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JPL Small-Body Database Browser
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49747 (1999 VK161)
Classification: Main-belt Asteroid          SPK-ID: 2049747
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1651655362899847 5.9802e-08  
a 2.458159962534923 1.3802e-08 au
q 2.052156654036273 1.5043e-07 au
i 12.03405390438065 5.7715e-06 deg
node 42.89168094476309 2.0869e-05 deg
peri 176.858885731504 2.7161e-05 deg
M 213.8584748424257 2.2941e-05 deg
tp 2459171.958599739883
(2020-Nov-18.45859974)
9.3283e-05 TDB
period 1407.711433725209
3.85
1.1856e-05
3.246e-08
d
yr
n .255734230308364 2.1538e-09 deg/d
Q 2.864163271033572 1.6082e-08 au
  Orbit Determination Parameters
   # obs. used (total)      859  
   data-arc span      8776 days (24.03 yr)  
   first obs. used      1995-11-18  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56147  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 03:46:33  

Additional Information
 Earth MOID = 1.04437 au 
 Jupiter MOID = 2.10991 au 
 T_jup = 3.443 
[ 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 14.8   n/a MPO319677  
diameter diameter 4.357 km 0.190 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.112   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49747 (1999 VK161)          Discovered 1999-Nov-14 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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