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213235 (2000 WH177)
Classification: Main-belt Asteroid          SPK-ID: 2213235
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1065710303916104 3.9824e-08  
a 2.297714459508553 1.294e-08 au
q 2.052844662013024 9.0838e-08 au
i 3.54347657306058 4.907e-06 deg
node 225.1655814874354 6.761e-05 deg
peri 215.9051788663339 7.2128e-05 deg
M 306.1158690117852 2.5489e-05 deg
tp 2459586.914885182294
(2022-Jan-07.41488518)
9.0791e-05 TDB
period 1272.162275023394
3.48
1.0747e-05
2.942e-08
d
yr
n .2829827664818781 2.3905e-09 deg/d
Q 2.542584257004081 1.4319e-08 au
  Orbit Determination Parameters
   # obs. used (total)      343  
   data-arc span      6727 days (18.42 yr)  
   first obs. used      2000-11-27  
   last obs. used      2019-04-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57326  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:41:53  

Additional Information
 Earth MOID = 1.06962 au 
 Jupiter MOID = 2.64803 au 
 T_jup = 3.584 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456879.5 (2014-Aug-10.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1071796840979952 4.0073e-08  
q 2.051428125026609 9.1512e-08 au
tp 2457041.037279317361
(2015-Jan-18.53727932)
8.2025e-05 TDB
node 225.3352043930766 6.7585e-05 deg
peri 215.5086062540353 7.2006e-05 deg
i 3.543949848418607 4.9083e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      343  
   data-arc span      6727 days (18.42 yr)  
   first obs. used      2000-11-27  
   last obs. used      2019-04-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57326  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:41:53  

Additional Information
 Jupiter MOID = 2.64803 au 
 T_jup = 3.584 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.605877941472591E-15 -3.638701384147233E-15 -6.197954796184787E-13 2.172320048797695E-14 -2.146968802349455E-13 -2.220917074809335E-16
q -3.638701384147233E-15 8.374532058557695E-15 1.656432531869737E-12 -4.939324647063626E-14 5.55095039732773E-13 5.639096430914636E-16
tp -6.197954796184787E-13 1.656432531869737E-12 6.728170994601239E-9 -2.524834488344075E-11 2.049943064649926E-9 -5.619975547323771E-13
node 2.172320048797695E-14 -4.939324647063626E-14 -2.524834488344075E-11 4.567684286408465E-9 -4.566110054841966E-9 -1.937465298832202E-11
peri -2.146968802349455E-13 5.55095039732773E-13 2.049943064649926E-9 -4.566110054841966E-9 5.18485068188119E-9 1.915917341879671E-11
i -2.220917074809335E-16 5.639096430914636E-16 -5.619975547323771E-13 -1.937465298832202E-11 1.915917341879671E-11 2.409096664531088E-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 17.0   n/a MPO427255  

213235 (2000 WH177)          Discovered 2000-Nov-27 by LINEAR at Socorro
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ 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
1916-May-10 10:09 00:03 Eunom 0.0351718245780095 0.0351422389271627 0.0352014185800248 4.22450222713006 4.22450213265363 2420993.923102314 2.91652395797163 1703.92060190114 40.9523815987829 30.1016032888097 64430.9378336677 T 15 CATAB v2.0f-lin.ifort 2021-Apr-13 23:41:54 2021-Apr-13 23:41
1963-Jan-19 21:57 < 00:01 Iris 0.0191339449841221 0.0191171156111277 0.0191507802174735 3.49439327835768 3.49439319237782 2438049.414525624 0.524437271936022 991.581446166762 51.4078676612248 32.2739150910215 29808.4542841949 T 15 CATAB v2.0f-lin.ifort 2021-Apr-13 23:41:54 2021-Apr-13 23:41
2083-May-02 07:03 00:02 Iris 0.0151682395200587 0.0151606274941205 0.0151758906625906 3.22779593773434 3.22779582031712 2481981.793569744 1.63133696817724 1287.45737246287 61.9322726118317 73.0414755539406 35019.0262900962 T 15 CATAB v2.0f-lin.ifort 2021-Apr-13 23:41:54 2021-Apr-13 23:41
2118-May-28 16:12 00:03 Eunom 0.0471388096052928 0.0471149441048602 0.0471626957935608 3.997943375475 3.99794330098832 2494791.175247191 2.55990671206545 1958.6915808828 39.984437798036 -52.6324344818051 140037.586030035 T 15 CATAB v2.0f-lin.ifort 2021-Apr-13 23:41:54 2021-Apr-13 23:41

Alternate Designations
 2000 WH177 = 2007 UA85 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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