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43070 (1999 VD161)
Classification: Main-belt Asteroid          SPK-ID: 2043070
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03973448940401626 4.4448e-08  
a 2.997978856746088 1.6358e-08 au
q 2.878855697629246 1.3619e-07 au
i 1.476736363688668 3.287e-06 deg
node 278.7731049101632 0.00018413 deg
peri 269.1084010997419 0.00019017 deg
M 251.4431236070591 5.0423e-05 deg
tp 2459772.236755856453
(2022-Jul-11.73675586)
0.0002679 TDB
period 1896.012845499554
5.19
1.5518e-05
4.249e-08
d
yr
n .1898721313278596 1.554e-09 deg/d
Q 3.11710201586293 1.7008e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1304  
   data-arc span      8270 days (22.64 yr)  
   first obs. used      1998-08-01  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52196  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:23:37  

Additional Information
 Earth MOID = 1.87884 au 
 Jupiter MOID = 1.8467 au 
 T_jup = 3.252 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.06   n/a MPCxxxxx  
diameter diameter 4.211 km 0.840 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.274   0.063 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43070 (1999 VD161)          Discovered 1999-Nov-14 by LINEAR at Socorro
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 VD161 = 1998 QT30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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