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469687 (2004 YF9)
Classification: Main-belt Asteroid          SPK-ID: 2469687
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2741110275736435 1.5596e-07  
a 2.62410156573075 6.5463e-08 au
q 1.904806389090687 4.5345e-07 au
i 29.52265406394064 1.1031e-05 deg
node 245.5663244057423 1.4453e-05 deg
peri 66.38637313217592 3.0304e-05 deg
M 315.1887309670151 2.8499e-05 deg
tp 2459193.765408824278
(2020-Dec-10.26540882)
0.00012899 TDB
period 1552.635055381413
4.25
5.81e-05
1.591e-07
d
yr
n .2318638876226868 8.6764e-09 deg/d
Q 3.343396742370813 8.3407e-08 au
  Orbit Determination Parameters
   # obs. used (total)      129  
   data-arc span      5704 days (15.62 yr)  
   first obs. used      2004-11-04  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54902  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 07:31:00  

Additional Information
 Earth MOID = 1.0324 au 
 Jupiter MOID = 2.20741 au 
 T_jup = 3.171 
[ 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 16.2   n/a MPO434690  

469687 (2004 YF9)          Discovered 2004-Dec-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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