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74349 (1998 VM54)
Classification: Main-belt Asteroid          SPK-ID: 2074349
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1380920211622462 5.1971e-08  
a 2.761895994422358 1.6903e-08 au
q 2.380500194312663 1.4884e-07 au
i 13.76439720133237 5.536e-06 deg
node 321.3749578083237 1.8393e-05 deg
peri 352.9020443010421 2.4456e-05 deg
M 335.2777241438304 1.6361e-05 deg
tp 2459115.631815869165
(2020-Sep-23.13181587)
7.6375e-05 TDB
period 1676.52258044665
4.59
1.5391e-05
4.214e-08
d
yr
n .2147301827000092 1.9712e-09 deg/d
Q 3.143291794532053 1.9237e-08 au
  Orbit Determination Parameters
   # obs. used (total)      874  
   data-arc span      7886 days (21.59 yr)  
   first obs. used      1998-11-14  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57915  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 23:49:38  

Additional Information
 Earth MOID = 1.36754 au 
 Jupiter MOID = 2.16703 au 
 T_jup = 3.286 
[ 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 14.5   n/a MPO290959  
diameter diameter 3.455 km 0.621 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.147   0.088 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74349 (1998 VM54)          Discovered 1998-Nov-14 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 VM54 = 2000 CG123 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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