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186446 (2002 SM30)
Classification: Main-belt Asteroid          SPK-ID: 2186446
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2302433960612369 5.0461e-08  
a 2.377934446961017 1.1464e-08 au
q 1.830430744281713 1.2491e-07 au
i 6.106402479670518 4.4489e-06 deg
node 61.56220344735713 4.9215e-05 deg
peri 321.0494677675633 5.0462e-05 deg
M 338.8788970407937 1.3825e-05 deg
tp 2459279.080056540425
(2021-Mar-05.58005654)
5.1834e-05 TDB
period 1339.362835794638
3.67
9.6854e-06
2.652e-08
d
yr
n .268784522295942 1.9437e-09 deg/d
Q 2.925438149640321 1.4103e-08 au
  Orbit Determination Parameters
   # obs. used (total)      513  
   data-arc span      6604 days (18.08 yr)  
   first obs. used      2002-08-12  
   last obs. used      2020-09-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56996  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:51:18  

Additional Information
 Earth MOID = .837714 au 
 Jupiter MOID = 2.5364 au 
 T_jup = 3.496 
[ 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 16.03   n/a E2021B55  
diameter diameter 3.088 km 0.761 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.074   0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

186446 (2002 SM30)          Discovered 2002-Sep-28 by NEAT at Haleakala
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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