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15928 (1997 WC3)
Classification: Main-belt Asteroid          SPK-ID: 2015928
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .119931826123841 4.0644e-08  
a 2.402817175346325 7.7977e-09 au
q 2.114642923665311 9.6761e-08 au
i 7.720530892823712 3.1665e-06 deg
node 91.32128947975859 3.0349e-05 deg
peri 252.3421085462692 3.2579e-05 deg
M 194.2280379586155 1.2459e-05 deg
tp 2460022.952425760716
(2023-Mar-19.45242576)
4.7881e-05 TDB
period 1360.440393518155
3.72
6.6224e-06
1.813e-08
d
yr
n .264620193369167 1.2881e-09 deg/d
Q 2.690991427027339 8.7329e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2110  
   data-arc span      10651 days (29.16 yr)  
   first obs. used      1992-04-08  
   last obs. used      2021-06-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5078  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 03:58:03  

Additional Information
 Earth MOID = 1.12068 au 
 Jupiter MOID = 2.67433 au 
 T_jup = 3.503 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457383.5 (2015-Dec-27.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .12100129063716 4.0749e-08  
q 2.111774822794199 9.7137e-08 au
tp 2457301.224904925163
(2015-Oct-05.72490493)
4.5168e-05 TDB
node 91.37408725260023 3.0383e-05 deg
peri 252.0743952837598 3.2551e-05 deg
i 7.717580814762128 3.1648e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2110  
   data-arc span      10651 days (29.16 yr)  
   first obs. used      1992-04-08  
   last obs. used      2021-06-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5078  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 03:58:03  

Additional Information
 Jupiter MOID = 2.67433 au 
 T_jup = 3.503 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.660448027784514E-15 -3.948670491325777E-15 4.01718426695962E-14 -4.441779586969758E-15 -1.264261282463608E-14 -1.84478026616996E-15
q -3.948670491325777E-15 9.435508902675761E-15 -8.904468808344518E-14 1.035532768792385E-14 3.225498093698343E-14 4.411013365908481E-15
tp 4.01718426695962E-14 -8.904468808344518E-14 2.040162888919519E-9 4.05058669937609E-13 5.468322463915857E-10 -1.123712944378156E-12
node -4.441779586969758E-15 1.035532768792385E-14 4.05058669937609E-13 9.231060568347505E-10 -9.145702210588307E-10 2.473975420072186E-11
peri -1.264261282463608E-14 3.225498093698343E-14 5.468322463915857E-10 -9.145702210588307E-10 1.059559889776018E-9 -2.478851739540161E-11
i -1.84478026616996E-15 4.411013365908481E-15 -1.123712944378156E-12 2.473975420072186E-11 -2.478851739540161E-11 1.001576527679193E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.22   n/a MPO636303  

15928 (1997 WC3)          Discovered 1997-Nov-23 by Kobayashi, T. at Oizumi
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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