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JPL Small-Body Database Browser
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(2019 SR2)
Classification: Amor [NEO]          SPK-ID: 3844006
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5315406360519963 0.00074747  
a 2.21087296702415 0.0036081 au
q 1.035704143901969 3.7698e-05 au
i 7.330605585585657 0.0072494 deg
node 184.1297865931303 0.000175 deg
peri 161.1889006406321 0.0037567 deg
M 197.4847735067877 0.48325 deg
tp 2459938.545405721176
(2022-Dec-25.04540572)
2.9387 TDB
period 1200.726542800429
3.29
2.9394
0.008048
d
yr
n .2998184742051089 0.00073395 deg/d
Q 3.386041790146331 0.005526 au
  Orbit Determination Parameters
   # obs. used (total)      59  
   data-arc span      13 days  
   first obs. used      2019-09-22  
   last obs. used      2019-10-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .56118  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 21:44:38  

Additional Information
 Earth MOID = .0413386 au 
 Jupiter MOID = 2.06236 au 
 T_jup = 3.449 
[ 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 25.5   .41674 MPO492711 autocmod 2.8

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