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102781 (1999 VO148)
Classification: Main-belt Asteroid          SPK-ID: 2102781
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1479666656057204 6.203e-08  
a 2.727122146702689 1.8176e-08 au
q 2.323598975955577 1.6857e-07 au
i 2.046482275128821 5.4711e-06 deg
node 270.3232865427572 0.00018618 deg
peri 92.92084927572019 0.00018714 deg
M 234.4653698094317 1.9782e-05 deg
tp 2459574.109531178686
(2021-Dec-25.60953118)
9.3273e-05 TDB
period 1644.959888047224
4.50
1.6445e-05
4.502e-08
d
yr
n .2188503212849558 2.1879e-09 deg/d
Q 3.1306453174498 2.0865e-08 au
  Orbit Determination Parameters
   # obs. used (total)      370  
   data-arc span      7558 days (20.69 yr)  
   first obs. used      1999-10-15  
   last obs. used      2020-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56932  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:52:42  

Additional Information
 Earth MOID = 1.32229 au 
 Jupiter MOID = 2.33564 au 
 T_jup = 3.339 
[ 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 16.10   n/a E2021B55  
diameter diameter 4.844 km 0.343 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.036   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

102781 (1999 VO148)          Discovered 1999-Nov-14 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 VO148 = 2003 QY40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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