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277195 (2005 QN49)
Classification: Main-belt Asteroid          SPK-ID: 2277195
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2081704349941853 1.1137e-07  
a 2.21985890176909 1.6457e-08 au
q 1.757749908562104 2.4249e-07 au
i 7.209171987694722 6.7765e-06 deg
node 127.8166636532697 5.7219e-05 deg
peri 206.9383589894335 5.9231e-05 deg
M 173.0386201452876 2.095e-05 deg
tp 2458419.833160051898
(2018-Oct-28.33316005)
6.6196e-05 TDB
period 1208.054376565193
3.31
1.3434e-05
3.678e-08
d
yr
n .2979998309542753 3.3138e-09 deg/d
Q 2.681967894976075 1.9882e-08 au
  Orbit Determination Parameters
   # obs. used (total)      204  
   data-arc span      5273 days (14.44 yr)  
   first obs. used      2005-08-26  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55424  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 14:10:31  

Additional Information
 Earth MOID = .750716 au 
 Jupiter MOID = 2.68893 au 
 T_jup = 3.612 
[ 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 17.6   n/a MPO348751  

277195 (2005 QN49)          Discovered 2005-Aug-26 by NEAT at Palomar
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2185-Oct-13 13:04 00:10 Hebe 0.0408213746082331 0.0407532757729976 0.0408895007583923 3.67349583016457 3.67349578870828 2519401.044333194 10.3575423123191 3780.66033843453 67.9397718066095 26.1317793907687 39584.5944210199 T 13 CATAB v2.0f-lin.ifort 2020-Feb-25 14:10:34 2020-Feb-25 14:10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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