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(2021 BS)
Classification: Apollo [NEO]          SPK-ID: 54106302
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 2459230.5 (2021-Jan-16.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2554895337928821 0.00065806  
a 1.174739076750226 0.00086933 au
q .87460553770303 0.00012622 au
i 15.62052316269956 0.034091 deg
node 115.7806729067511 0.0019557 deg
peri 76.13502321577062 0.030055 deg
M 311.4722772480569 0.088061 deg
tp 2459293.189955425710
(2021-Mar-19.68995543)
0.044176 TDB
period 465.061673481308
1.27
0.51623
0.001413
d
yr
n .7740908798292303 0.00085926 deg/d
Q 1.474872615797422 0.0010914 au
  Orbit Determination Parameters
   # obs. used (total)      27  
   data-arc span      7 days  
   first obs. used      2021-01-11  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .3914  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jan-17 22:42:02  

Additional Information
 Earth MOID = .0382151 au 
 Jupiter MOID = 3.53859 au 
 T_jup = 5.314 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 4.3304416252013E-7 -8.284373338338218E-8 -2.905754908823341E-5 1.286919103535955E-6 -1.972445242907367E-5 2.24325676538553E-5
q -8.284373338338218E-8 1.593092826960263E-8 5.54681119758175E-6 -2.462502321613721E-7 3.753365849284217E-6 -4.28829431257262E-6
tp -2.905754908823341E-5 5.54681119758175E-6 .001951550154959447 -8.634484565969651E-5 .001326459174078737 -.001505697629490182
node 1.286919103535955E-6 -2.462502321613721E-7 -8.634484565969651E-5 3.824614366541983E-6 -5.860351703327938E-5 6.666346764587211E-5
peri -1.972445242907367E-5 3.753365849284217E-6 .001326459174078737 -5.860351703327938E-5 .0009032887510317135 -.001022531741748238
i 2.24325676538553E-5 -4.28829431257262E-6 -.001505697629490182 6.666346764587211E-5 -.001022531741748238 .00116218708471315

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 25.59   .39216 E2021B55 autocmod 2.8

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