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24309 (1999 YF9)
Classification: Main-belt Asteroid          SPK-ID: 2024309
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1107551008478704 1.7658e-08  
a 2.597721216991165 1.1134e-08 au
q 2.310010341628656 4.647e-08 au
i 9.264728793477797 3.0971e-07 deg
node 304.8728114249536 2.7082e-06 deg
peri 3.696880032823817 8.3541e-06 deg
M 172.4351157346686 8.7554e-06 deg
tp 2458467.995239970553
(2018-Dec-15.49523997)
3.4501e-05 TDB
period 1529.280810855064
4.19
9.8318e-06
2.692e-08
d
yr
n .2354047716054933 1.5134e-09 deg/d
Q 2.885432092353674 1.2367e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2082  
   data-arc span      10612 days (29.05 yr)  
   first obs. used      1992-02-29  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47459  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 03:33:01  

Additional Information
 Earth MOID = 1.29332 au 
 Jupiter MOID = 2.35215 au 
 T_jup = 3.389 
[ 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 13.61   n/a MPCxxxxx  
diameter diameter 4.574 km 0.177 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.404   0.135 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

24309 (1999 YF9)          Discovered 1999-Dec-31 by Korlevic, K. at Visnjan
Reference: 20010408/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 YF9 = 1992 DF9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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