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187444 (2005 WQ102)
Classification: Main-belt Asteroid          SPK-ID: 2187444
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1273103159859292 3.8473e-08  
a 2.916023914858292 2.3998e-08 au
q 2.544783988835157 1.1604e-07 au
i 9.702566638288248 4.5069e-06 deg
node 174.7375687205168 3.0008e-05 deg
peri 221.4548944403151 3.7476e-05 deg
M 32.83615532203586 2.1062e-05 deg
tp 2459034.604406883169
(2020-Jul-04.10440688)
0.00010666 TDB
period 1818.800433130505
4.98
2.2452e-05
6.147e-08
d
yr
n .1979326557451775 2.4434e-09 deg/d
Q 3.287263840881428 2.7053e-08 au
  Orbit Determination Parameters
   # obs. used (total)      360  
   data-arc span      6501 days (17.80 yr)  
   first obs. used      2003-04-25  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57165  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:55:26  

Additional Information
 Earth MOID = 1.55854 au 
 Jupiter MOID = 2.18829 au 
 T_jup = 3.248 
[ 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 16.00   n/a MPCxxxxx  

187444 (2005 WQ102)          Discovered 2005-Nov-25 by CSS at Catalina
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ 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
2071-Oct-05 17:33 00:01 Hygie 0.0337119920762039 0.0336739376304199 0.033750060170124 5.10068657242765 5.10068634773473 2477755.231009041 1.31383974185023 2176.65123402989 94.6478602058483 29.4612010184341 26253.7684155955 T 23 CATAB v2.0f-lin.ifort 2021-Apr-13 21:55:27 2021-Apr-13 21:55
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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