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 ]  
(2021 AS5)
Classification: Apollo [NEO]          SPK-ID: 54105513
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3179152851902241 7.6359e-05  
a 1.456930102954111 0.00016693 au
q .9937497537712321 2.6133e-06 au
i .9975607385932804 0.00023901 deg
node 168.311285646817 0.0013909 deg
peri 295.0009672570039 0.0013046 deg
M 349.0075420731428 0.0017207 deg
tp 2459220.113216091989
(2021-Jan-05.61321609)
0.00030186 TDB
period 642.3274794497744
1.76
0.1104
0.0003023
d
yr
n .5604617761463053 9.6325e-05 deg/d
Q 1.920110452136989 0.00022 au
  Orbit Determination Parameters
   # obs. used (total)      70  
   data-arc span      36 days  
   first obs. used      2021-01-12  
   last obs. used      2021-02-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .32766  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:22:54  

Additional Information
 Earth MOID = .0185967 au 
 Jupiter MOID = 3.23078 au 
 T_jup = 4.575 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 26.3   .3097 E2021D54 autocmod 2.8

[ 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
1931-Aug-26 06:21 3_15:39 Mars 0.04690278337614 0.0146447370433879 0.227326948969225 8.70359156570461 8.7028902289937 2426579.764669385 5258.84169861823 9090469.56189993 18.8171619526121 18.1971017898499 118561.519618813 T 11 CATAB v2.0g-lin.ifort 2021-Apr-15 23:22:54 2021-Apr-15 23:22
1937-Dec-11 20:32 4_03:32 Mars 0.0368634903811721 0.0295364062794237 0.130018324135788 8.95310222597212 8.9522347504356 2428879.355311402 5971.73054924719 5214173.94882269 15.4014526272849 53.2503154020042 290696.117211781 T 11 CATAB v2.0g-lin.ifort 2021-Apr-15 23:22:54 2021-Apr-15 23:22
1962-Nov-12 06:23 3_04:51 Earth 0.345291427560003 0.288278346741081 0.402335369364962 14.8785045690935 14.877985918538 2437980.765823325 4611.18755719529 2848436.56814055 20.5087718122732 3.27997403697939 115485.393693119 T 11 CATAB v2.0g-lin.ifort 2021-Apr-15 23:22:54 2021-Apr-15 23:22
1963-Mar-28 14:58 6_05:31 Earth 0.422233696097124 0.386537564566489 0.457938943365707 4.5581978698455 4.55681324455134 2438117.123393250 8970.68644111717 1782936.52633139 9.49659749933691 4.22303086207234 178523.807805907 T 11 CATAB v2.0g-lin.ifort 2021-Apr-15 23:22:54 2021-Apr-15 23:22
1966-Feb-28 02:54 06:39 Mars 0.0342607682190814 0.0282915386754949 0.050395065972372 9.04928505252899 9.04836159487068 2439184.621176245 398.851453509822 1116098.3585395 14.3138875375105 55.6681404070849 298006.196416978 T 11 CATAB v2.0g-lin.ifort 2021-Apr-15 23:22:54 2021-Apr-15 23:22
1969-Dec-17 01:17 1_18:06 Earth 0.0308480283974261 0.0282922356526483 0.0334713372186102 4.57232307469272 4.55339318955103 2440572.553574813 2525.67972153737 147910.816573302 7.39829193603922 29.3342190114387 280931.07028201 T 11 CATAB v2.0g-lin.ifort 2021-Apr-15 23:22:54 2021-Apr-15 23:22
1977-Feb-04 06:57 8_05:34 Earth 0.0852854321103757 0.0278675838650746 0.143795437719808 6.73691907642282 6.73228006198253 2443178.789713092 11853.5414270329 2930329.98437058 2.5946599348404 7.20111875249308 455313.330629289 T 11 CATAB v2.0g-lin.ifort 2021-Apr-15 23:22:54 2021-Apr-15 23:22
1983-Oct-14 13:11 7_16:56 Earth 0.405537357103434 0.365763320762513 0.445343117612107 4.18901009084899 4.18744134925817 2445622.049464615 11095.6597349385 1992211.43985777 11.0383279178254 6.18296748154198 186955.998648823 T 11 CATAB v2.0g-lin.ifort 2021-Apr-15 23:22:54 2021-Apr-15 23:22
1984-Feb-23 19:04 3_14:31 Earth 0.318342289302625 0.256414454720311 0.38027945991406 14.0762931267292 14.0756985075781 2445754.294703155 5190.79765292374 3089519.8227358 4.84844667378198 1.68046283358887 224738.127284297 T 11 CATAB v2.0g-lin.ifort 2021-Apr-15 23:22:54 2021-Apr-15 23:22
2006-Nov-11 12:13 1_23:32 Earth 0.369186274054328 0.334854589756913 0.403530264152087 15.6024386193955 15.6019760458777 2454051.009113497 2851.87741746119 1715584.86509881 21.2771291503167 3.57561660208811 130808.196672208 T 11 CATAB v2.0g-lin.ifort 2021-Apr-15 23:22:54 2021-Apr-15 23:22
2007-Apr-01 01:07 3_15:33 Earth 0.436583407526099 0.415753699526052 0.45741751550421 4.86418572472185 4.86293087706413 2454191.546834169 5252.75387181403 1041100.43983775 10.163479332866 4.57470353661302 195499.111735741 T 11 CATAB v2.0g-lin.ifort 2021-Apr-15 23:22:54 2021-Apr-15 23:22
2013-Nov-28 07:30 2_05:59 Earth 0.126585873579365 0.104711337434031 0.148503330829192 8.07895767937197 8.07635187489784 2456624.812474440 3239.01385610898 1098036.5076174 12.7149629128 6.16760681834053 120948.396356245 T 11 CATAB v2.0g-lin.ifort 2021-Apr-15 23:22:54 2021-Apr-15 23:22
2014-May-30 15:09 09:06 Mars 0.0609905596214712 0.0449801857476866 0.0774378288609682 8.47459007208537 8.47403616226116 2456808.130994173 546.131129891366 849290.099794728 19.5269788388209 17.0009657387558 140269.284621523 T 11 CATAB v2.0g-lin.ifort 2021-Apr-15 23:22:54 2021-Apr-15 23:22
2020-Sep-14 05:01 01:15 Mars 0.0291734955813472 0.0291709116160854 0.0291763647029558 9.55163473915612 9.55060728281753 2459106.708924566 74.5990022068512 4582.42558796349 15.9460235176886 88.3082459608045 313069.290748531 T 11 CATAB v2.0g-lin.ifort 2021-Apr-15 23:22:54 2021-Apr-15 23:22
2021-Jan-17 14:55 < 00:01 Earth 0.0228467830762319 0.0228310361394682 0.0228625297418046 4.3563417410559 4.3294879264775 2459232.121201353 0.101116280349893 775.296647669827 1.31703324988463 0.112809568831639 2314.0747573462 T 11 CATAB v2.0g-lin.ifort 2021-Apr-15 23:22:54 2021-Apr-15 23:22
2027-Oct-10 19:17 2_10:48 Earth 0.43268681382886 0.418582840202286 0.446797398379655 4.7760757965039 4.77478628233432 2461689.303679302 3527.57835456655 708512.032421341 11.3774026769151 7.33276584258446 268143.965144515 T 11 CATAB v2.0g-lin.ifort 2021-Apr-15 23:22:54 2021-Apr-15 23:22
2028-Feb-26 21:22 1_07:27 Earth 0.361569266251202 0.338634010616462 0.38450561810727 15.3830454583301 15.3825664034287 2461828.390220541 1886.83435515172 1144146.60668978 5.35013704863626 1.65933649699329 232177.403197804 T 11 CATAB v2.0g-lin.ifort 2021-Apr-15 23:22:54 2021-Apr-15 23:22
2042-Aug-15 17:45 10:25 Mars 0.0864690156280404 0.0396239986410894 0.135323348410301 8.12647968892934 8.12607225789096 2467112.239236667 625.410351257227 2475459.57764378 19.467807212051 12.8116666060824 153891.772432525 T 11 CATAB v2.0g-lin.ifort 2021-Apr-15 23:22:54 2021-Apr-15 23:22
2043-Nov-16 07:21 4_05:58 Earth 0.302516962443081 0.232122348275935 0.372976697105143 13.6023720894976 13.601724561856 2467569.806441262 6117.59424099715 3518886.49419943 18.6018525017591 3.56624142348949 119545.947326019 T 11 CATAB v2.0g-lin.ifort 2021-Apr-15 23:22:54 2021-Apr-15 23:22
2044-Mar-24 03:40 9_10:06 Earth 0.395606006223424 0.348806602973991 0.442384188724788 3.90313126822045 3.90140530174467 2467698.653088022 13565.7557377931 2328692.41459156 8.98088378825413 1.77725087409531 58087.0208831629 T 11 CATAB v2.0g-lin.ifort 2021-Apr-15 23:22:54 2021-Apr-15 23:22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-17 02:08 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin