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66917 (1999 VP176)
Classification: Main-belt Asteroid          SPK-ID: 2066917
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1162300254770841 4.6407e-08  
a 2.596537931912566 1.2919e-08 au
q 2.294742261934154 1.2632e-07 au
i 13.67410873519305 3.4503e-06 deg
node 260.3985717688928 1.8016e-05 deg
peri 122.7784528868661 2.3531e-05 deg
M 354.4812497764046 1.4429e-05 deg
tp 2459223.927647009149
(2021-Jan-09.42764701)
6.1276e-05 TDB
period 1528.236028373633
4.18
1.1405e-05
3.123e-08
d
yr
n .2355657066815237 1.758e-09 deg/d
Q 2.898333601890979 1.442e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1698  
   data-arc span      7876 days (21.56 yr)  
   first obs. used      1999-07-22  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44529  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:25:51  

Additional Information
 Earth MOID = 1.33026 au 
 Jupiter MOID = 2.55568 au 
 T_jup = 3.367 
[ 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 14.47   n/a E2021B10  
diameter diameter 4.205 km 1.414 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.209   0.173 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66917 (1999 VP176)          Discovered 1999-Nov-05 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 VP176 = 2000 WQ49 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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