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249675 (1999 VZ178)
Classification: Main-belt Asteroid          SPK-ID: 2249675
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 .1994991022082639 6.712e-08  
a 3.147949010749945 4.5543e-08 au
q 2.519936009307938 2.1289e-07 au
i 22.89234365796407 7.7664e-06 deg
node 200.8191681746645 1.489e-05 deg
peri 207.2848383063001 2.388e-05 deg
M 251.1829902353595 2.675e-05 deg
tp 2459617.143627043809
(2022-Feb-06.64362704)
0.0001617 TDB
period 2040.046002145394
5.59
4.4272e-05
1.212e-07
d
yr
n .1764666089006864 3.8296e-09 deg/d
Q 3.775962012191951 5.4629e-08 au
  Orbit Determination Parameters
   # obs. used (total)      277  
   data-arc span      7163 days (19.61 yr)  
   first obs. used      1999-10-19  
   last obs. used      2019-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53457  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:26:13  

Additional Information
 Earth MOID = 1.54465 au 
 Jupiter MOID = 1.72513 au 
 T_jup = 3.057 
[ 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 15.2   n/a MPO437159  
diameter diameter 3.868 km 0.227 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.129   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249675 (1999 VZ178)          Discovered 1999-Nov-06 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

[ show close-approach data ]
Alternate Designations
 1999 VZ178 = 2010 OZ69 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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