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(2021 CU3)
Classification: Apollo [NEO]          SPK-ID: 54111258
[ 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 2459255.5 (2021-Feb-10.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7799236378956929 0.00087275  
a 2.403705172770958 0.0085122 au
q .5289986899947375 0.0002245 au
i 17.80830898687604 0.021941 deg
node 144.5401874890804 0.0017014 deg
peri 101.7828907125501 0.0093037 deg
M 345.3672659384736 0.085225 deg
tp 2459310.827774674929
(2021-Apr-06.32777468)		 0.028346 TDB
period 1361.194620173168
3.73		 7.2306
0.0198		 d
yr
n .2644735695136685 0.0014049 deg/d
Q 4.278411655547179 0.015151 au
   Orbit Determination Parameters
   # obs. used (total)      85  
   data-arc span      13 days  
   first obs. used      2021-02-07  
   last obs. used      2021-02-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .54373  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-21 05:18:04  

Additional Information
 Earth MOID = .0411191 au 
 Jupiter MOID = 1.55351 au 
 T_jup = 2.975 
[ 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 22.65   .46944 E2021D74 autocmod 2.8

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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