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 ]  
72826 (2001 HD7)
Classification: Outer Main-belt Asteroid          SPK-ID: 2072826
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1607787559234123 5.3874e-08  
a 3.229277238162863 3.2412e-08 au
q 2.710078061279245 1.7816e-07 au
i 21.69885980945778 5.4793e-06 deg
node 213.2431399408659 1.6683e-05 deg
peri 279.6223060384979 2.4451e-05 deg
M 212.6604027620601 2.156e-05 deg
tp 2460068.007826486732
(2023-May-03.50782649)
0.00013367 TDB
period 2119.612265743358
5.80
3.1911e-05
8.737e-08
d
yr
n .1698423838256788 2.557e-09 deg/d
Q 3.748476415046481 3.7623e-08 au
  Orbit Determination Parameters
   # obs. used (total)      619  
   data-arc span      8102 days (22.18 yr)  
   first obs. used      1998-10-17  
   last obs. used      2020-12-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .506  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:04:16  

Additional Information
 Earth MOID = 1.82229 au 
 Jupiter MOID = 1.65343 au 
 T_jup = 3.056 
[ 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 14.16   n/a MPCxxxxx  

72826 (2001 HD7)          Discovered 2001-Apr-18 by Spacewatch at Kitt Peak
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 HD7 = 1998 UV13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-14 05:12 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin