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47300 (1999 WN4)
Classification: Main-belt Asteroid          SPK-ID: 2047300
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 .2159456964536763 4.2885e-08  
a 2.316338119883501 9.24e-09 au
q 1.816134871363059 9.9614e-08 au
i 3.965017278402983 4.099e-06 deg
node 299.0657052579822 6.3965e-05 deg
peri 107.2318656569696 6.4669e-05 deg
M 199.2006492621241 1.1271e-05 deg
tp 2459175.652681027394
(2020-Nov-22.15268103)
4.2642e-05 TDB
period 1287.660455217812
3.53
7.7048e-06
2.109e-08
d
yr
n .2795768081105703 1.6729e-09 deg/d
Q 2.816541368403943 1.1235e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1133  
   data-arc span      10274 days (28.13 yr)  
   first obs. used      1990-03-04  
   last obs. used      2018-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53377  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:41:35  

Additional Information
 Earth MOID = .830088 au 
 Jupiter MOID = 2.58863 au 
 T_jup = 3.546 
[ 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 15.2   n/a MPO296487  
diameter diameter 5.481 km 1.250 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.049   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

47300 (1999 WN4)          Discovered 1999-Nov-28 by Kobayashi, T. at Oizumi
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 WN4 = 1990 EV9 = 2002 NH14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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