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70018 (1998 YP9)
Classification: Main-belt Asteroid          SPK-ID: 2070018
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1205493111419124 3.6674e-08  
a 3.156972183107955 1.9813e-08 au
q 2.776401361140111 1.2022e-07 au
i 4.762142375694324 5.0061e-06 deg
node 170.6891902329016 4.2214e-05 deg
peri 242.7806730611667 4.7663e-05 deg
M 342.947320332676 1.9677e-05 deg
tp 2459297.549810765480
(2021-Mar-24.04981077)
0.00011179 TDB
period 2048.823560705245
5.61
1.9288e-05
5.281e-08
d
yr
n .1757105916314634 1.6542e-09 deg/d
Q 3.537543005075798 2.2202e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1086  
   data-arc span      8071 days (22.10 yr)  
   first obs. used      1998-12-08  
   last obs. used      2021-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51776  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 06:39:34  

Additional Information
 Earth MOID = 1.79075 au 
 Jupiter MOID = 1.83522 au 
 T_jup = 3.189 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457307.5 (2015-Oct-12.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1197340292329057 3.7142e-08  
q 2.780472532050524 1.2091e-07 au
tp 2457222.727843664007
(2015-Jul-19.22784366)
0.0001182 TDB
node 171.1023128472967 4.1954e-05 deg
peri 238.8173629737423 4.7592e-05 deg
i 4.773119730593246 5.0267e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1086  
   data-arc span      8071 days (22.10 yr)  
   first obs. used      1998-12-08  
   last obs. used      2021-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51776  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 06:39:34  

Additional Information
 Jupiter MOID = 1.83522 au 
 T_jup = 3.189 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.379559527042942E-15 -4.448559040163529E-15 -1.226461001484738E-12 3.246043340336287E-15 -2.029130415268473E-13 -1.478622309932257E-15
q -4.448559040163529E-15 1.461832132960275E-14 3.341295220989984E-12 -9.401015665944333E-15 5.383801154427376E-13 6.032437206755058E-15
tp -1.226461001484738E-12 3.341295220989984E-12 1.397094154875879E-8 -1.82596417465315E-11 2.667386347016369E-9 1.505564679514904E-12
node 3.246043340336287E-15 -9.401015665944333E-15 -1.82596417465315E-11 1.760102605962983E-9 -1.756840844635883E-9 3.336655505946703E-11
peri -2.029130415268473E-13 5.383801154427376E-13 2.667386347016369E-9 -1.756840844635883E-9 2.265021747334603E-9 -3.30447426542502E-11
i -1.478622309932257E-15 6.032437206755058E-15 1.505564679514904E-12 3.336655505946703E-11 -3.30447426542502E-11 2.526789528988422E-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 14.38   n/a E2021B10  
diameter diameter 7.551 km 0.101 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.078   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70018 (1998 YP9)          Discovered 1998-Dec-25 by Korlevic, K., Juric, M. at Visnjan
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 YP9 = 2000 DM13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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