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(2008 DB)
Classification: Apollo [NEO]          SPK-ID: 3403149
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2329063576008384 1.0628e-07  
a 1.053479856448556 4.4945e-08 au
q .8081177002772688 9.0949e-08 au
i 4.223552712175474 7.2048e-06 deg
node 141.4413793013216 1.4627e-05 deg
peri 274.628717043816 1.5274e-05 deg
M 189.4080100290974 2.2798e-05 deg
tp 2459583.651759837799
(2022-Jan-04.15175984)
3.2801e-05 TDB
period 394.9460555158512
1.08
2.5275e-05
6.92e-08
d
yr
n .9115168893883316 5.8333e-08 deg/d
Q 1.298842012619843 5.5414e-08 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] -1.040763710396017E-12 1.421E-13
ALN [SET] 1. n/a
NK [SET] 0. n/a
NM [SET] 2. n/a
R0 [SET] 1. n/a
  Orbit Determination Parameters
   # obs. used (total)      74  
   data-arc span      4769 days (13.06 yr)  
   first obs. used      2008-02-18  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      1  
   norm. resid. RMS      .48399  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 01:27:38  

Additional Information
 Earth MOID = .00072123 au 
 Jupiter MOID = 3.99168 au 
 T_jup = 5.812 
 Nongravitational accels. using nonstandard g(r) = (1 au/ r)^2 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 25.8   n/a MPO477590  

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