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523585 (1998 MW5)
Classification: Apollo [NEO]          SPK-ID: 2523585
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3628504212026387 5.6226e-07  
a 1.023461795138985 4.9693e-08 au
q .652098251687996 6.0673e-07 au
i 6.291413692362593 1.4552e-05 deg
node 80.24215375447884 7.1229e-05 deg
peri 26.76738644540389 8.0133e-05 deg
M 212.9722846127282 8.2958e-05 deg
tp 2459154.955219250991
(2020-Nov-01.45521925)
9.8026e-05 TDB
period 378.1863765202075
1.04
2.7544e-05
7.541e-08
d
yr
n .9519116032482576 6.9328e-08 deg/d
Q 1.394825338589975 6.7724e-08 au
  Orbit Determination Parameters
   # obs. used (total)      170  
   data-arc span      8073 days (22.10 yr)  
   first obs. used      1998-06-24  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55777  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-04 06:14:51  

Additional Information
 Earth MOID = .0761068 au 
 Jupiter MOID = 3.73652 au 
 T_jup = 5.906 
[ show covariance matrix ]

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 19.0   n/a E2018N06  
SMASSII spectral type spec_B Sq   n/a Binzel et al. (2001) Icarus 151, 139-149  

523585 (1998 MW5)          Discovered 1998-Jun-24 by LINEAR at Socorro
Reference: Last Updated: 2018-10-01

[ show close-approach data ]
Alternate Designations
 1998 MW5 = 1999 JW3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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