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JPL Small-Body Database Browser
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35030 (1981 EW22)
Classification: Main-belt Asteroid          SPK-ID: 2035030
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2682346941304571 4.1162e-08  
a 3.081115258580291 2.0587e-08 au
q 2.254653249614323 1.2338e-07 au
i 3.036074231702089 6.2909e-06 deg
node 188.4856066122692 8.8775e-05 deg
peri 277.6179084511929 8.9687e-05 deg
M 150.46585980564 1.3324e-05 deg
tp 2458174.850324834844
(2018-Feb-25.35032483)
6.786e-05 TDB
period 1975.424082535399
5.41
1.9799e-05
5.421e-08
d
yr
n .1822393496073768 1.8265e-09 deg/d
Q 3.907577267546261 2.6109e-08 au
  Orbit Determination Parameters
   # obs. used (total)      451  
   data-arc span      13982 days (38.28 yr)  
   first obs. used      1981-02-13  
   last obs. used      2019-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58843  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 03:40:49  

Additional Information
 Earth MOID = 1.27388 au 
 Jupiter MOID = 1.27648 au 
 T_jup = 3.169 
[ 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 15.4   n/a MPO431895  

35030 (1981 EW22)          Discovered 1981-Mar-02 by Bus, S. J. at Siding Spring
Reference: 20020227/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
1903-Mar-17 04:53 00:03 Jupiter 1.58456530501932 1.58456271758434 1.58456789245897 0.97980605218149 n/a 2416190.703348613 3.25722716838975 194.356206308369 46.419101443761 -50.3670065299962 4007583.10988057 F 12 CATAB v2.0f-lin.ifort 2020-Feb-23 03:41:02 2020-Feb-23 03:41
1912-Sep-18 09:07 00:03 Jupiter 1.56848670556798 1.5684843993816 1.56848901177961 0.657412363306707 n/a 2419663.879740157 2.89980414999472 364.356873795459 48.2289261179152 -73.1975185374541 4659701.54253297 F 12 CATAB v2.0f-lin.ifort 2020-Feb-23 03:41:02 2020-Feb-23 03:41
1962-May-31 22:57 00:02 Jupiter 1.52094989443887 1.5209481992785 1.5209515896011 0.740810785761739 n/a 2437816.455991683 1.91222669785909 131.672018198033 46.903352555079 -55.1394014387064 4099732.98821025 F 12 CATAB v2.0f-lin.ifort 2020-Feb-23 03:41:02 2020-Feb-23 03:41
1971-Dec-09 02:48 00:02 Jupiter 1.62850321787538 1.6285017892624 1.62850464649125 0.778956111826633 n/a 2441294.616359615 1.4917710621101 165.301843374315 49.0114856159978 -70.883638267471 4719856.8070545 F 12 CATAB v2.0f-lin.ifort 2020-Feb-23 03:41:02 2020-Feb-23 03:41
2021-Sep-11 04:30 < 00:01 Jupiter 1.48569795719829 1.48569713564944 1.48569877874725 0.652398054269833 n/a 2459468.687670414 0.524628825296017 79.3357976753781 39.1101461406213 -79.823971722485 5613487.85871106 F 12 CATAB v2.0f-lin.ifort 2020-Feb-23 03:41:02 2020-Feb-23 03:41
2031-Mar-27 21:31 < 00:01 Jupiter 1.65632786589053 1.65632677588024 1.6563289559014 0.839888936675073 n/a 2462953.396719163 0.844980706308973 111.51686648075 47.1091034669744 -74.4402943232234 5100428.52464649 F 12 CATAB v2.0f-lin.ifort 2020-Feb-23 03:41:02 2020-Feb-23 03:41
2081-Jan-31 04:59 00:02 Jupiter 1.49039475966809 1.49039308121869 1.49039643812219 0.726901232502134 n/a 2481160.707909218 2.48424197181157 173.607405924765 41.7257234235112 -64.4977126095261 4852725.9600345 F 12 CATAB v2.0f-lin.ifort 2020-Feb-23 03:41:02 2020-Feb-23 03:41
2090-Aug-23 04:32 00:03 Jupiter 1.63656744152965 1.63656503189412 1.63656985117052 0.76337104858706 n/a 2484651.688634793 2.75608324366885 207.357335070851 59.038549616988 -58.2308297202263 3578782.87545359 F 12 CATAB v2.0f-lin.ifort 2020-Feb-23 03:41:02 2020-Feb-23 03:41
2140-Jul-30 05:32 00:04 Jupiter 1.53439725838104 1.53439464315011 1.53439987362186 0.948871441854069 n/a 2502889.730223089 3.765060655739 242.304885150981 40.1950714805005 -58.7212228282067 4903614.77121542 F 12 CATAB v2.0f-lin.ifort 2020-Feb-23 03:41:02 2020-Feb-23 03:41
2150-Feb-22 07:45 00:04 Jupiter 1.5765343475157 1.57653128651732 1.57653740852813 0.563380566224743 n/a 2506383.822594031 3.73168317478291 300.155144117272 63.8427766405201 -61.7879645446148 3275327.22376691 F 12 CATAB v2.0f-lin.ifort 2020-Feb-23 03:41:02 2020-Feb-23 03:41
2200-Feb-12 21:04 00:04 Jupiter 1.60173662761547 1.60173412969998 1.60173912554745 1.26668344221841 0.739497627895303 2524636.378086851 3.51006015209988 2269.00709315664 360.268591018709 -15.7877368007777 603470.585035944 T 12 CATAB v2.0f-lin.ifort 2020-Feb-23 03:41:02 2020-Feb-23 03:41

Alternate Designations
 1981 EW22 = 2001 XH85 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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