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(2020 AL2)
Classification: Apollo [NEO]          SPK-ID: 3978223
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458854.5 (2020-Jan-06.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7759535959474056 0.0029517  
a 2.271351783331763 0.02553 au
q .5088881993939288 0.00098471 au
i 3.057646608876883 0.013701 deg
node 103.6809562050897 0.0066257 deg
peri 102.3034867591097 0.0077668 deg
M 346.0892796159492 0.2627 deg
tp 2458902.813906061480
(2020-Feb-23.31390606)
0.097833 TDB
period 1250.331090119147
3.42
21.08
0.05771
d
yr
n .2879237370364795 0.0048543 deg/d
Q 4.033815367269597 0.04534 au
  Orbit Determination Parameters
   # obs. used (total)      37  
   data-arc span      2 days  
   first obs. used      2020-01-05  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      9  
   norm. resid. RMS      .54714  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-07 11:42:07  

Additional Information
 Earth MOID = .00580291 au 
 Jupiter MOID = .936829 au 
 T_jup = 3.123 
[ 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 25.6   .43039 E2020A92 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
1963-Dec-17 20:20 1_15:40 Jupiter 1.46466595143988 1.4226722536245 1.55581056740403 9.1789051503241 9.11568380857351 2438381.347044716 2379.66366209125 13884248.449244 14531.0611326213 76.751097129377 7889.54619695651 T 1 CATAB v2.0f-lin.ifort 2020-Jan-07 11:42:09 2020-Jan-07 11:42
2020-Jan-10 06:10 00:01 Earth 0.0159318034212603 0.0157410707737164 0.0161225336186759 24.7866414447066 24.7798932305596 2458858.756895584 1.15738106529671 9505.89934945162 31.7476105364765 -0.0489414150363897 214.462914404495 T 1 CATAB v2.0f-lin.ifort 2020-Jan-07 11:42:09 2020-Jan-07 11:42
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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