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JPL Small-Body Database Browser
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268898 (2007 BT49)
Classification: Main-belt Asteroid          SPK-ID: 2268898
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09958004849278576 5.1905e-08  
a 2.370183786204148 1.7161e-08 au
q 2.134160769837124 1.1715e-07 au
i 5.823218443226944 4.9263e-06 deg
node 130.1985993750924 4.8059e-05 deg
peri 89.35183626283541 5.5285e-05 deg
M 50.96340170478808 2.6192e-05 deg
tp 2458411.819347684520
(2018-Oct-20.31934768)
9.6416e-05 TDB
period 1332.819877822072
3.65
1.4475e-05
3.963e-08
d
yr
n .2701040147962581 2.9334e-09 deg/d
Q 2.606206802571172 1.8869e-08 au
  Orbit Determination Parameters
   # obs. used (total)      266  
   data-arc span      5598 days (15.33 yr)  
   first obs. used      2004-04-30  
   last obs. used      2019-08-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51839  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:39:01  

Additional Information
 Earth MOID = 1.13599 au 
 Jupiter MOID = 2.3791 au 
 T_jup = 3.532 
[ 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 16.9   n/a MPO437235  

268898 (2007 BT49)          Discovered 2007-Jan-25 by Spacewatch at Kitt Peak
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

Alternate Designations
 2007 BT49 = 2004 HW74 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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