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344207 (2001 QD177)
Classification: Main-belt Asteroid          SPK-ID: 2344207
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04855450431680211 5.2329e-08  
a 2.96342446415609 3.6373e-08 au
q 2.819536858218706 1.6459e-07 au
i 1.425255761270823 6.7309e-06 deg
node 1.252313700461187 0.00024425 deg
peri 285.4720446123542 0.00025478 deg
M 301.074276899926 7.2731e-05 deg
tp 2459305.494241365518
(2021-Mar-31.99424137)
0.0003776 TDB
period 1863.327611697113
5.10
3.4306e-05
9.392e-08
d
yr
n .1932027399476537 3.5571e-09 deg/d
Q 3.107312070093474 3.8139e-08 au
  Orbit Determination Parameters
   # obs. used (total)      152  
   data-arc span      6819 days (18.67 yr)  
   first obs. used      2001-08-26  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67759  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 22:24:20  

Additional Information
 Earth MOID = 1.80359 au 
 Jupiter MOID = 1.96822 au 
 T_jup = 3.263 
[ 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 16.7   n/a MPO434164  

344207 (2001 QD177)          Discovered 2001-Aug-26 by Spacewatch at Kitt Peak
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

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