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118452 (1999 VH127)
Classification: Main-belt Asteroid          SPK-ID: 2118452
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2343500258942192 4.0347e-08  
a 3.134999926840349 2.2977e-08 au
q 2.400312612806938 1.3284e-07 au
i 10.02186279269055 5.5798e-06 deg
node 197.7413359770979 2.4229e-05 deg
peri 145.7268664808869 2.747e-05 deg
M 317.1623560987471 1.5649e-05 deg
tp 2459441.755823344620
(2021-Aug-15.25582334)
8.9825e-05 TDB
period 2027.471366172007
5.55
2.2289e-05
6.102e-08
d
yr
n .1775610773136108 1.952e-09 deg/d
Q 3.86968724087376 2.8361e-08 au
  Orbit Determination Parameters
   # obs. used (total)      674  
   data-arc span      7666 days (20.99 yr)  
   first obs. used      1999-07-23  
   last obs. used      2020-07-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52605  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:57:20  

Additional Information
 Earth MOID = 1.39943 au 
 Jupiter MOID = 1.64769 au 
 T_jup = 3.146 
[ 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 14.53   n/a E2021B55  
diameter diameter 8.060 km 0.080 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.046   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118452 (1999 VH127)          Discovered 1999-Nov-09 by Spacewatch at Kitt Peak
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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