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JPL Small-Body Database Browser
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312355 (2008 DD23)
Classification: Main-belt Asteroid          SPK-ID: 2312355
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2013727570641316 5.949e-08  
a 2.646048733300913 2.6058e-08 au
q 2.113206604550055 1.6148e-07 au
i 12.36415094304101 5.1428e-06 deg
node 305.4982706416845 3.1266e-05 deg
peri 210.9361523475342 3.625e-05 deg
M 222.1149075843124 2.1905e-05 deg
tp 2459202.657359162407
(2020-Dec-19.15735916)
0.00010213 TDB
period 1572.154360566706
4.30
2.3224e-05
6.358e-08
d
yr
n .2289851486785514 3.3825e-09 deg/d
Q 3.17889086205177 3.1305e-08 au
  Orbit Determination Parameters
   # obs. used (total)      229  
   data-arc span      6199 days (16.97 yr)  
   first obs. used      2002-12-12  
   last obs. used      2019-12-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57113  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 19:05:04  

Additional Information
 Earth MOID = 1.1342 au 
 Jupiter MOID = 1.89147 au 
 T_jup = 3.331 
[ 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 16.3   n/a MPO413277  

312355 (2008 DD23)          Discovered 2008-Feb-29 by Tozzi, F. at Grove Creek
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

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