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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1717458550475216 4.4128e-08  
a 2.714112697417606 1.287e-08 au
q 2.247975091504284 1.2508e-07 au
i 5.768005921844191 4.2167e-06 deg
node 43.54003348794876 3.9924e-05 deg
peri 339.4231695685219 4.1688e-05 deg
M 309.2818014085324 1.1135e-05 deg
tp 2459230.592022307102
(2021-Jan-16.09202231)
5.0733e-05 TDB
period 1633.203274780582
4.47
1.1616e-05
3.18e-08
d
yr
n .2204257152548052 1.5678e-09 deg/d
Q 3.180250303330928 1.508e-08 au
  Orbit Determination Parameters
   # obs. used (total)      454  
   data-arc span      8974 days (24.57 yr)  
   first obs. used      1996-03-26  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54102  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:00:35  

Additional Information
 Earth MOID = 1.25269 au 
 Jupiter MOID = 2.27467 au 
 T_jup = 3.333 
[ 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 16.1   n/a MPO436474  

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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