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 BQ)
Classification: Apollo [NEO]          SPK-ID: 54106299
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5892198249918714 0.00061556  
a 2.443809258059168 0.0037058 au
q 1.00386839471203 1.7978e-05 au
i 4.515439548554416 0.0034537 deg
node 300.8902988740898 6.1476e-05 deg
peri 187.2967524390677 0.0015656 deg
M 349.4279098790851 0.023978 deg
tp 2459241.478658906187
(2021-Jan-26.97865891)
0.00029123 TDB
period 1395.402142575623
3.82
3.174
0.00869
d
yr
n .2579901442142798 0.00058683 deg/d
Q 3.883750121406305 0.0058894 au
  Orbit Determination Parameters
   # obs. used (total)      63  
   data-arc span      9 days  
   first obs. used      2021-01-17  
   last obs. used      2021-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .37025  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-06 06:16:14  

Additional Information
 Earth MOID = .0206568 au 
 Jupiter MOID = 1.20522 au 
 T_jup = 3.233 
[ hide covariance matrix ]
Orbital Elements at Epoch 2459233.5 (2021-Jan-19.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5898850033241906 0.00061446  
q 1.003806346852286 1.8101e-05 au
tp 2459241.495865623092
(2021-Jan-26.99586562)
0.00024177 TDB
node 300.8786685070173 3.0101e-05 deg
peri 187.3345495569208 0.0014603 deg
i 4.519409780126112 0.0034448 deg
  Orbit Determination Parameters
   # obs. used (total)      63  
   data-arc span      9 days  
   first obs. used      2021-01-17  
   last obs. used      2021-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .37025  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-06 06:16:14  

Additional Information
 Jupiter MOID = 1.20522 au 
 T_jup = 3.233 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.775606716008518E-7 1.112185523949199E-8 1.325762533787747E-7 -1.644039966924339E-8 8.937369543197657E-7 2.116663079936001E-6
q 1.112185523949199E-8 3.276364400318573E-10 3.891209647782915E-9 -4.849274797361408E-10 2.631017743130834E-8 6.235112084144541E-8
tp 1.325762533787747E-7 3.891209647782915E-9 5.8453187395333E-8 -5.229261785587417E-9 3.279246689112688E-7 7.431392286000902E-7
node -1.644039966924339E-8 -4.849274797361408E-10 -5.229261785587417E-9 9.06084304655612E-10 -3.8438726740134E-8 -9.225089200063046E-8
peri 8.937369543197657E-7 2.631017743130834E-8 3.279246689112688E-7 -3.8438726740134E-8 2.132467593708575E-6 5.010379024399576E-6
i 2.116663079936001E-6 6.235112084144541E-8 7.431392286000902E-7 -9.225089200063046E-8 5.010379024399576E-6 1.186664498496015E-5

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 26.40   .44423 E2021D69 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-Apr-12 03:08 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin