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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1332196982721914 1.8456e-08  
a 3.101494270588387 1.683e-08 au
q 2.688314139667671 6.0737e-08 au
i 18.46739024659614 9.9028e-07 deg
node 44.83040681335776 2.4471e-06 deg
peri 339.8547609436883 6.144e-06 deg
M 223.6659891613261 8.1454e-06 deg
tp 2459956.038522344822
(2023-Jan-11.53852235)
4.7581e-05 TDB
period 1995.055132398256
5.46
1.6239e-05
4.446e-08
d
yr
n .1804461411385879 1.4687e-09 deg/d
Q 3.514674401509102 1.9072e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1772  
   data-arc span      8993 days (24.62 yr)  
   first obs. used      1995-11-30  
   last obs. used      2020-07-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46638  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:08:34  

Additional Information
 Earth MOID = 1.69958 au 
 Jupiter MOID = 1.93662 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 13.12   n/a E2021B10  

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 16:39 00:02 Jupiter 1.99433869369551 1.99433804890849 1.99433933848434 4.79141028216946 4.70193423474767 2418970.193792439 2.39889727671594 133.225327430401 22.0180564933542 -78.9369097540033 13252824.670458 T 33 CATAB v2.0f-lin.ifort 2021-Apr-13 02:09:35 2021-Apr-13 02:09
1982-Jan-23 14:06 < 00:01 Jupiter 1.98217233488494 1.98217212081681 1.98217254895306 4.83561978096067 4.74642792333078 2444993.087718646 0.765048969946359 82.4834332756163 10.6262516147671 89.547611611325 13589377.1092299 T 33 CATAB v2.0f-lin.ifort 2021-Apr-13 02:09:35 2021-Apr-13 02:09
2053-Apr-23 04:24 < 00:01 Jupiter 1.97185992101309 1.97185967335523 1.97186016867107 4.86958379982805 4.78055814289605 2471015.682988020 0.852295434644023 97.4095809882265 12.0372155524511 -88.5104314747814 13037141.3184568 T 33 CATAB v2.0f-lin.ifort 2021-Apr-13 02:09:35 2021-Apr-13 02:09
2124-Jul-22 03:18 00:02 Jupiter 1.96552919103336 1.96552874598777 1.96552963608588 4.89431717142979 4.80546181540118 2497037.637798321 2.45208696656902 233.497998790812 13.1429607155048 -85.4902228800457 12644207.9138166 T 33 CATAB v2.0f-lin.ifort 2021-Apr-13 02:09:35 2021-Apr-13 02:09
2195-Oct-20 21:51 00:04 Jupiter 1.95910859653582 1.95910807170802 1.95910912139269 4.90957433442608 4.82070722985574 2523060.410215152 4.04617173043758 425.998335159887 11.5566980288551 -86.791086596484 12560833.8641606 T 33 CATAB v2.0f-lin.ifort 2021-Apr-13 02:09:35 2021-Apr-13 02:09

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