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70044 (1999 DD2)
Classification: Main-belt Asteroid          SPK-ID: 2070044
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .200955122564406 4.2369e-08  
a 2.152870124988875 1.1703e-08 au
q 1.720239845156488 9.536e-08 au
i 5.848251898530506 6.6115e-06 deg
node 326.5647739898348 4.3973e-05 deg
peri 311.8170854875177 4.9706e-05 deg
M 217.1240319229356 2.904e-05 deg
tp 2459658.411825118063
(2022-Mar-19.91182512)		 9.604e-05 TDB
period 1153.785757403141
3.16		 9.4083e-06
2.576e-08		 d
yr
n .312016332053069 2.5443e-09 deg/d
Q 2.585500404821262 1.4055e-08 au
   Orbit Determination Parameters
   # obs. used (total)      384  
   data-arc span      8011 days (21.93 yr)  
   first obs. used      1999-02-12  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56826  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-23 20:47:40  

Additional Information
 Earth MOID = .708762 au 
 Jupiter MOID = 2.56862 au 
 T_jup = 3.671 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.0   n/a MPO436272  

70044 (1999 DD2)          Discovered 1999-Feb-18 by Spacewatch at Kitt Peak
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 DD2 = 2000 SC229 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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