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JPL Small-Body Database Browser
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18409 (1993 FF36)
Classification: Main-belt Asteroid          SPK-ID: 2018409
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07148677002671396 3.7365e-08  
a 2.146213461958468 8.6379e-09 au
q 1.992787593775206 7.9071e-08 au
i 6.160211148318091 6.262e-06 deg
node 171.5225147345619 3.5984e-05 deg
peri 88.87130875778581 6.0158e-05 deg
M 44.87789367984346 4.8237e-05 deg
tp 2458457.334701411679
(2018-Dec-04.83470141)
0.00015369 TDB
period 1148.438646864213
3.14
6.9332e-06
1.898e-08
d
yr
n .3134690747154603 1.8924e-09 deg/d
Q 2.299639330141731 9.2554e-09 au
  Orbit Determination Parameters
   # obs. used (total)      721  
   data-arc span      15059 days (41.23 yr)  
   first obs. used      1978-09-02  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58443  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:28:03  

Additional Information
 Earth MOID = .988837 au 
 Jupiter MOID = 2.72845 au 
 T_jup = 3.698 
[ 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 16.3   n/a MPO449085  

18409 (1993 FF36)          Discovered 1993-Mar-19 by UESAC at La Silla
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 FF36 = 1978 RS8 = 1978 RX11 = 1996 EH4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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