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JPL Small-Body Database Browser
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(2021 JJ3)
Classification: Amor [NEO]          SPK-ID: 54144288
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3778294017207931 0.00031682  
a 1.665190866205447 0.00087542 au
q 1.036032797476114 1.7104e-05 au
i 7.186997350064808 0.0044615 deg
node 225.4462123814694 0.0016628 deg
peri 16.08773093867729 0.0022056 deg
M 17.63933351419542 0.014338 deg
tp 2459358.043112846314
(2021-May-23.54311285)
0.00093396 TDB
period 784.8640859466364
2.15
0.61893
0.001695
d
yr
n .4586781411533165 0.0003617 deg/d
Q 2.29434893493478 0.0012062 au
  Orbit Determination Parameters
   # obs. used (total)      45  
   data-arc span      34 days  
   first obs. used      2021-05-08  
   last obs. used      2021-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .528  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jun-13 08:26:03  

Additional Information
 Earth MOID = .0333228 au 
 Jupiter MOID = 2.72452 au 
 T_jup = 4.164 
[ hide covariance matrix ]
Orbital Elements at Epoch 2459346.5 (2021-May-12.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3775693970451692 0.0003172  
q 1.036019437706543 1.7124e-05 au
tp 2459358.001062413317
(2021-May-23.50106241)
0.0010247 TDB
node 225.5122519272599 0.0018 deg
peri 15.9735358715404 0.0024415 deg
i 7.20725007039909 0.0044305 deg
  Orbit Determination Parameters
   # obs. used (total)      45  
   data-arc span      34 days  
   first obs. used      2021-05-08  
   last obs. used      2021-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .528  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jun-13 08:26:03  

Additional Information
 Jupiter MOID = 2.72452 au 
 T_jup = 4.164 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.006132564551644E-7 5.431510622388224E-9 3.246893559170825E-7 -5.709369084727843E-7 7.74220483557913E-7 1.405321494009483E-6
q 5.431510622388224E-9 2.932194764251699E-10 1.752587197057857E-8 -3.08214739839555E-8 4.179301059797201E-8 7.586577969260533E-8
tp 3.246893559170825E-7 1.752587197057857E-8 1.050020710894935E-6 -1.8426455546366E-6 2.501064674996877E-6 4.534782200376722E-6
node -5.709369084727843E-7 -3.08214739839555E-8 -1.8426455546366E-6 3.23996649064399E-6 -4.393687520891298E-6 -7.974489573067008E-6
peri 7.74220483557913E-7 4.179301059797201E-8 2.501064674996877E-6 -4.393687520891298E-6 5.960751933483464E-6 1.081346301377653E-5
i 1.405321494009483E-6 7.586577969260533E-8 4.534782200376722E-6 -7.974489573067008E-6 1.081346301377653E-5 1.962933240399031E-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 25.39   .35654 E2021N14 autocmod 2.9c

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