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181645 (2006 YZ46)
Classification: Main-belt Asteroid          SPK-ID: 2181645
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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1461288107458727 6.6622e-08  
a 2.994493524015673 3.0931e-08 au
q 2.556911746565046 1.9359e-07 au
i 2.992322928264058 5.3663e-06 deg
node 107.1851004663168 0.00014073 deg
peri 257.867230093534 0.00014218 deg
M 350.9932249685211 2.412e-05 deg
tp 2459443.853306400826
(2021-Aug-17.35330640)
0.00012725 TDB
period 1892.707461296328
5.18
2.9326e-05
8.029e-08
d
yr
n .1902037199945487 2.947e-09 deg/d
Q 3.432075301466301 3.5451e-08 au
  Orbit Determination Parameters
   # obs. used (total)      296  
   data-arc span      6830 days (18.70 yr)  
   first obs. used      2000-08-25  
   last obs. used      2019-05-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58401  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:31:27  

Additional Information
 Earth MOID = 1.5563 au 
 Jupiter MOID = 2.03067 au 
 T_jup = 3.237 
[ 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 15.73   n/a MPCxxxxx  

181645 (2006 YZ46)          Discovered 2006-Dec-22 by LINEAR at Socorro
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ hide close-approach data ]
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
1978-May-18 11:38 00:05 Psych 0.0417202157060055 0.0417155731263016 0.0417248603283656 0.832288690968121 0.832288342524343 2443646.984528800 4.62559057685473 522.074326771891 60.327087775623 64.5836229806139 91708.5998470002 T 13 CATAB v2.0f-lin.ifort 2021-Apr-13 21:31:27 2021-Apr-13 21:31
2141-Dec-25 04:07 00:03 Inter 0.0165525899194923 0.0165237356950969 0.0165815252253899 6.13085149959933 6.13085135534397 2503402.671335991 3.22967123463265 2326.33205343529 38.6016196874317 51.7562112360985 50362.8052190014 T 13 CATAB v2.0f-lin.ifort 2021-Apr-13 21:31:27 2021-Apr-13 21:31
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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