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 ]  
215777 (2004 HR37)
Classification: Main-belt Asteroid          SPK-ID: 2215777
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09318059225462609 4.0891e-08  
a 2.863955033602262 2.7668e-08 au
q 2.597090007380586 1.1245e-07 au
i 15.82679362537476 6.6371e-06 deg
node 73.87437895571028 1.5294e-05 deg
peri 87.43100800960227 4.2879e-05 deg
M 146.8879305028217 3.8149e-05 deg
tp 2458278.177188214744
(2018-Jun-08.67718821)
0.00018668 TDB
period 1770.303464365962
4.85
2.5653e-05
7.023e-08
d
yr
n .2033549655448111 2.9468e-09 deg/d
Q 3.130820059823938 3.0246e-08 au
  Orbit Determination Parameters
   # obs. used (total)      372  
   data-arc span      7435 days (20.36 yr)  
   first obs. used      1999-03-21  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52886  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 03:26:54  

Additional Information
 Earth MOID = 1.66503 au 
 Jupiter MOID = 2.0465 au 
 T_jup = 3.238 
[ 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 15.4   n/a MPO437031  

215777 (2004 HR37)          Discovered 2004-Apr-21 by Crni Vrh at Crni Vrh
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ show close-approach data ]
Alternate Designations
 2004 HR37 = 2002 XQ24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-May-27 09:55 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin