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66170 (1998 VJ30)
Classification: Main-belt Asteroid          SPK-ID: 2066170
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1464835705161119 5.3365e-08  
a 3.165598169234974 2.6163e-08 au
q 2.701890046586168 1.6605e-07 au
i 12.2071212367149 5.9685e-06 deg
node 75.74704447263298 2.2409e-05 deg
peri 334.8947781998122 2.8559e-05 deg
M 297.349719912829 1.6298e-05 deg
tp 2459358.516153440293
(2021-May-24.01615344)
9.368e-05 TDB
period 2057.226481017724
5.63
2.5504e-05
6.983e-08
d
yr
n .174992886452592 2.1694e-09 deg/d
Q 3.62930629188378 2.9995e-08 au
  Orbit Determination Parameters
   # obs. used (total)      904  
   data-arc span      7218 days (19.76 yr)  
   first obs. used      1998-10-19  
   last obs. used      2018-07-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54668  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:09:43  

Additional Information
 Earth MOID = 1.71886 au 
 Jupiter MOID = 1.73985 au 
 T_jup = 3.152 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456627.5 (2013-Dec-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1487941957316332 5.4061e-08  
q 2.69628081104677 1.6848e-07 au
tp 2457277.224782280738
(2015-Sep-11.72478228)
8.8965e-05 TDB
node 75.95470009772885 2.2521e-05 deg
peri 331.513786635319 2.8268e-05 deg
i 12.18027026988793 5.9602e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      904  
   data-arc span      7218 days (19.76 yr)  
   first obs. used      1998-10-19  
   last obs. used      2018-07-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54668  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:09:43  

Additional Information
 Jupiter MOID = 1.73985 au 
 T_jup = 3.152 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.922544301017593E-15 -9.04055208133994E-15 3.177482880236744E-13 -2.625110790491085E-15 1.21248455345893E-14 -7.393864915392281E-16
q -9.04055208133994E-15 2.838549551354069E-14 -1.013781240472905E-12 -2.628241065091244E-16 -6.986713987559511E-14 4.109629362279622E-15
tp 3.177482880236744E-13 -1.013781240472905E-12 7.914830728658568E-9 -1.084019982183544E-11 1.537677311953391E-9 -3.363561908453319E-13
node -2.625110790491085E-15 -2.628241065091244E-16 -1.084019982183544E-11 5.071889496338388E-10 -4.970574359509397E-10 -2.354882894531668E-11
peri 1.21248455345893E-14 -6.986713987559511E-14 1.537677311953391E-9 -4.970574359509397E-10 7.991003692955685E-10 2.291796607984478E-11
i -7.393864915392281E-16 4.109629362279622E-15 -3.363561908453319E-13 -2.354882894531668E-11 2.291796607984478E-11 3.552347432419186E-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 13.7   n/a MPO449420  
diameter diameter 15.227 km 4.826 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.033   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

66170 (1998 VJ30)          Discovered 1998-Nov-10 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 VJ30 = 2000 ET166 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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