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 ]  
80034 (1999 JQ21)
Classification: Main-belt Asteroid          SPK-ID: 2080034
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1800833455950188 4.163e-08  
a 3.104166653794173 2.3654e-08 au
q 2.545157937494424 1.2878e-07 au
i 21.54184478262282 6.7703e-06 deg
node 228.5405360914768 1.3265e-05 deg
peri 85.35976986874475 2.2645e-05 deg
M 157.0010720327531 1.8097e-05 deg
tp 2457729.303568543849
(2016-Dec-06.80356854)
9.8684e-05 TDB
period 1997.634227992952
5.47
2.2833e-05
6.251e-08
d
yr
n .1802131716383818 2.0599e-09 deg/d
Q 3.663175370093922 2.7914e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1013  
   data-arc span      7229 days (19.79 yr)  
   first obs. used      1999-04-15  
   last obs. used      2019-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5496  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:35:56  

Additional Information
 Earth MOID = 1.64135 au 
 Jupiter MOID = 1.86026 au 
 T_jup = 3.090 
[ 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 13.3   n/a MPO385317  
diameter diameter 10.739 km 0.174 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.080   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

80034 (1999 JQ21)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ 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-Jan-19 13:36 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin