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(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 
[ 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 26.40   .44423 E2021D69 autocmod 2.8

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2021-Jan-22 09:56 < 00:01 Earth 0.0219530826401334 0.0218913164097864 0.0220148474896559 7.81688239937266 7.80134010126822 2459236.913550055 0.101325615214886 3067.71241422159 10.201886925454 -0.368586242913932 653.253784180773 T 9 CATAB v2.0f-lin.ifort 2021-Mar-06 06:16:14 2021-Mar-06 06:16
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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