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 ]  
393804 (2005 QH71)
Classification: Mars-crossing Asteroid          SPK-ID: 2393804
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3152065044630989 4.9802e-08  
a 2.208147173282461 6.8921e-09 au
q 1.512124821452024 1.1262e-07 au
i 3.989157582531136 4.3644e-06 deg
node 178.9998589216853 5.9677e-05 deg
peri 160.5329971124345 6.0375e-05 deg
M 187.834536415161 7.8212e-06 deg
tp 2459573.670706074501
(2021-Dec-25.17070607)
2.7225e-05 TDB
period 1198.506656854209
3.28
5.6112e-06
1.536e-08
d
yr
n .3003738009640374 1.4063e-09 deg/d
Q 2.904169525112898 9.0645e-09 au
  Orbit Determination Parameters
   # obs. used (total)      378  
   data-arc span      5345 days (14.63 yr)  
   first obs. used      2005-08-03  
   last obs. used      2020-03-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51001  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:14:10  

Additional Information
 Earth MOID = .504384 au 
 Jupiter MOID = 2.50813 au 
 T_jup = 3.590 
[ 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 17.5   n/a MPO455792  

393804 (2005 QH71)          Discovered 2005-Aug-03 by LINEAR at Socorro
Reference: Last Updated: 2014-05-15
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-26 10:42 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin