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295921 (2008 WH134)
Classification: Main-belt Asteroid          SPK-ID: 2295921
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02885793536818929 7.9427e-08  
a 2.673833548044265 3.5911e-08 au
q 2.596672232329507 2.3055e-07 au
i 6.460776927257738 4.9295e-06 deg
node 111.0855518718095 7.3669e-05 deg
peri 240.4400993532283 0.00012439 deg
M 296.5820989538646 0.00010253 deg
tp 2459281.825657201851
(2021-Mar-08.32565720)
0.00045603 TDB
period 1596.98184458973
4.37
3.2172e-05
8.808e-08
d
yr
n .2254252302364058 4.5413e-09 deg/d
Q 2.750994863759022 3.6947e-08 au
  Orbit Determination Parameters
   # obs. used (total)      220  
   data-arc span      6707 days (18.36 yr)  
   first obs. used      2001-01-21  
   last obs. used      2019-06-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53777  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:43:20  

Additional Information
 Earth MOID = 1.59503 au 
 Jupiter MOID = 2.37314 au 
 T_jup = 3.370 
[ 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 16.0   n/a MPO433907  

295921 (2008 WH134)          Discovered 2008-Nov-21 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ 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
1995-Dec-28 22:30 00:02 Psych 0.0343677199300463 0.0343642223065681 0.0343712186155247 2.14524532723987 2.14524516313347 2450080.437275217 2.48676995752158 374.549335640628 74.0579611238734 -64.654970382348 62818.9306934649 T 13 CATAB v2.0f-lin.ifort 2020-Feb-25 16:43:22 2020-Feb-25 16:43
2182-Jun-15 18:24 00:06 Amphi 0.0303036805351344 0.0302886544591799 0.0303189062309576 3.56497068411442 3.56497063090093 2518185.266922387 5.79607925049333 3974.54873248869 87.7028827819542 79.1411535813451 50731.3987505265 T 13 CATAB v2.0f-lin.ifort 2020-Feb-25 16:43:22 2020-Feb-25 16:43
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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