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120621 (1996 AS13)
Classification: Main-belt Asteroid          SPK-ID: 2120621
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2073884177884765 3.8907e-08  
a 3.11229384369311 2.0997e-08 au
q 2.46684014775678 1.2072e-07 au
i 10.4593395519549 4.4782e-06 deg
node 116.4091897214396 2.3999e-05 deg
peri 288.8202432511315 2.6447e-05 deg
M 275.7640540181142 1.3786e-05 deg
tp 2459669.760797157902
(2022-Mar-31.26079716)
8.0544e-05 TDB
period 2005.484535226477
5.49
2.0295e-05
5.556e-08
d
yr
n .1795077417335185 1.8166e-09 deg/d
Q 3.75774753962944 2.5352e-08 au
  Orbit Determination Parameters
   # obs. used (total)      555  
   data-arc span      8542 days (23.39 yr)  
   first obs. used      1996-01-15  
   last obs. used      2019-06-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52282  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:07:23  

Additional Information
 Earth MOID = 1.50006 au 
 Jupiter MOID = 1.7485 au 
 T_jup = 3.160 
[ 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 15.25   n/a MPCxxxxx  
diameter diameter 3.508 km 0.831 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.143   0.121 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120621 (1996 AS13)          Discovered 1996-Jan-15 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

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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
1959-Dec-16 16:22 00:02 Jupiter 1.75435150444669 1.75435098102826 1.75435202786591 2.21000804450607 1.97952290384454 2436919.181951834 1.70325461252368 157.843467759076 42.8475825010587 -87.7948563948532 1315596.577974 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 17:07:24 2021-Apr-13 17:07
1969-Nov-03 20:09 00:01 Jupiter 1.95065492629208 1.95065421788379 1.95065563470027 1.77512001755 1.51082815592547 2440529.339406725 1.44332452635673 153.833594360101 23.2507947142979 -62.3219374757809 2162846.49244756 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 17:07:24 2021-Apr-13 17:07
2031-Jan-06 05:04 < 00:01 Jupiter 1.7424363193858 1.7424358164894 1.7424368222822 2.11919540666399 1.8758361804125 2462872.710792322 0.605860711793299 123.400038401794 32.938157229794 77.6785136257416 1948785.67170115 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 17:07:24 2021-Apr-13 17:07
2040-Nov-23 19:59 < 00:01 Jupiter 1.98717020255571 1.98716960800744 1.98717079710376 1.94658956195085 1.71368601766534 2466482.332689035 0.970165386102697 93.1700017412746 15.9834717096379 -68.3422930927716 2293153.37574168 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 17:07:24 2021-Apr-13 17:07
2092-Jan-13 15:42 00:02 Jupiter 1.95707401099996 1.95707300185346 1.95707502015202 3.80639440959092 3.69093992133609 2485160.154120331 2.35830135066582 188.556241477334 16.2785439955202 77.8137093454413 3033760.52504973 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 17:07:24 2021-Apr-13 17:07
2102-Jan-28 00:51 00:03 Jupiter 1.73934576786769 1.73934515370197 1.73934638203371 2.04758107627489 1.79405489544742 2488826.535631770 2.83574246294861 146.983940661467 92.9411124579947 -82.3256811501437 1160826.45747062 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 17:07:24 2021-Apr-13 17:07
2163-Feb-06 18:26 00:05 Jupiter 1.91701811399449 1.91701618579439 1.91702004221944 3.61897919349778 3.49475648113922 2511116.267989588 4.51226237436396 371.352478985109 15.778269868149 77.7832256930049 2806179.5748991 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 17:07:24 2021-Apr-13 17:07
2173-Feb-18 22:28 00:05 Jupiter 1.74034686422608 1.74034584946733 1.7403478789869 1.99076906796423 1.7290941074282 2514781.436162028 5.1188555383355 181.722819868895 145.302706394653 -24.8154344389753 793413.727524703 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 17:07:24 2021-Apr-13 17:07

Alternate Designations
 1996 AS13 = 2000 YE88 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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