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JPL Small-Body Database Browser
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(2021 NW8)
Classification: Amor [NEO]          SPK-ID: 54171312
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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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 2459410.5 (2021-Jul-15.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4897422730212207 0.0015012  
a 2.098464176935133 0.0064459 au
q 1.070757561069316 0.00013891 au
i 8.227317554674119 0.017076 deg
node 119.1089388232738 0.0046246 deg
peri 179.1418042967835 0.00036946 deg
M 357.3335331764298 0.012249 deg
tp 2459418.724025537164
(2021-Jul-23.22402554)
0.00040358 TDB
period 1110.326656686063
3.04
5.116
0.01401
d
yr
n .3242289085218165 0.0014939 deg/d
Q 3.12617079280095 0.0096028 au
  Orbit Determination Parameters
   # obs. used (total)      24  
   data-arc span      20 days  
   first obs. used      2021-07-14  
   last obs. used      2021-08-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .31276  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-04 06:07:33  

Additional Information
 Earth MOID = .0547235 au 
 Jupiter MOID = 2.12438 au 
 T_jup = 3.576 
[ 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 24.95   .32615 E2021P24 autocmod 2.9c

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