Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
(2021 DP1)
Classification: Apollo [NEO]          SPK-ID: 54123431
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5958540771933216 0.00057052  
a 2.401806854522184 0.00335 au
q .9706804476242735 1.6391e-05 au
i 3.138869420730464 0.0022043 deg
node 331.2463178554509 0.00041602 deg
peri 207.4873474089072 0.0034979 deg
M 336.9126141066803 0.048603 deg
tp 2459287.692234580392
(2021-Mar-14.19223458)
0.001139 TDB
period 1359.582440124741
3.72
2.8445
0.007788
d
yr
n .2647871797807055 0.00055398 deg/d
Q 3.832933261420094 0.0053461 au
  Orbit Determination Parameters
   # obs. used (total)      101  
   data-arc span      6 days  
   first obs. used      2021-02-18  
   last obs. used      2021-02-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .37459  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-26 05:18:57  

Additional Information
 Earth MOID = .00743561 au 
 Jupiter MOID = 1.14655 au 
 T_jup = 3.256 
[ 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 25.94   .40096 E2021-DA1 autocmod 2.8

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Feb-27 04:52 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin