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58643 (1997 WO25)
Classification: Main-belt Asteroid          SPK-ID: 2058643
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1028283141962814 4.3861e-08  
a 2.21037887488238 7.676e-09 au
q 1.983089341443152 9.9985e-08 au
i 4.663461573701405 4.102e-06 deg
node 211.4221344978913 4.256e-05 deg
peri 294.7230922996441 4.6661e-05 deg
M 289.8882033636073 1.8462e-05 deg
tp 2459434.269099657979
(2021-Aug-07.76909966)
6.172e-05 TDB
period 1200.324052645791
3.29
6.2526e-06
1.712e-08
d
yr
n .2999190087097539 1.5623e-09 deg/d
Q 2.437668408321608 8.4653e-09 au
  Orbit Determination Parameters
   # obs. used (total)      900  
   data-arc span      11073 days (30.32 yr)  
   first obs. used      1990-09-25  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57212  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 05:44:01  

Additional Information
 Earth MOID = .999633 au 
 Jupiter MOID = 2.57012 au 
 T_jup = 3.646 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457379.5 (2015-Dec-23.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1021878848063092 4.3822e-08  
q 1.984482768950725 9.9821e-08 au
tp 2457032.725674185881
(2015-Jan-10.22567419)
6.1778e-05 TDB
node 211.4642014814684 4.253e-05 deg
peri 294.5301510789134 4.6713e-05 deg
i 4.664586815839011 4.1036e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      900  
   data-arc span      11073 days (30.32 yr)  
   first obs. used      1990-09-25  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57212  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 05:44:01  

Additional Information
 Jupiter MOID = 2.57012 au 
 T_jup = 3.646 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.920394471222737E-15 -4.365641457298146E-15 6.92119891219986E-13 -4.321251575578324E-15 2.870340468832457E-13 -6.467898287505064E-17
q -4.365641457298146E-15 9.964169093728128E-15 -1.554722902099257E-12 8.78413296276818E-15 -6.442280290794809E-13 3.012882473403669E-16
tp 6.92119891219986E-13 -1.554722902099257E-12 3.816469756936965E-9 -2.27409303626212E-11 1.198602084265893E-9 1.624150792694905E-12
node -4.321251575578324E-15 8.78413296276818E-15 -2.27409303626212E-11 1.808819388016559E-9 -1.809302684843014E-9 -3.323589408405003E-11
peri 2.870340468832457E-13 -6.442280290794809E-13 1.198602084265893E-9 -1.809302684843014E-9 2.182063265406251E-9 3.359984199572527E-11
i -6.467898287505064E-17 3.012882473403669E-16 1.624150792694905E-12 -3.323589408405003E-11 3.359984199572527E-11 1.683950828281121E-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 16.17   n/a E2021B10  
diameter diameter 3.508 km 0.077 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.027   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58643 (1997 WO25)          Discovered 1997-Nov-28 by Spacewatch at Kitt Peak
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 WO25 = 2000 SX125 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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