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21223 (1995 DL)
Classification: Main-belt Asteroid          SPK-ID: 2021223
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1054651537373851 4.679e-08  
a 3.164900544638976 1.8704e-08 au
q 2.831113822135093 1.46e-07 au
i 4.284576165063279 5.156e-06 deg
node 348.2062296621663 4.3418e-05 deg
peri 201.1073271030701 4.6613e-05 deg
M 180.7255610681148 1.9412e-05 deg
tp 2460224.628374142103
(2023-Oct-07.12837414)
0.00011543 TDB
period 2056.546470806349
5.63
1.823e-05
4.991e-08
d
yr
n .1750507489669553 1.5517e-09 deg/d
Q 3.498687267142859 2.0676e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1828  
   data-arc span      9483 days (25.96 yr)  
   first obs. used      1995-02-21  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .496  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:41:44  

Additional Information
 Earth MOID = 1.83176 au 
 Jupiter MOID = 1.46946 au 
 T_jup = 3.191 
[ 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 13.47   n/a E2021B10  

21223 (1995 DL)          Discovered 1995-Feb-21 by Kobayashi, T. at Oizumi
Reference: 20010208/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
1965-Feb-12 19:26 00:02 Jupiter 1.79374351665861 1.79374238113456 1.79374465218204 2.63065249262513 2.44456821954748 2438804.309436325 1.87030954440476 39.7600414529311 30.7129758561402 -84.9713858480496 1288695.9265942 T 29 CATAB v2.0f-lin.ifort 2021-Apr-13 03:41:57 2021-Apr-13 03:41
1975-Oct-31 20:50 00:01 Jupiter 1.5486087810991 1.54860810533425 1.54860945686395 1.96071356761856 1.6584581898916 2442717.368341420 1.42564916309687 78.293461687423 32.8013760712247 -83.7278573536801 1910766.63566579 T 29 CATAB v2.0f-lin.ifort 2021-Apr-13 03:41:57 2021-Apr-13 03:41
1986-Aug-03 21:00 < 00:01 Jupiter 1.55484532544987 1.55484489183843 1.55484575906156 2.19823981021153 1.93461413935007 2446646.375175042 0.957808349521469 100.099950183979 23.2984467205968 84.0688813683201 2556057.28639433 T 29 CATAB v2.0f-lin.ifort 2021-Apr-13 03:41:57 2021-Apr-13 03:41
1997-May-04 19:42 < 00:01 Jupiter 1.81857237346181 1.81857192942013 1.8185728175035 2.92100373041805 2.75694362064323 2450573.320597671 0.600688113552484 42.1751203011008 15.3685852830166 84.8231701051649 3185722.41260733 T 29 CATAB v2.0f-lin.ifort 2021-Apr-13 03:41:57 2021-Apr-13 03:41
2083-Dec-10 12:06 00:02 Jupiter 1.80879252628289 1.80879161250588 1.80879344005959 2.665356396229 2.48345796234918 2482204.004171249 1.98698666841545 44.0463837482668 25.7687412416164 -88.0883561709084 1627351.96918194 T 29 CATAB v2.0f-lin.ifort 2021-Apr-13 03:41:57 2021-Apr-13 03:41
2094-Aug-26 14:01 00:02 Jupiter 1.55934870983605 1.55934809947613 1.55934932019579 1.90229330781419 1.59133276717832 2486116.084218291 2.34578805957237 74.0628492517538 38.0260742561131 88.2220122455757 2143302.55309378 T 29 CATAB v2.0f-lin.ifort 2021-Apr-13 03:41:57 2021-Apr-13 03:41
2105-May-28 10:53 00:03 Jupiter 1.54853433891485 1.54853349815203 1.54853517968629 2.15646051194849 1.88583011578257 2490042.953540527 2.70830125994743 230.219514757934 27.1092644995531 88.696983453678 2627511.59387452 T 29 CATAB v2.0f-lin.ifort 2021-Apr-13 03:41:57 2021-Apr-13 03:41
2116-Feb-27 13:59 00:03 Jupiter 1.79751635548051 1.79751460943464 1.79751810152567 2.92402782219622 2.75817008272718 2493970.082567993 3.14192761281615 66.2888307259086 42.0836955142503 -8.23359937316336 1091603.82467517 T 29 CATAB v2.0f-lin.ifort 2021-Apr-13 03:41:57 2021-Apr-13 03:41

Alternate Designations
 1995 DL = 1998 TF19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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