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JPL Small-Body Database Browser
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(2019 SS2)
Classification: Apollo [NEO]          SPK-ID: 3844011
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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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 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2638921350550977 0.00041879  
a 1.010607262741551 0.00014382 au
q .7439159544744948 0.00031747 au
i 1.647388715797883 0.0026058 deg
node 177.9435926310483 0.0006563 deg
peri 75.81643217401971 0.0033 deg
M 343.1179174135106 0.19233 deg
tp 2459413.901855939912
(2021-Jul-18.40185594)
0.20197 TDB
period 371.0838462182252
1.02
0.079212
0.0002169
d
yr
n .9701311541012027 0.00020708 deg/d
Q 1.277298571008606 0.00018177 au
  Orbit Determination Parameters
   # obs. used (total)      18  
   data-arc span      2 days  
   first obs. used      2019-09-22  
   last obs. used      2019-09-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .3264  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 21:44:39  

Additional Information
 Earth MOID = .000107028 au 
 Jupiter MOID = 3.75269 au 
 T_jup = 5.999 
[ 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 30.7   .19618 MPO492711 autocmod 2.8

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