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152729 (1998 VJ20)
Classification: Outer Main-belt Asteroid          SPK-ID: 2152729
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1408879883190517 4.6512e-08  
a 3.212935326616578 3.1007e-08 au
q 2.760271331850353 1.6085e-07 au
i 6.110192242185936 4.5324e-06 deg
node 66.81955942285629 4.2477e-05 deg
peri 333.1061886934866 4.5593e-05 deg
M 308.2486956660542 1.8479e-05 deg
tp 2459502.891933448752
(2021-Oct-15.39193345)
0.00011019 TDB
period 2103.543039979853
5.76
3.0451e-05
8.337e-08
d
yr
n .1711398308272542 2.4774e-09 deg/d
Q 3.665599321382802 3.5376e-08 au
  Orbit Determination Parameters
   # obs. used (total)      448  
   data-arc span      9306 days (25.48 yr)  
   first obs. used      1995-03-25  
   last obs. used      2020-09-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55784  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:28:24  

Additional Information
 Earth MOID = 1.76933 au 
 Jupiter MOID = 1.74429 au 
 T_jup = 3.167 
[ 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 15.22   n/a E2021B55  

152729 (1998 VJ20)          Discovered 1998-Nov-10 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Alternate Designations
 1998 VJ20 = 2004 XR18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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