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 ]  
103291 (2000 AL44)
Classification: Main-belt Asteroid          SPK-ID: 2103291
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03756342590499612 3.8634e-08  
a 2.697380250602895 1.6661e-08 au
q 2.596057407421773 1.0362e-07 au
i 2.059990152563631 3.8104e-06 deg
node 68.71149623586771 0.00011931 deg
peri 97.45865788649867 0.00013097 deg
M 211.0387551415142 5.6278e-05 deg
tp 2459870.049174973567
(2022-Oct-17.54917497)
0.00025515 TDB
period 1618.123581200409
4.43
1.4992e-05
4.105e-08
d
yr
n .2224799169745324 2.0613e-09 deg/d
Q 2.798703093784017 1.7287e-08 au
  Orbit Determination Parameters
   # obs. used (total)      559  
   data-arc span      8069 days (22.09 yr)  
   first obs. used      1998-09-18  
   last obs. used      2020-10-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4748  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:46:03  

Additional Information
 Earth MOID = 1.60282 au 
 Jupiter MOID = 2.16314 au 
 T_jup = 3.367 
[ 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 16.3   n/a MPO436485  

103291 (2000 AL44)          Discovered 2000-Jan-05 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ 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
2106-Dec-19 15:23 00:04 Amphi 0.0444005491210453 0.0443828263403301 0.0444182824691504 2.27613765493426 2.27613759805077 2490613.141033571 3.77108651549306 1394.44131273163 48.9915452268311 50.7904128397212 104928.850003022 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 15:46:05 2021-Apr-13 15:46

Alternate Designations
 2000 AL44 = 1998 SY28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-23 18:41 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin