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14891 (1991 VY4)
Classification: Main-belt Asteroid          SPK-ID: 2014891
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1501933836770603 2.9179e-08  
a 2.46095644428666 6.8929e-09 au
q 2.09133706883738 7.2868e-08 au
i 3.731736073169151 2.6402e-06 deg
node 98.40510106089816 6.6184e-05 deg
peri 333.9243985752451 6.7672e-05 deg
M 227.7024675933731 1.4924e-05 deg
tp 2459914.707340986353
(2022-Dec-01.20734099)
5.9405e-05 TDB
period 1410.114303430066
3.86
5.9244e-06
1.622e-08
d
yr
n .2552984528447867 1.0726e-09 deg/d
Q 2.83057581973594 7.9281e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2283  
   data-arc span      10819 days (29.62 yr)  
   first obs. used      1991-11-04  
   last obs. used      2021-06-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48169  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 17:21:27  

Additional Information
 Earth MOID = 1.10669 au 
 Jupiter MOID = 2.42855 au 
 T_jup = 3.471 
[ 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 14.23   n/a E2021B10  
diameter diameter 8.026 km 0.094 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)  

14891 (1991 VY4)          Discovered 1991-Nov-05 by Otomo, S. at Kiyosato
Reference: 20000523/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 VY4 = 1997 GC42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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