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146299 (2001 JR)
Classification: Main-belt Asteroid          SPK-ID: 2146299
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1546884391287872 4.3848e-08  
a 2.3976738885844 1.1737e-08 au
q 2.026781457219429 1.03e-07 au
i 6.914169446314776 4.2838e-06 deg
node 114.7428273312503 3.9663e-05 deg
peri 149.8049430661655 4.1959e-05 deg
M 16.93069745670716 1.3318e-05 deg
tp 2458936.724195488168
(2020-Mar-28.22419549)
5.0113e-05 TDB
period 1356.074649787345
3.71
9.9574e-06
2.726e-08
d
yr
n .2654721110349301 1.9493e-09 deg/d
Q 2.76856631994937 1.3553e-08 au
  Orbit Determination Parameters
   # obs. used (total)      691  
   data-arc span      7044 days (19.29 yr)  
   first obs. used      2001-03-04  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53047  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 02:46:29  

Additional Information
 Earth MOID = 1.01424 au 
 Jupiter MOID = 2.32187 au 
 T_jup = 3.502 
[ 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 15.8   n/a MPO432920  

146299 (2001 JR)          Discovered 2001-May-04 by NEAT at Haleakala
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Alternate Designations
 2001 JR = 2002 TB228 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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