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19995 (1990 VU8)
Classification: Main-belt Asteroid          SPK-ID: 2019995
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1441470020293767 3.7709e-08  
a 2.791077620232387 1.6379e-08 au
q 2.388752148844601 1.0262e-07 au
i 9.857979277590855 3.9789e-06 deg
node 130.8511324231504 2.4726e-05 deg
peri 188.923266989528 3.0257e-05 deg
M 236.4712348970518 2.0823e-05 deg
tp 2459784.915731138535
(2022-Jul-24.41573114)
0.00010111 TDB
period 1703.163332318063
4.66
1.4992e-05
4.105e-08
d
yr
n .2113713894427423 1.8606e-09 deg/d
Q 3.193403091620173 1.8739e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1798  
   data-arc span      11081 days (30.34 yr)  
   first obs. used      1990-11-12  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46232  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:10:58  

Additional Information
 Earth MOID = 1.37411 au 
 Jupiter MOID = 2.11263 au 
 T_jup = 3.292 
[ 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 13.52   n/a E2021B10  
diameter diameter 5.797 km 0.268 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.252   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19995 (1990 VU8)          Discovered 1990-Nov-12 by Elst, E. W. at La Silla
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 VU8 = 1998 KM49 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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