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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1104690551139844 4.4915e-08  
a 2.753155153070169 1.5947e-08 au
q 2.44901670472831 1.2309e-07 au
i 10.86333081094473 4.1718e-06 deg
node 110.7956440660222 3.2256e-05 deg
peri 131.2786238282714 4.0563e-05 deg
M 132.1766891047187 2.6217e-05 deg
tp 2458387.872024295272
(2018-Sep-26.37202430)
0.00012026 TDB
period 1668.570099217509
4.57
1.4498e-05
3.969e-08
d
yr
n .2157535965488206 1.8746e-09 deg/d
Q 3.057293601412028 1.7709e-08 au
  Orbit Determination Parameters
   # obs. used (total)      701  
   data-arc span      8063 days (22.08 yr)  
   first obs. used      1998-10-20  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57027  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:00:43  

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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