Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
22298 (1990 EJ)
Classification: Main-belt Asteroid          SPK-ID: 2022298
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 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1613558875615006 1.5877e-08  
a 3.099350391559133 1.5534e-08 au
q 2.599251958265025 5.2758e-08 au
i 8.857825389711975 7.7762e-07 deg
node 345.4295880542747 2.0159e-06 deg
peri 212.2524750916339 7.1849e-06 deg
M 204.07210717665 1.0413e-05 deg
tp 2460063.728463780567
(2023-Apr-29.22846378)
6.1539e-05 TDB
period 1992.986894994248
5.46
1.4984e-05
4.102e-08
d
yr
n .1806334005026355 1.358e-09 deg/d
Q 3.599448824853242 1.8041e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2544  
   data-arc span      19382 days (53.07 yr)  
   first obs. used      1968-02-25  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46324  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 03:19:34  

Additional Information
 Earth MOID = 1.60275 au 
 Jupiter MOID = 1.40774 au 
 T_jup = 3.184 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457489.5 (2016-Apr-11.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1609567128037654 1.5976e-08  
q 2.600996381757682 5.3153e-08 au
tp 2458074.226826115624
(2017-Nov-16.72682612)
5.3368e-05 TDB
node 345.5270936102043 2.0081e-06 deg
peri 212.862278819558 7.1959e-06 deg
i 8.862860081925639 7.7814e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2544  
   data-arc span      19382 days (53.07 yr)  
   first obs. used      1968-02-25  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46324  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 03:19:34  

Additional Information
 Jupiter MOID = 1.40774 au 
 T_jup = 3.184 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.552245170810164E-16 -8.23389923666849E-16 -1.807899412755154E-13 1.46125286167508E-14 -3.049210866944537E-14 2.338818020733362E-15
q -8.23389923666849E-16 2.82519076163013E-15 8.743527252092621E-13 -4.265329948443053E-14 1.232284824868844E-13 -6.612597606108765E-15
tp -1.807899412755154E-13 8.743527252092621E-13 2.848119520125076E-9 5.268842051110099E-12 3.697199564517687E-10 1.541003160859683E-12
node 1.46125286167508E-14 -4.265329948443053E-14 5.268842051110099E-12 4.032609687111917E-12 -2.461224251806492E-12 9.350437707735346E-13
peri -3.049210866944537E-14 1.232284824868844E-13 3.697199564517687E-10 -2.461224251806492E-12 5.178123529165234E-11 -5.674495568885086E-13
i 2.338818020733362E-15 -6.612597606108765E-15 1.541003160859683E-12 9.350437707735346E-13 -5.674495568885086E-13 6.055007063494088E-13

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 12.64   n/a E2021B10  
rotation period rot_per 2.985538 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]

22298 (1990 EJ)          Discovered 1990-Mar-02 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20010309/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
1916-Aug-25 09:20 00:03 Jupiter 1.49101200488074 1.49101077680299 1.4910132334377 1.97649616509945 1.66444159039901 2421100.889116837 2.65204474229323 1473.71147442659 16.5816379835002 -85.2072699078615 7617007.60554476 T 41 CATAB v2.0g-lin.ifort 2021-May-04 03:20:37 2021-May-04 03:20
1926-Aug-24 20:14 00:02 Jupiter 1.72103733240031 1.72103555821571 1.72103910659685 2.989521396277 2.82009253810898 2424752.342825145 2.24574336688818 249.271193780901 4.22852445061185 71.8160837181698 10524390.6806769 T 41 CATAB v2.0g-lin.ifort 2021-May-04 03:20:37 2021-May-04 03:20
1987-Oct-20 11:35 < 00:01 Jupiter 1.47832636474085 1.47832600271174 1.47832672682551 1.93398314367607 1.6107047954183 2447088.982791075 0.747736982528636 527.750560799668 17.3108002681872 -86.0406547592028 7294759.16656626 T 41 CATAB v2.0g-lin.ifort 2021-May-04 03:20:37 2021-May-04 03:20
1997-Oct-21 03:21 < 00:01 Jupiter 1.74441992932219 1.74441956247318 1.7444202961715 3.06920813274927 2.90670196325994 2450742.639821022 0.421341469596199 47.3054102973769 4.11881238282842 71.6984371733465 10568535.4278288 T 41 CATAB v2.0g-lin.ifort 2021-May-04 03:20:37 2021-May-04 03:20
2058-Dec-28 20:24 00:01 Jupiter 1.47668251531111 1.47668208846687 1.47668294225172 1.85672501384832 1.51665133465099 2473091.350002832 1.18941992671964 684.435190018295 21.9446412051997 -85.0706901292302 6183172.59323331 T 41 CATAB v2.0g-lin.ifort 2021-May-04 03:20:37 2021-May-04 03:20
2068-Dec-29 08:05 00:01 Jupiter 1.75016227977207 1.75016117379149 1.75016338575604 3.12209868983353 2.96303294953224 2476744.836589170 1.42078711606237 136.874695685002 4.32786806546686 69.2077504857628 10731756.2695706 T 41 CATAB v2.0g-lin.ifort 2021-May-04 03:20:37 2021-May-04 03:20
2130-Mar-22 02:55 00:03 Jupiter 1.48143843316703 1.48143732623581 1.4814395404463 1.74270192195553 1.37604373876225 2499106.621327605 3.14954104805995 1311.074197556 38.447932501473 -80.6971566899216 4786205.57641346 T 41 CATAB v2.0g-lin.ifort 2021-May-04 03:20:37 2021-May-04 03:20
2140-Mar-21 05:01 00:03 Jupiter 1.74619924521213 1.74619675300345 1.74620173743877 3.15157523572279 2.99370902846041 2502758.709227389 3.22208676550384 313.252875819855 4.41249406444267 69.7899340293877 10568921.025531 T 41 CATAB v2.0g-lin.ifort 2021-May-04 03:20:37 2021-May-04 03:20

Alternate Designations
 1990 EJ = 1968 DJ = 1998 SE110 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-23 19:22 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin