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JPL Small-Body Database Browser
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34768 (2001 QK221)
Classification: Main-belt Asteroid          SPK-ID: 2034768
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 .2066493838823515 7.7596e-08  
a 2.321710664806922 1.2818e-08 au
q 1.841930586371487 1.7761e-07 au
i 6.497540165062513 7.0023e-06 deg
node 355.3561517779262 4.5047e-05 deg
peri 4.956434400130009 4.6728e-05 deg
M 326.2912698979194 1.5504e-05 deg
tp 2458721.490274593066
(2019-Aug-25.99027459)
5.6125e-05 TDB
period 1292.142976659195
3.54
1.0701e-05
2.93e-08
d
yr
n .2786069394044701 2.3073e-09 deg/d
Q 2.801490743242357 1.5467e-08 au
  Orbit Determination Parameters
   # obs. used (total)      648  
   data-arc span      9670 days (26.48 yr)  
   first obs. used      1993-03-21  
   last obs. used      2019-09-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56648  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:54:57  

Additional Information
 Earth MOID = .837831 au 
 Jupiter MOID = 2.64711 au 
 T_jup = 3.540 
[ 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 15.4   n/a MPO412433  

34768 (2001 QK221)          Discovered 2001-Aug-24 by JPL/GEODSS NEAT at Palomar
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 QK221 = 1993 FO70 = 2000 GY10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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