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43088 (1999 WO9)
Classification: Main-belt Asteroid          SPK-ID: 2043088
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1839419208239731 4.361e-08  
a 2.453506339066832 1.1068e-08 au
q 2.002203670305085 1.0486e-07 au
i 7.861364226520113 4.1943e-06 deg
node 133.0351117075846 2.4552e-05 deg
peri 208.175597937102 2.5797e-05 deg
M 176.5661204396563 8.517e-06 deg
tp 2458312.031495373863
(2018-Jul-12.53149537)
3.1736e-05 TDB
period 1403.715849044296
3.84
9.4987e-06
2.601e-08
d
yr
n .2564621609459649 1.7354e-09 deg/d
Q 2.904809007828579 1.3104e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1220  
   data-arc span      8003 days (21.91 yr)  
   first obs. used      1998-05-23  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50797  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:11:22  

Additional Information
 Earth MOID = .997013 au 
 Jupiter MOID = 2.4892 au 
 T_jup = 3.458 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457353.5 (2015-Nov-27.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1846096926955075 4.3868e-08  
q 2.000201493037765 1.0557e-07 au
tp 2456905.657085379504
(2014-Sep-05.15708538)
3.0326e-05 TDB
node 133.1330768122097 2.451e-05 deg
peri 207.6032717355458 2.5734e-05 deg
i 7.868351168622397 4.1993e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1220  
   data-arc span      8003 days (21.91 yr)  
   first obs. used      1998-05-23  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50797  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:11:22  

Additional Information
 Jupiter MOID = 2.4892 au 
 T_jup = 3.458 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.924385175172695E-15 -4.615625957079861E-15 4.451103769265616E-14 1.244577009881146E-14 -2.810902141247267E-14 -2.547504379715079E-15
q -4.615625957079861E-15 1.114489369225188E-14 -1.179984649008899E-13 -2.94894209104016E-14 6.88281839065689E-14 6.410217250691168E-15
tp 4.451103769265616E-14 -1.179984649008899E-13 9.196443089352178E-10 -2.011978373519693E-13 2.461620691074663E-10 1.011617737471742E-14
node 1.244577009881146E-14 -2.94894209104016E-14 -2.011978373519693E-13 6.007552897901473E-10 -5.949222495286426E-10 3.176841829181342E-11
peri -2.810902141247267E-14 6.88281839065689E-14 2.461620691074663E-10 -5.949222495286426E-10 6.62242048265578E-10 -3.145106229451041E-11
i -2.547504379715079E-15 6.410217250691168E-15 1.011617737471742E-14 3.176841829181342E-11 -3.145106229451041E-11 1.763433612051001E-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 15.2   n/a MPO468284  
diameter diameter 2.852 km 0.149 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.286   0.089 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43088 (1999 WO9)          Discovered 1999-Nov-30 by Kojima, T. at Chiyoda
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1923-May-30 11:09 00:03 David 0.0398904323966576 0.0398879245949314 0.0398929455181182 4.50179317785374 4.50179309372803 2423569.964843930 2.4991497951531 780.279849668282 41.7975750821136 81.2927892123502 141030.935123071 T 33 CATAB v2.0f-lin.ifort 2020-May-20 09:11:33 2020-May-20 09:11
1977-Sep-07 14:20 00:05 Europ 0.0398873850903597 0.0398851984263104 0.039889571837392 2.67994992715041 2.67994982772224 2443394.097292069 4.86959365064388 151.968236494822 56.6881637756357 -48.774208401336 83166.4933425109 T 33 CATAB v2.0f-lin.ifort 2020-May-20 09:11:33 2020-May-20 09:11
2043-Aug-24 04:49 00:03 Europ 0.0165112756104184 0.0165083347352318 0.0165142169613792 3.02978918167802 3.02978896921728 2467485.700955277 3.08852575651967 213.0539531951 63.0567801585442 49.4711403668393 30674.6557177916 T 33 CATAB v2.0f-lin.ifort 2020-May-20 09:11:33 2020-May-20 09:11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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