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JPL Small-Body Database Browser
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17623 (1995 WO42)
Classification: Main-belt Asteroid          SPK-ID: 2017623
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1331320497202085 4.1296e-08  
a 3.101563218615012 1.8875e-08 au
q 2.688645749983988 1.2642e-07 au
i 18.46702363075236 4.4041e-06 deg
node 44.83080153186081 1.2646e-05 deg
peri 339.9087291577654 1.9921e-05 deg
M 187.5043522417106 1.5956e-05 deg
tp 2459956.471675094238
(2023-Jan-11.97167509)
9.1692e-05 TDB
period 1995.121659626844
5.46
1.8213e-05
4.986e-08
d
yr
n .1804401241713412 1.6472e-09 deg/d
Q 3.514480687246035 2.1388e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1555  
   data-arc span      8825 days (24.16 yr)  
   first obs. used      1995-11-30  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46905  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:08:27  

Additional Information
 Earth MOID = 1.70102 au 
 Jupiter MOID = 1.93552 au 
 T_jup = 3.129 
[ 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 13.0   n/a MPO474000  

17623 (1995 WO42)          Discovered 1995-Nov-30 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ 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
1910-Oct-25 16:40 00:03 Jupiter 1.9943385455878 1.9943378156442 1.99433927553276 4.79141298354512 4.7019369803224 2418970.194394412 2.71269231575877 269.349002432733 35.7504759084831 -87.5501431520365 4096233.6024191 T 28 CATAB v2.0f-lin.ifort 2020-Feb-22 22:08:42 2020-Feb-22 22:08
1982-Jan-23 14:07 < 00:01 Jupiter 1.98217234452119 1.98217192730689 1.98217276173662 4.83562193864815 4.74643012150445 2444993.087871331 0.867019804987843 228.75719925991 18.4491398718097 87.9810031400848 4291060.70953737 T 28 CATAB v2.0f-lin.ifort 2020-Feb-22 22:08:42 2020-Feb-22 22:08
2053-Apr-23 04:24 00:01 Jupiter 1.97185999539031 1.97185946896088 1.97186052182008 4.86958591079273 4.7805602960649 2471015.682999426 1.00693825001131 215.278235328068 24.8318498926383 88.2312963708629 4535606.07205605 T 28 CATAB v2.0f-lin.ifort 2020-Feb-22 22:08:42 2020-Feb-22 22:08
2124-Jul-22 03:18 00:03 Jupiter 1.96552931238016 1.96552859996896 1.96553002479449 4.89431925679729 4.80546394436915 2497037.637703496 2.81607969021838 305.159676733781 32.4548774799612 -87.3259691205296 4608822.05634822 T 28 CATAB v2.0f-lin.ifort 2020-Feb-22 22:08:42 2020-Feb-22 22:08
2195-Oct-20 21:50 00:05 Jupiter 1.95910879955979 1.95910801044035 1.95910958870151 4.90957627409864 4.82070921408388 2523060.409672473 4.62572287348735 493.02234949299 29.0546072784852 -86.9318923751455 4577920.78781883 T 28 CATAB v2.0f-lin.ifort 2020-Feb-22 22:08:42 2020-Feb-22 22:08

Alternate Designations
 1995 WO42 = 1998 HC41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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