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351621 (2005 WA174)
Classification: Mars-crossing Asteroid          SPK-ID: 2351621
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2854494308476855 6.8528e-08  
a 2.255796823636226 1.2759e-08 au
q 1.611880904221248 1.5476e-07 au
i 4.62862208315874 3.9645e-06 deg
node 121.1844481340873 7.0929e-05 deg
peri 258.2465754643866 7.1347e-05 deg
M 132.8748933572472 7.4467e-06 deg
tp 2458543.739198594653
(2019-Mar-01.23919859)
2.355e-05 TDB
period 1237.509091080347
3.39
1.05e-05
2.875e-08
d
yr
n .2909069538113208 2.4682e-09 deg/d
Q 2.899712743051203 1.6402e-08 au
  Orbit Determination Parameters
   # obs. used (total)      387  
   data-arc span      7797 days (21.35 yr)  
   first obs. used      1998-09-27  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47627  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:56:12  

Additional Information
 Earth MOID = .62217 au 
 Jupiter MOID = 2.57086 au 
 T_jup = 3.565 
[ 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 17.1   n/a MPO368394  

351621 (2005 WA174)          Discovered 2005-Nov-30 by LINEAR at Socorro
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31

[ 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
2077-Mar-26 01:30 00:02 Iris 0.0432045128400551 0.0431831453299485 0.043225884641141 4.47484560352534 4.47484557379048 2479753.562618347 1.94798732247745 1263.49324411122 50.0979607667219 -32.5626085901087 69539.4839847997 T 17 CATAB v2.0f-lin.ifort 2020-Feb-25 23:56:21 2020-Feb-25 23:56
2115-Jan-10 07:55 00:03 Amphi 0.0302725213225647 0.0302453733083036 0.0302996710658853 4.52603409686793 4.52603405491072 2493556.829830477 3.37408250813622 1400.55270032769 71.7288312987244 -14.9564243702082 16583.2787860702 T 17 CATAB v2.0f-lin.ifort 2020-Feb-25 23:56:21 2020-Feb-25 23:56
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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