434113672515 5.9271e-05 deg
peri 131.7745920365501 6.1281e-05 deg
M 175.5990474552336 1.6167e-05 deg
tp 2457970.847330963270
(2017-Aug-05.34733096)
5.5944e-05 TDB
period 1290.866688277511
3.53
1.2066e-05
3.303e-08
d
yr
n .2788823999171997 2.6068e-09 deg/d
Q 2.737173572103788 1.7057e-08 au
  Orbit Determination Parameters
   # obs. used (total)      246  
   data-arc span      5652 days (15.47 yr)  
   first obs. used      2003-04-28  
   last obs. used      2018-10-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54697  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 04:55:40  

Additional Information
 Earth MOID = .893853 au 
 Jupiter MOID = 2.28855 au 
 T_jup = 3.552 
[ 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 17.0   n/a MPO455540  
diameter diameter 2.047 km 0.096 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

351001 (2003 HM42)          Discovered 2003-Apr-28 by LINEAR at Socorro
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31

[ 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
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin