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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 
[ 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 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 ]
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