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216869 (2008 DR24)
Classification: Main-belt Asteroid          SPK-ID: 2216869
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07061437913844358 4.0905e-08  
a 3.087766297362136 2.5198e-08 au
q 2.869725597349298 1.3887e-07 au
i 9.131984959573135 4.2969e-06 deg
node 157.8725707344781 2.9375e-05 deg
peri 149.4786779296328 4.7369e-05 deg
M 349.6885694552279 3.5814e-05 deg
tp 2459257.265109618799
(2021-Feb-11.76510962)
0.00019713 TDB
period 1981.823896697669
5.43
2.4259e-05
6.642e-08
d
yr
n .1816508523284391 2.2235e-09 deg/d
Q 3.305806997374974 2.6977e-08 au
  Orbit Determination Parameters
   # obs. used (total)      358  
   data-arc span      6798 days (18.61 yr)  
   first obs. used      2002-01-08  
   last obs. used      2020-08-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56699  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:56:36  

Additional Information
 Earth MOID = 1.85791 au 
 Jupiter MOID = 1.95135 au 
 T_jup = 3.203 
[ 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 15.60   n/a E2021B55  
diameter diameter 3.367 km 0.812 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.108   0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

216869 (2008 DR24)          Discovered 2008-Feb-28 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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