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 ]  
27230 (1999 JD50)
Classification: Main-belt Asteroid          SPK-ID: 2027230
[ 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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04053941982258163 4.0009e-08  
a 2.524888833316508 1.204e-08 au
q 2.422531304897342 9.9735e-08 au
i 10.90868914064399 5.2397e-06 deg
node 78.06924474015328 2.1289e-05 deg
peri 45.08192666803643 6.7657e-05 deg
M 194.3145461611532 6.373e-05 deg
tp 2459674.940590915297
(2022-Apr-05.44059092)		 0.00025995 TDB
period 1465.419003925739
4.01		 1.0482e-05
2.87e-08		 d
yr
n .2456635262921998 1.7572e-09 deg/d
Q 2.627246361735675 1.2528e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1196  
   data-arc span      10225 days (27.99 yr)  
   first obs. used      1991-05-13  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53516  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:27:19  

Additional Information
 Earth MOID = 1.44998 au 
 Jupiter MOID = 2.45294 au 
 T_jup = 3.428 
[ 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 14.4   n/a MPO474122  
diameter diameter 3.732 km 0.069 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.220   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27230 (1999 JD50)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 JD50 = 2000 PM2 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-01 09:13 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin