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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .13787378168146 5.8522e-08  
a 2.759644888046394 2.0201e-08 au
q 2.379162211233528 1.6251e-07 au
i 13.76250764484516 6.1327e-06 deg
node 321.4033888301055 2.0437e-05 deg
peri 353.2188945634444 2.8611e-05 deg
M 248.9904070442183 2.2626e-05 deg
tp 2459116.840554819068
(2020-Sep-24.34055482)
0.0001077 TDB
period 1674.473302581218
4.58
1.8386e-05
5.034e-08
d
yr
n .2149929768632658 2.3607e-09 deg/d
Q 3.14012756485926 2.2986e-08 au
  Orbit Determination Parameters
   # obs. used (total)      810  
   data-arc span      7483 days (20.49 yr)  
   first obs. used      1998-11-14  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5736  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:41:27  

Additional Information
 Earth MOID = 1.36534 au 
 Jupiter MOID = 2.16806 au 
 T_jup = 3.287 
[ 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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