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74429 (1999 BU7)
Classification: Main-belt Asteroid          SPK-ID: 2074429
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1104690576828292 4.5299e-08  
a 2.753155154318944 1.6137e-08 au
q 2.449016698766706 1.2388e-07 au
i 10.86333148614522 4.3376e-06 deg
node 110.7956487657002 3.3344e-05 deg
peri 131.2786153432608 4.2196e-05 deg
M 132.1766923500786 2.7142e-05 deg
tp 2458387.872008836485
(2018-Sep-26.37200884)
0.0001248 TDB
period 1668.570100352753
4.57
1.467e-05
4.016e-08
d
yr
n .2157535964020285 1.8969e-09 deg/d
Q 3.057293609871182 1.792e-08 au
  Orbit Determination Parameters
   # obs. used (total)      665  
   data-arc span      8042 days (22.02 yr)  
   first obs. used      1998-10-20  
   last obs. used      2020-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57432  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:43:43  

Additional Information
 Earth MOID = 1.45034 au 
 Jupiter MOID = 2.03533 au 
 T_jup = 3.310 
[ 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 15.0   n/a MPO449470  
diameter diameter 2.991 km 0.479 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.217   0.076 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74429 (1999 BU7)          Discovered 1999-Jan-21 by Korlevic, K. at Visnjan
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 BU7 = 2000 JX65 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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