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109077 (2001 QR25)
Classification: Mars-crossing Asteroid          SPK-ID: 2109077
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2985906876189065 2.8207e-08  
a 2.318327859007598 6.1203e-09 au
q 1.626096749460452 6.5187e-08 au
i 4.943068958864662 4.0508e-06 deg
node 131.4282094506834 3.7067e-05 deg
peri 248.9828235711997 3.7869e-05 deg
M 96.61590438953534 7.7222e-06 deg
tp 2458654.475515139031
(2019-Jun-19.97551514)
2.6957e-05 TDB
period 1289.319965869317
3.53
5.1056e-06
1.398e-08
d
yr
n .2792169589627599 1.1057e-09 deg/d
Q 3.010558968554744 7.9478e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1063  
   data-arc span      7758 days (21.24 yr)  
   first obs. used      1999-01-22  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51823  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:00:29  

Additional Information
 Earth MOID = .636684 au 
 Jupiter MOID = 2.46095 au 
 T_jup = 3.514 
[ 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 15.5   n/a MPO449652  

109077 (2001 QR25)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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