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90724 (1991 VF8)
Classification: Main-belt Asteroid          SPK-ID: 2090724
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2222720251008963 8.1946e-08  
a 2.654507771820097 1.1214e-08 au
q 2.064484953731577 2.1683e-07 au
i 8.255269094895898 6.968e-06 deg
node 54.54887353695046 3.2515e-05 deg
peri 353.3161639705975 3.5118e-05 deg
M 308.2750091580716 1.0955e-05 deg
tp 2459623.472034398744
(2022-Feb-12.97203440)
4.8679e-05 TDB
period 1579.699310788733
4.32
1.001e-05
2.741e-08
d
yr
n .2278914712067922 1.4441e-09 deg/d
Q 3.244530589908618 1.3707e-08 au
  Orbit Determination Parameters
   # obs. used (total)      470  
   data-arc span      10866 days (29.75 yr)  
   first obs. used      1991-10-06  
   last obs. used      2021-07-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54608  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:16:36  

Additional Information
 Earth MOID = 1.07441 au 
 Jupiter MOID = 2.15339 au 
 T_jup = 3.339 
[ 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 16.0   n/a MPO325088  
diameter diameter 3.753 km 0.630 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.060   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

90724 (1991 VF8)          Discovered 1991-Nov-04 by Spacewatch at Kitt Peak
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1991 VF8 = 2001 AO27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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