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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1028283090295126 4.3472e-08  
a 2.210378874349629 7.6385e-09 au
q 1.983089352385699 9.9237e-08 au
i 4.66346132118489 3.9982e-06 deg
node 211.4221367189225 4.1877e-05 deg
peri 294.7230884334348 4.6028e-05 deg
M 289.8882053259838 1.8356e-05 deg
tp 2459434.269093030442
(2021-Aug-07.76909303)
6.1354e-05 TDB
period 1200.324052211833
3.29
6.222e-06
1.703e-08
d
yr
n .2999190088181847 1.5547e-09 deg/d
Q 2.437668396313558 8.424e-09 au
  Orbit Determination Parameters
   # obs. used (total)      915  
   data-arc span      11096 days (30.38 yr)  
   first obs. used      1990-09-25  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56957  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 11:31:22  

Additional Information
 Earth MOID = .999633 au 
 Jupiter MOID = 2.57012 au 
 T_jup = 3.646 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457467.5 (2016-Mar-20.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1021396804552979 4.3437e-08  
q 1.984718647631458 9.908e-08 au
tp 2457032.778009171633
(2015-Jan-10.27800917)
6.1557e-05 TDB
node 211.4623788324658 4.1848e-05 deg
peri 294.5605994094489 4.6082e-05 deg
i 4.664499387836962 3.9998e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      915  
   data-arc span      11096 days (30.38 yr)  
   first obs. used      1990-09-25  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56957  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 11:31:22  

Additional Information
 Jupiter MOID = 2.57012 au 
 T_jup = 3.646 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.886771654512589E-15 -4.29527126087335E-15 6.600616180815507E-13 -3.79780104702359E-15 2.7763890911063E-13 -1.004426088392102E-16
q -4.29527126087335E-15 9.816863221245999E-15 -1.487362086618788E-12 7.503396098123916E-15 -6.24279623220286E-13 3.944626842459844E-16
tp 6.600616180815507E-13 -1.487362086618788E-12 3.789288504190719E-9 -2.421476259227064E-11 1.192506463051119E-9 1.826025251108258E-12
node -3.79780104702359E-15 7.503396098123916E-15 -2.421476259227064E-11 1.751236430888506E-9 -1.752326888387911E-9 -2.628648333133021E-11
peri 2.7763890911063E-13 -6.24279623220286E-13 1.192506463051119E-9 -1.752326888387911E-9 2.123581800781405E-9 2.672979960984055E-11
i -1.004426088392102E-16 3.944626842459844E-16 1.826025251108258E-12 -2.628648333133021E-11 2.672979960984055E-11 1.599821087794016E-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

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