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249975 (2001 VU4)
Classification: Main-belt Asteroid          SPK-ID: 2249975
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2111588223703109 7.0684e-08  
a 2.666393357541919 2.5883e-08 au
q 2.103360876187348 1.9703e-07 au
i 26.0663070073711 8.2874e-06 deg
node 268.9113383589506 1.5719e-05 deg
peri 87.08545523434627 2.6068e-05 deg
M 16.59295455041073 2.2807e-05 deg
tp 2458527.199661899397
(2019-Feb-12.69966190)
0.0001001 TDB
period 1590.320857930878
4.35
2.3156e-05
6.34e-08
d
yr
n .2263694135712878 3.2961e-09 deg/d
Q 3.22942583889649 3.1348e-08 au
  Orbit Determination Parameters
   # obs. used (total)      364  
   data-arc span      7903 days (21.64 yr)  
   first obs. used      1998-03-16  
   last obs. used      2019-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47192  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 18:49:49  

Additional Information
 Earth MOID = 1.26801 au 
 Jupiter MOID = 2.49844 au 
 T_jup = 3.209 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0   n/a MPO454854  
diameter diameter 5.924 km 1.379 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.048   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

249975 (2001 VU4)          Discovered 2001-Nov-11 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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