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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2342084043653715 4.5304e-08  
a 3.133091400364642 2.4511e-08 au
q 2.399295062754372 1.4485e-07 au
i 10.02394991437495 6.0916e-06 deg
node 197.7654546345416 2.5357e-05 deg
peri 145.8379783043315 2.8496e-05 deg
M 281.4982379837429 1.6531e-05 deg
tp 2459442.207656961149
(2021-Aug-15.70765696)
9.6534e-05 TDB
period 2025.620220767564
5.55
2.377e-05
6.508e-08
d
yr
n .1777233443412141 2.0856e-09 deg/d
Q 3.866887737974912 3.0252e-08 au
  Orbit Determination Parameters
   # obs. used (total)      593  
   data-arc span      7584 days (20.76 yr)  
   first obs. used      1999-07-23  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53153  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:21:01  

Additional Information
 Earth MOID = 1.40016 au 
 Jupiter MOID = 1.64943 au 
 T_jup = 3.147 
[ 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 14.4   n/a MPO436569  
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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