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227807 (2007 BL18)
Classification: Main-belt Asteroid          SPK-ID: 2227807
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1597820892896441 5.0194e-08  
a 2.349194046779896 1.282e-08 au
q 1.97383491383861 1.1893e-07 au
i 2.669723147989677 5.4167e-06 deg
node 32.47179905594054 0.00011928 deg
peri 154.8335359388749 0.00012074 deg
M 263.7931145939398 2.0692e-05 deg
tp 2459551.963652944670
(2021-Dec-03.46365294)
7.7363e-05 TDB
period 1315.154466606516
3.60
1.0765e-05
2.947e-08
d
yr
n .2737321045860913 2.2406e-09 deg/d
Q 2.724553179721181 1.4868e-08 au
  Orbit Determination Parameters
   # obs. used (total)      260  
   data-arc span      7616 days (20.85 yr)  
   first obs. used      2000-03-11  
   last obs. used      2021-01-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57783  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:41:14  

Additional Information
 Earth MOID = .97464 au 
 Jupiter MOID = 2.22986 au 
 T_jup = 3.540 
[ 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 17.3   n/a MPO241430  

227807 (2007 BL18)          Discovered 2007-Jan-17 by NEAT at Palomar
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

Alternate Designations
 2007 BL18 = 2005 TH176 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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