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390975 (2005 QS181)
Classification: Mars-crossing Asteroid          SPK-ID: 2390975
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07666877878420053 5.0353e-08  
a 1.8000998790394 8.5676e-09 au
q 1.662088419623863 9.3417e-08 au
i 18.21704988775008 5.7943e-06 deg
node 186.6535530804093 1.2515e-05 deg
peri 151.1413761113196 3.1244e-05 deg
M 42.60617833159701 2.9345e-05 deg
tp 2458896.096895960590
(2020-Feb-16.59689596)
7.1781e-05 TDB
period 882.1518128584261
2.42
6.2979e-06
1.724e-08
d
yr
n .4080930229384172 2.9135e-09 deg/d
Q 1.938111338454938 9.2245e-09 au
  Orbit Determination Parameters
   # obs. used (total)      182  
   data-arc span      8802 days (24.10 yr)  
   first obs. used      1995-05-27  
   last obs. used      2019-07-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62689  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:36:29  

Additional Information
 Earth MOID = .668269 au 
 Jupiter MOID = 3.26533 au 
 T_jup = 4.005 
[ 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 18.2   n/a MPO476841  

390975 (2005 QS181)          Discovered 2005-Aug-31 by LONEOS at Anderson Mesa
Reference: Last Updated: 2014-04-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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