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JPL Small-Body Database Browser
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243964 (2001 QD254)
Classification: Main-belt Asteroid          SPK-ID: 2243964
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1539649957805916 4.7122e-08  
a 2.767167661418854 2.7911e-08 au
q 2.34112070410431 1.3261e-07 au
i 9.437106042074848 6.2924e-06 deg
node 106.1645153932294 3.8302e-05 deg
peri 246.5073729823536 4.4745e-05 deg
M 289.5502843519095 2.5789e-05 deg
tp 2458929.524608544699
(2020-Mar-21.02460854)
0.00012336 TDB
period 1681.324871029516
4.60
2.5438e-05
6.965e-08
d
yr
n .2141168587957444 3.2395e-09 deg/d
Q 3.193214618733397 3.2208e-08 au
  Orbit Determination Parameters
   # obs. used (total)      352  
   data-arc span      6147 days (16.83 yr)  
   first obs. used      2001-08-13  
   last obs. used      2018-06-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60411  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 08:08:13  

Additional Information
 Earth MOID = 1.35319 au 
 Jupiter MOID = 2.26484 au 
 T_jup = 3.302 
[ 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 15.6   n/a MPO446289  

243964 (2001 QD254)          Discovered 2001-Aug-25 by LONEOS at Anderson Mesa
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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