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46276 (2001 JQ4)
Classification: Main-belt Asteroid          SPK-ID: 2046276
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09470936351093935 3.4571e-08  
a 2.66071099413952 1.1916e-08 au
q 2.408716749398007 9.2914e-08 au
i 13.03201459129505 4.8589e-06 deg
node 181.7204899603709 1.4669e-05 deg
peri 120.9646417402407 3.3406e-05 deg
M 80.13689857556253 2.6938e-05 deg
tp 2458647.621651003789
(2019-Jun-13.12165100)
0.00011923 TDB
period 1585.23985700359
4.34
1.0649e-05
2.916e-08
d
yr
n .2270949714073363 1.5255e-09 deg/d
Q 2.912705238881032 1.3044e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1234  
   data-arc span      7722 days (21.14 yr)  
   first obs. used      1998-11-13  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54931  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:24:45  

Additional Information
 Earth MOID = 1.42331 au 
 Jupiter MOID = 2.34955 au 
 T_jup = 3.343 
[ 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 14.2   n/a MPO302326  

46276 (2001 JQ4)          Discovered 2001-May-15 by JPL/GEODSS NEAT at Palomar
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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