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70017 (1998 YL9)
Classification: Main-belt Asteroid          SPK-ID: 2070017
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1355383029958858 4.9229e-08  
a 3.130233393736138 2.5287e-08 au
q 2.70596687156809 1.5184e-07 au
i 10.79312540193807 4.5307e-06 deg
node 266.9348995118474 3.3358e-05 deg
peri 196.8890853729425 4.3261e-05 deg
M 311.0656222795706 2.6624e-05 deg
tp 2459275.463518434162
(2021-Mar-01.96351843)
0.00015073 TDB
period 2022.849196158732
5.54
2.4512e-05
6.711e-08
d
yr
n .1779668008290574 2.1565e-09 deg/d
Q 3.554499915904187 2.8714e-08 au
  Orbit Determination Parameters
   # obs. used (total)      833  
   data-arc span      8826 days (24.16 yr)  
   first obs. used      1996-07-23  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47406  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 18:38:57  

Additional Information
 Earth MOID = 1.72483 au 
 Jupiter MOID = 1.64614 au 
 T_jup = 3.172 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457085.5 (2015-Mar-04.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1325220074357702 5.0478e-08  
q 2.716477248546545 1.5579e-07 au
tp 2457255.445348645390
(2015-Aug-20.94534865)
0.00014771 TDB
node 267.1324071334694 3.3394e-05 deg
peri 197.4113255405854 4.3653e-05 deg
i 10.78048074356977 4.5311e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      833  
   data-arc span      8826 days (24.16 yr)  
   first obs. used      1996-07-23  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47406  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 18:38:57  

Additional Information
 Jupiter MOID = 1.64614 au 
 T_jup = 3.172 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.548040228760064E-15 -7.786646144790347E-15 4.250797019245525E-12 2.174881394770977E-14 8.504885573349019E-13 2.25953351390043E-16
q -7.786646144790347E-15 2.427101291457507E-14 -1.278500283659105E-11 -5.841992813785784E-14 -2.579565260013851E-12 1.073472957022912E-15
tp 4.250797019245525E-12 -1.278500283659105E-11 2.181836915173376E-8 9.733012372698499E-11 4.220205801722814E-9 5.124352254697691E-12
node 2.174881394770977E-14 -5.841992813785784E-14 9.733012372698499E-11 1.115166033315344E-9 -1.07598479683949E-9 3.688349779354388E-11
peri 8.504885573349019E-13 -2.579565260013851E-12 4.220205801722814E-9 -1.07598479683949E-9 1.905567253146306E-9 -3.530208260470775E-11
i 2.25953351390043E-16 1.073472957022912E-15 5.124352254697691E-12 3.688349779354388E-11 -3.530208260470775E-11 2.053054760498883E-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 14.2   n/a MPO412615  
diameter diameter 5.945 km 0.494 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.095   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70017 (1998 YL9)          Discovered 1998-Dec-26 by Comba, P. G. at Prescott
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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