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35091 (1990 WC2)
Classification: Main-belt Asteroid          SPK-ID: 2035091
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07505518060373662 3.7875e-08  
a 2.984395828047945 2.1051e-08 au
q 2.760401460180769 1.0932e-07 au
i 10.68327378691795 6.2172e-06 deg
node 187.3841216297761 2.2535e-05 deg
peri 269.7207918941359 4.8262e-05 deg
M 228.8148801239664 4.3591e-05 deg
tp 2459686.722792653319
(2022-Apr-17.22279265)
0.00022928 TDB
period 1883.1419721127
5.16
1.9925e-05
5.455e-08
d
yr
n .1911698668136611 2.0227e-09 deg/d
Q 3.208390195915122 2.2631e-08 au
  Orbit Determination Parameters
   # obs. used (total)      840  
   data-arc span      10513 days (28.78 yr)  
   first obs. used      1990-11-11  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54156  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 03:42:08  

Additional Information
 Earth MOID = 1.80349 au 
 Jupiter MOID = 1.95887 au 
 T_jup = 3.228 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456472.5 (2013-Jun-29.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07481197171273822 3.7795e-08  
q 2.760563322679931 1.0922e-07 au
tp 2455901.800991523215
(2011-Dec-06.30099152)
0.00022526 TDB
node 187.7030979677097 2.2479e-05 deg
peri 266.203085848645 4.8667e-05 deg
i 10.69669184143412 6.2255e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      840  
   data-arc span      10513 days (28.78 yr)  
   first obs. used      1990-11-11  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54156  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 03:42:08  

Additional Information
 Jupiter MOID = 1.95887 au 
 T_jup = 3.228 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.428456244973845E-15 -4.069835510554936E-15 -7.724154170917389E-13 5.695278603845632E-16 -1.260709952491929E-13 -1.831488650888707E-16
q -4.069835510554936E-15 1.192825128685693E-14 2.753765916007309E-12 -3.345493874426715E-15 4.800527290011696E-13 7.337257162088783E-16
tp -7.724154170917389E-13 2.753765916007309E-12 5.074369306502968E-8 1.812730847423152E-11 9.735052600183622E-9 5.706619602227492E-12
node 5.695278603845632E-16 -3.345493874426715E-15 1.812730847423152E-11 5.052950082511377E-10 -4.929233735901661E-10 3.639429537996264E-12
peri -1.260709952491929E-13 4.800527290011696E-13 9.735052600183622E-9 -4.929233735901661E-10 2.368504183424576E-9 -2.611425418030633E-12
i -1.831488650888707E-16 7.337257162088783E-16 5.706619602227492E-12 3.639429537996264E-12 -2.611425418030633E-12 3.875704381953396E-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 14.4   n/a MPO493097  
diameter diameter 5.268 km 0.409 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.092   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35091 (1990 WC2)          Discovered 1990-Nov-18 by Elst, E. W. at La Silla
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 WC2 = 2000 ST118 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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