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58650 (1997 WR39)
Classification: Main-belt Asteroid          SPK-ID: 2058650
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .2063446996021156 3.8731e-08  
a 2.29744465033204 1.0078e-08 au
q 1.823379124106788 9.0065e-08 au
i 6.389067255147526 3.5764e-06 deg
node 88.91874492894212 3.5868e-05 deg
peri 247.5719968151428 3.6558e-05 deg
M 288.100993940324 9.6023e-06 deg
tp 2459454.530813294224
(2021-Aug-28.03081329)
3.4973e-05 TDB
period 1271.938206072229
3.48
8.3694e-06
2.291e-08
d
yr
n .2830326176864261 1.8624e-09 deg/d
Q 2.771510176557292 1.2158e-08 au
  Orbit Determination Parameters
   # obs. used (total)      926  
   data-arc span      10280 days (28.15 yr)  
   first obs. used      1992-03-01  
   last obs. used      2020-04-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58476  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 11:31:24  

Additional Information
 Earth MOID = .823285 au 
 Jupiter MOID = 2.62053 au 
 T_jup = 3.557 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.64   n/a E2021B10  
diameter diameter 1.836 km 0.372 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.398   0.135 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58650 (1997 WR39)          Discovered 1997-Nov-29 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 WR39 = 2000 MW4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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