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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09137559241281537 4.1981e-08  
a 2.745990375056221 1.192e-08 au
q 2.49507387777557 1.1667e-07 au
i 1.432219152221906 3.7479e-06 deg
node 299.0010583417099 0.00018691 deg
peri 85.02025114343927 0.00018825 deg
M 51.46433306673455 2.0968e-05 deg
tp 2458762.897617472670
(2019-Oct-06.39761747)
9.6817e-05 TDB
period 1662.060938376915
4.55
1.0822e-05
2.963e-08
d
yr
n .2165985564594027 1.4103e-09 deg/d
Q 2.996906872336872 1.3009e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1055  
   data-arc span      15333 days (41.98 yr)  
   first obs. used      1978-10-27  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49717  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:38:13  

Additional Information
 Earth MOID = 1.49896 au 
 Jupiter MOID = 2.41877 au 
 T_jup = 3.341 
[ 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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