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385193 (1998 BT3)
Classification: Main-belt Asteroid          SPK-ID: 2385193
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .214444911889356 7.2537e-08  
a 3.064024700411693 2.9075e-08 au
q 2.406960193505097 2.2578e-07 au
i 1.95700905732852 7.8127e-06 deg
node 122.7848624018567 0.00024709 deg
peri 339.2342870088612 0.00024879 deg
M 114.3008994117333 2.5991e-05 deg
tp 2458578.509191538932
(2019-Apr-05.00919154)
0.00013663 TDB
period 1959.010753182217
5.36
2.7884e-05
7.634e-08
d
yr
n .1837662194631734 2.6157e-09 deg/d
Q 3.721089207318288 3.5311e-08 au
  Orbit Determination Parameters
   # obs. used (total)      112  
   data-arc span      8130 days (22.26 yr)  
   first obs. used      1998-01-18  
   last obs. used      2020-04-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55837  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:04:30  

Additional Information
 Earth MOID = 1.42379 au 
 Jupiter MOID = 1.44644 au 
 T_jup = 3.196 
[ 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 17.23   n/a E2021B25  

385193 (1998 BT3)          Discovered 1998-Jan-18 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-02-19

[ show close-approach data ]
Alternate Designations
 1998 BT3 = 2009 EZ15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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