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JPL Small-Body Database Browser
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243561 (1994 YD4)
Classification: Main-belt Asteroid          SPK-ID: 2243561
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1668662283265337 9.7567e-08  
a 2.63728475743692 1.745e-08 au
q 2.197210996940364 2.5656e-07 au
i 4.605523695606483 5.6037e-06 deg
node 292.7422756043189 0.00010996 deg
peri 79.83768729032444 0.00011453 deg
M 321.9240373383934 2.4001e-05 deg
tp 2458765.955937008322
(2019-Oct-09.45593701)
0.00010372 TDB
period 1564.350134817645
4.28
1.5526e-05
4.251e-08
d
yr
n .23012750917298 2.284e-09 deg/d
Q 3.077358517933476 2.0362e-08 au
  Orbit Determination Parameters
   # obs. used (total)      222  
   data-arc span      9622 days (26.34 yr)  
   first obs. used      1993-07-24  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55923  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 18:27:01  

Additional Information
 Earth MOID = 1.20227 au 
 Jupiter MOID = 2.41836 au 
 T_jup = 3.372 
[ 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 17.0   n/a MPO407802  

243561 (1994 YD4)          Discovered 1994-Dec-31 by Spacewatch at Kitt Peak
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

Alternate Designations
 1994 YD4 = 2006 QX99 = 2008 BL27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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