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JPL Small-Body Database Browser
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48255 (2001 VY20)
Classification: Main-belt Asteroid          SPK-ID: 2048255
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09105213612297593 4.2188e-08  
a 2.745081374178627 1.2134e-08 au
q 2.495135851228269 1.1736e-07 au
i 1.43219111301131 3.8324e-06 deg
node 299.0064945213757 0.00018847 deg
peri 84.98950979247421 0.00018982 deg
M 324.8299634249337 2.1386e-05 deg
tp 2458762.793669782922
(2019-Oct-06.29366978)
9.8695e-05 TDB
period 1661.235722548908
4.55
1.1015e-05
3.016e-08
d
yr
n .2167061513989333 1.4368e-09 deg/d
Q 2.995026897128985 1.3239e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1031  
   data-arc span      15013 days (41.10 yr)  
   first obs. used      1978-10-27  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50173  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:10:24  

Additional Information
 Earth MOID = 1.49827 au 
 Jupiter MOID = 2.42036 au 
 T_jup = 3.342 
[ 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 14.9   n/a MPO452828  
diameter diameter 4.375 km 0.288 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.111   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

48255 (2001 VY20)          Discovered 2001-Nov-09 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 VY20 = 1978 UZ7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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