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JPL Small-Body Database Browser
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(2021 NR8)
Classification: Amor [NEO]          SPK-ID: 54171308
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4411221372729606 0.00044579  
a 2.198668505280546 0.0019995 au
q 1.228787155076446 0.00013878 au
i 3.444689319648993 0.0016318 deg
node 344.1283280334704 0.0076555 deg
peri 310.3789869131645 0.0080129 deg
M 358.778377316418 0.0033587 deg
tp 2459400.540849238742
(2021-Jul-05.04084924)
0.0058873 TDB
period 1190.797899791389
3.26
1.6244
0.004447
d
yr
n .3023183027641105 0.00041239 deg/d
Q 3.168549855484647 0.0028815 au
  Orbit Determination Parameters
   # obs. used (total)      15  
   data-arc span      21 days  
   first obs. used      2021-07-13  
   last obs. used      2021-08-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .41255  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-04 06:07:30  

Additional Information
 Earth MOID = .218367 au 
 Jupiter MOID = 2.07062 au 
 T_jup = 3.531 
[ 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 22.84   .15736 E2021P24 autocmod 2.9c

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