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70001 (1998 XB7)
Classification: Main-belt Asteroid          SPK-ID: 2070001
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05836709706070622 4.2732e-08  
a 3.150244984635911 2.5253e-08 au
q 2.966374329852664 1.344e-07 au
i 9.931211511195663 4.8808e-06 deg
node 230.5776761096953 2.5162e-05 deg
peri 4.86247939692213 5.0617e-05 deg
M 162.2588534538143 4.6823e-05 deg
tp 2458280.006296359666
(2018-Jun-10.50629636)
0.00026171 TDB
period 2042.278287174291
5.59
2.4557e-05
6.723e-08
d
yr
n .1762737244286616 2.1196e-09 deg/d
Q 3.334115639419158 2.6727e-08 au
  Orbit Determination Parameters
   # obs. used (total)      682  
   data-arc span      8496 days (23.26 yr)  
   first obs. used      1997-10-07  
   last obs. used      2021-01-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57834  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:46:19  

Additional Information
 Earth MOID = 1.95377 au 
 Jupiter MOID = 1.66414 au 
 T_jup = 3.182 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457547.5 (2016-Jun-08.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05910166184441767 4.2334e-08  
q 2.963961578182903 1.3301e-07 au
tp 2458296.596118135966
(2018-Jun-27.09611814)
0.00026144 TDB
node 230.6222435294366 2.5173e-05 deg
peri 8.004323312798201 5.064e-05 deg
i 9.927429145349858 4.8829e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      682  
   data-arc span      8496 days (23.26 yr)  
   first obs. used      1997-10-07  
   last obs. used      2021-01-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57834  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:46:19  

Additional Information
 Jupiter MOID = 1.66414 au 
 T_jup = 3.182 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.792161274724314E-15 -5.541642614117738E-15 -1.244443377532416E-12 2.065586576617209E-15 -2.390055105878479E-13 1.173671780887155E-15
q -5.541642614117738E-15 1.769070408457783E-14 5.816535814728574E-12 -7.435020434066723E-15 1.034730502308896E-12 -2.445376565131185E-15
tp -1.244443377532416E-12 5.816535814728574E-12 6.835291206165131E-8 -2.853435958385278E-11 1.150478360124863E-8 2.38864042684093E-12
node 2.065586576617209E-15 -7.435020434066723E-15 -2.853435958385278E-11 6.336859082780221E-10 -6.288209586404667E-10 -2.199653375904071E-11
peri -2.390055105878479E-13 1.034730502308896E-12 1.150478360124863E-8 -6.288209586404667E-10 2.564408817759188E-9 2.19584552450057E-11
i 1.173671780887155E-15 -2.445376565131185E-15 2.38864042684093E-12 -2.199653375904071E-11 2.19584552450057E-11 2.384277045303152E-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 14.72   n/a MPCxxxxx  
diameter diameter 6.262 km 0.196 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.071   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70001 (1998 XB7)          Discovered 1998-Dec-08 by Spacewatch at Kitt Peak
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 XB7 = 2002 OF11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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