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118448 (1999 VH93)
Classification: Main-belt Asteroid          SPK-ID: 2118448
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1359824081402038 3.9166e-08  
a 3.19857806033751 2.5442e-08 au
q 2.763627713068394 1.2058e-07 au
i 4.767233373264552 4.9559e-06 deg
node 22.7131878301236 5.3107e-05 deg
peri 75.12873052528344 5.6518e-05 deg
M 201.2670116875206 2.0954e-05 deg
tp 2460121.794650605490
(2023-Jun-26.29465061)
0.00012758 TDB
period 2089.459020106543
5.72
2.493e-05
6.825e-08
d
yr
n .1722934006055038 2.0557e-09 deg/d
Q 3.633528407606627 2.8902e-08 au
  Orbit Determination Parameters
   # obs. used (total)      565  
   data-arc span      7204 days (19.72 yr)  
   first obs. used      1999-10-09  
   last obs. used      2019-06-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55592  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:57:20  

Additional Information
 Earth MOID = 1.78518 au 
 Jupiter MOID = 1.55834 au 
 T_jup = 3.175 
[ 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 14.9   n/a MPO436569  
diameter diameter 4.675 km 0.392 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.097   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118448 (1999 VH93)          Discovered 1999-Nov-09 by LINEAR at Socorro
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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