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48809 (1997 VX4)
Classification: Main-belt Asteroid          SPK-ID: 2048809
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2616461593553461 4.4794e-08  
a 3.036353123988095 1.8053e-08 au
q 2.241902990650003 1.4089e-07 au
i 1.252754882925673 4.4547e-06 deg
node 80.25056337284762 0.00025023 deg
peri 345.655069947251 0.00025044 deg
M 4.900741129411801 1.0074e-05 deg
tp 2458574.192104646200
(2019-Mar-31.69210465)
5.3974e-05 TDB
period 1932.532667463023
5.29
1.7236e-05
4.719e-08
d
yr
n .1862840437634611 1.6614e-09 deg/d
Q 3.830803257326187 2.2777e-08 au
  Orbit Determination Parameters
   # obs. used (total)      896  
   data-arc span      8062 days (22.07 yr)  
   first obs. used      1997-10-04  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56106  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:38:39  

Additional Information
 Earth MOID = 1.25541 au 
 Jupiter MOID = 1.50113 au 
 T_jup = 3.188 
[ 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 14.8   n/a MPO439425  
diameter diameter 6.054 km 0.598 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.037   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48809 (1997 VX4)          Discovered 1997-Nov-04 by Shimizu, Y., Urata, T. at Nachi-Katsuura
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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