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37870 (1998 FJ23)
Classification: Main-belt Asteroid          SPK-ID: 2037870
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1457996128376669 3.1342e-08  
a 2.389832036767305 7.8763e-09 au
q 2.04139545105958 7.4532e-08 au
i 2.155813305998002 3.2287e-06 deg
node 71.27191884072921 9.0567e-05 deg
peri 41.6559819140789 9.1299e-05 deg
M 46.66165853284264 1.0337e-05 deg
tp 2458825.593010235303
(2019-Dec-08.09301024)
3.8801e-05 TDB
period 1349.42730916802
3.69
6.6711e-06
1.826e-08
d
yr
n .2667798387909873 1.3189e-09 deg/d
Q 2.738268622475031 9.0247e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1438  
   data-arc span      15153 days (41.49 yr)  
   first obs. used      1978-11-29  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50586  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 00:28:50  

Additional Information
 Earth MOID = 1.05855 au 
 Jupiter MOID = 2.35734 au 
 T_jup = 3.517 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0   n/a MPO417076  

37870 (1998 FJ23)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 FJ23 = 1978 WA1 = 1989 UO9 = 2000 RX6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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