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73975 (1998 BD34)
Classification: Main-belt Asteroid          SPK-ID: 2073975
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1096075764604447 3.7007e-08  
a 3.076471971589847 1.8745e-08 au
q 2.739267334735398 1.1555e-07 au
i 11.06584774805496 5.0074e-06 deg
node 141.976543646944 2.403e-05 deg
peri 334.4871035018238 3.7796e-05 deg
M 86.6999521060054 2.6934e-05 deg
tp 2458725.827329393892
(2019-Aug-30.32732939)
0.00014769 TDB
period 1970.960274686961
5.40
1.8013e-05
4.932e-08
d
yr
n .1826520831614311 1.6693e-09 deg/d
Q 3.413676608444296 2.0799e-08 au
  Orbit Determination Parameters
   # obs. used (total)      611  
   data-arc span      9740 days (26.67 yr)  
   first obs. used      1994-06-11  
   last obs. used      2021-02-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52657  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:10:19  

Additional Information
 Earth MOID = 1.75955 au 
 Jupiter MOID = 1.66637 au 
 T_jup = 3.192 
[ 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 15.03   n/a MPCxxxxx  
diameter diameter 3.835 km 0.878 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.120   0.102 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

73975 (1998 BD34)          Discovered 1998-Jan-18 by Spacewatch at Kitt Peak
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 BD34 = 2002 XV13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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