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213995 (2004 BU74)
Classification: Main-belt Asteroid          SPK-ID: 2213995
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2265677528868101 7.3839e-08  
a 2.579417903837663 1.8986e-08 au
q 1.995004985609158 2.0221e-07 au
i 3.975635795851787 5.1843e-06 deg
node 246.8583435584972 6.5565e-05 deg
peri 171.7803698406213 6.8618e-05 deg
M 74.13192607342036 1.8635e-05 deg
tp 2458888.909810722739
(2020-Feb-09.40981072)
7.5577e-05 TDB
period 1513.146549419452
4.14
1.6706e-05
4.574e-08
d
yr
n .2379148273100984 2.6268e-09 deg/d
Q 3.163830822066168 2.3288e-08 au
  Orbit Determination Parameters
   # obs. used (total)      622  
   data-arc span      6825 days (18.69 yr)  
   first obs. used      2002-08-07  
   last obs. used      2021-04-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49539  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:39:51  

Additional Information
 Earth MOID = 1.00681 au 
 Jupiter MOID = 2.18774 au 
 T_jup = 3.385 
[ 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 16.49   n/a MPCxxxxx  

213995 (2004 BU74)          Discovered 2004-Jan-25 by NEAT at Haleakala
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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