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(2021 AR6)
Classification: Amor [NEO]          SPK-ID: 54105989
[ 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 2459229.5 (2021-Jan-15.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3227601033766596 0.0012017  
a 1.512309016664499 0.0028396 au
q 1.024196002108411 0.00010573 au
i 19.15023134330742 0.043423 deg
node 297.4819455153261 0.0035528 deg
peri 185.7252536946241 0.0029439 deg
M 356.5548023354156 0.011555 deg
tp 2459236.000861035394
(2021-Jan-21.50086104)		 0.0039326 TDB
period 679.2962844482137
1.86		 1.9132
0.005238		 d
yr
n .5299602077058685 0.0014926 deg/d
Q 2.000422031220588 0.0037561 au
   Orbit Determination Parameters
   # obs. used (total)      23  
   data-arc span      5 days  
   first obs. used      2021-01-13  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .29809  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jan-18 06:07:35  

Additional Information
 Earth MOID = .0414818 au 
 Jupiter MOID = 3.09595 au 
 T_jup = 4.405 
[ 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 25.23   .47761 E2021B55 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
2021-Jan-16 15:55 < 00:01 Earth 0.0486230175857645 0.0482464560139412 0.0489995741811608 11.3382970080697 11.3334629127423 2459231.162923006 0.947251348777669 18761.4439685524 649.158188855005 -0.0404685024746803 259.494117054127 T 3 CATAB v2.0f-lin.ifort 2021-Jan-18 06:07:35 2021-Jan-18 06:07
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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