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(2015 DR215)
Classification: Atira [NEO, PHA]          SPK-ID: 3712675
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4715264122273818 1.5432e-07  
a .6664033637379837 9.2719e-08 au
q .3521765765383533 1.267e-07 au
i 4.088231479109735 2.3631e-05 deg
node 314.9516210687241 0.00032603 deg
peri 42.27854248360387 0.00032532 deg
M 69.75996984091536 0.00073313 deg
tp 2459161.995810941444
(2020-Nov-08.49581094)
0.00039666 TDB
period 198.7028964130948
0.54
4.1469e-05
1.135e-07
d
yr
n 1.811750138012963 3.7811e-07 deg/d
Q .9806301509376141 1.3644e-07 au
  Orbit Determination Parameters
   # obs. used (total)      44  
   data-arc span      2156 days (5.90 yr)  
   first obs. used      2015-02-18  
   last obs. used      2021-01-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      2  
   norm. resid. RMS      .56779  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 13:04:21  

Additional Information
 Earth MOID = .0448828 au 
 Jupiter MOID = 4.46293 au 
 T_jup = 8.438 
[ 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 20.44   n/a E2021-AI4  

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