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18071 (2000 BA27)
Classification: Jupiter Trojan          SPK-ID: 2018071
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0565505995516881 4.6286e-08  
a 5.289042673531799 8.1139e-08 au
q 4.989944139289112 2.8705e-07 au
i 3.648337677440884 5.6124e-06 deg
node 341.46519069 6.7897e-05 deg
peri 78.87551049177443 8.406e-05 deg
M 338.1971484918663 4.8129e-05 deg
tp 2459469.575917390345
(2021-Sep-12.07591739)
0.00059357 TDB
period 4442.87437468384
12.16
0.00010224
2.799e-07
d
yr
n .08102862463348809 1.8646e-09 deg/d
Q 5.588141207774486 8.5727e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1367  
   data-arc span      25339 days (69.37 yr)  
   first obs. used      1951-11-04  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47625  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:40:28  

Additional Information
 Earth MOID = 4.00422 au 
 Jupiter MOID = .121874 au 
 T_jup = 2.993 
[ 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 11.65   n/a E2021B10  
diameter diameter 22.183 km 0.166 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
geometric albedo albedo 0.082   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

18071 (2000 BA27)          Discovered 2000-Jan-30 by LINEAR at Socorro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 BA27 = 1997 WM40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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