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437827 (2015 DW216)
Classification: Main-belt Asteroid          SPK-ID: 2437827
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2003794814471718 5.1136e-08  
a 3.038878881350424 3.82e-08 au
q 2.429949906924664 1.5147e-07 au
i 12.84264155374019 5.3903e-06 deg
node 178.0441134123629 2.2682e-05 deg
peri 289.7927780569891 2.6746e-05 deg
M 111.5429755402421 1.2542e-05 deg
tp 2458796.973701653222
(2019-Nov-09.47370165)
6.6653e-05 TDB
period 1934.944503313648
5.30
3.6485e-05
9.989e-08
d
yr
n .186051847680122 3.5081e-09 deg/d
Q 3.647807855776183 4.5855e-08 au
  Orbit Determination Parameters
   # obs. used (total)      286  
   data-arc span      6827 days (18.69 yr)  
   first obs. used      2002-10-04  
   last obs. used      2021-06-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53186  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 07:56:05  

Additional Information
 Earth MOID = 1.48194 au 
 Jupiter MOID = 1.65826 au 
 T_jup = 3.172 
[ 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 16.19   n/a MPCxxxxx  
diameter diameter 4.326 km 1.444 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.041   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

437827 (2015 DW216)          Discovered 2007-Sep-04 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-06-04

[ show close-approach data ]
Alternate Designations
 2015 DW216 = 2010 AR131 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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