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101442 (1998 VP42)
Classification: Main-belt Asteroid          SPK-ID: 2101442
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1714736225105051 4.4069e-08  
a 2.712907445334381 1.2749e-08 au
q 2.247715378147175 1.2492e-07 au
i 5.768458252909086 4.1858e-06 deg
node 43.52765264512597 3.9386e-05 deg
peri 339.5317289137332 4.1174e-05 deg
M 353.2925466385682 1.1081e-05 deg
tp 2459230.909274145356
(2021-Jan-16.40927415)
5.0268e-05 TDB
period 1632.115514254046
4.47
1.1505e-05
3.15e-08
d
yr
n .2205726229889659 1.5548e-09 deg/d
Q 3.178099512521588 1.4935e-08 au
  Orbit Determination Parameters
   # obs. used (total)      463  
   data-arc span      9041 days (24.75 yr)  
   first obs. used      1996-03-26  
   last obs. used      2020-12-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53906  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:36:48  

Additional Information
 Earth MOID = 1.25117 au 
 Jupiter MOID = 2.27781 au 
 T_jup = 3.334 
[ 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 16.22   n/a E2021B55  

101442 (1998 VP42)          Discovered 1998-Nov-15 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 VP42 = 2002 QA44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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