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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1095272574502943 3.5475e-08  
a 3.076124791453986 1.7467e-08 au
q 2.739205279471173 1.0897e-07 au
i 11.06587482705923 4.3278e-06 deg
node 141.9774703282829 2.3319e-05 deg
peri 334.4121317747401 3.3747e-05 deg
M 122.5919261596139 2.3539e-05 deg
tp 2458725.436342477498
(2019-Aug-29.93634248)
0.00012792 TDB
period 1970.626649536132
5.40
1.6785e-05
4.595e-08
d
yr
n .1826830059792101 1.556e-09 deg/d
Q 3.4130443034368 1.9381e-08 au
  Orbit Determination Parameters
   # obs. used (total)      642  
   data-arc span      9860 days (27.00 yr)  
   first obs. used      1994-06-11  
   last obs. used      2021-06-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51997  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 08:41:30  

Additional Information
 Earth MOID = 1.76007 au 
 Jupiter MOID = 1.66699 au 
 T_jup = 3.192 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457344.5 (2015-Nov-18.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1108352231662545 3.5477e-08  
q 2.735063301424304 1.0914e-07 au
tp 2456756.355616438020
(2014-Apr-08.85561644)
0.00012497 TDB
node 141.993023156178 2.3319e-05 deg
peri 334.8918608301357 3.3516e-05 deg
i 11.0666349420056 4.3281e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      642  
   data-arc span      9860 days (27.00 yr)  
   first obs. used      1994-06-11  
   last obs. used      2021-06-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51997  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 08:41:30  

Additional Information
 Jupiter MOID = 1.66699 au 
 T_jup = 3.192 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.25860738848459E-15 -3.832726882262784E-15 1.994338390097307E-13 -2.625706016925465E-15 -1.716656773117357E-16 -9.092942836222204E-16
q -3.832726882262784E-15 1.191093060303724E-14 -6.169023371103511E-13 6.694400371346242E-15 1.50797954337212E-14 2.900401169451189E-15
tp 1.994338390097307E-13 -6.169023371103511E-13 1.56181099755948E-8 1.169954408951611E-11 3.03183896542554E-9 -6.928218953835718E-12
node -2.625706016925465E-15 6.694400371346242E-15 1.169954408951611E-11 5.437900644261423E-10 -5.310544928858412E-10 2.655803189319896E-11
peri -1.716656773117357E-16 1.50797954337212E-14 3.03183896542554E-9 -5.310544928858412E-10 1.123324191735625E-9 -2.739619627749645E-11
i -9.092942836222204E-16 2.900401169451189E-15 -6.928218953835718E-12 2.655803189319896E-11 -2.739619627749645E-11 1.873234958692849E-11

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

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