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 ]  
437222 (2012 WM30)
Classification: Main-belt Asteroid          SPK-ID: 2437222
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06687332943435828 4.6572e-08  
a 2.974533097300378 5.0375e-08 au
q 2.775616165571208 1.4501e-07 au
i 4.246195021814584 7.0936e-06 deg
node 57.85363794650004 6.5064e-05 deg
peri 273.4945945557104 8.5455e-05 deg
M 254.6500074088021 5.8238e-05 deg
tp 2459548.851005238516
(2021-Nov-30.35100524)
0.00030881 TDB
period 1873.814672696611
5.13
4.7601e-05
1.303e-07
d
yr
n .1921214542961835 4.8805e-09 deg/d
Q 3.173450029029548 5.3744e-08 au
  Orbit Determination Parameters
   # obs. used (total)      275  
   data-arc span      4076 days (11.16 yr)  
   first obs. used      2009-02-27  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46928  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 03:40:21  

Additional Information
 Earth MOID = 1.7691 au 
 Jupiter MOID = 2.071 au 
 T_jup = 3.254 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457939.5 (2017-Jul-05.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06606085814650328 4.6642e-08  
q 2.779955086184794 1.4518e-07 au
tp 2457675.868321874051
(2016-Oct-14.36832187)
0.00029541 TDB
node 57.86147034281318 6.5046e-05 deg
peri 273.8021673556225 8.5859e-05 deg
i 4.246157356905975 7.0931e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      275  
   data-arc span      4076 days (11.16 yr)  
   first obs. used      2009-02-27  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46928  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 03:40:21  

Additional Information
 Jupiter MOID = 2.071 au 
 T_jup = 3.254 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.175507644009521E-15 -6.403438903064567E-15 3.254367706872795E-12 1.286054346523085E-14 6.835048985424538E-13 -3.219687056550585E-16
q -6.403438903064567E-15 2.107849229000816E-14 -5.681576006480779E-12 -3.393042426099201E-14 -1.219132831622748E-12 3.083768374378508E-15
tp 3.254367706872795E-12 -5.681576006480779E-12 8.72663733587159E-8 1.007109013859423E-10 1.656880240234984E-8 8.583377321252918E-12
node 1.286054346523085E-14 -3.393042426099201E-14 1.007109013859423E-10 4.230931489245464E-9 -4.199659102873616E-9 -1.295059981081689E-10
peri 6.835048985424538E-13 -1.219132831622748E-12 1.656880240234984E-8 -4.199659102873616E-9 7.37173956847446E-9 1.308525597637061E-10
i -3.219687056550585E-16 3.083768374378508E-15 8.583377321252918E-12 -1.295059981081689E-10 1.308525597637061E-10 5.031253481770087E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO434608  
diameter diameter 3.998 km 0.519 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.048   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

437222 (2012 WM30)          Discovered 2010-Feb-16 by WISE at WISE
Reference: Last Updated: 2015-06-04

Alternate Designations
 2012 WM30 = 2010 DJ80 = 2010 PL53 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jun-01 00:37 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin