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91202 (1998 SY170)
Classification: Main-belt Asteroid          SPK-ID: 2091202
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08816368540131789 5.8524e-08  
a 3.116354595517465 2.689e-08 au
q 2.841605289359312 1.7316e-07 au
i 9.392870705801137 5.7084e-06 deg
node 324.2788525871268 2.301e-05 deg
peri 3.928697224227279 3.5783e-05 deg
M 72.76729218543954 2.3702e-05 deg
tp 2458990.335050590588
(2020-May-20.83505059)
0.00013396 TDB
period 2009.410786026833
5.50
2.6008e-05
7.121e-08
d
yr
n .1791569959230789 2.3188e-09 deg/d
Q 3.391103901675617 2.9261e-08 au
  Orbit Determination Parameters
   # obs. used (total)      771  
   data-arc span      8211 days (22.48 yr)  
   first obs. used      1998-08-17  
   last obs. used      2021-02-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50399  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:44:16  

Additional Information
 Earth MOID = 1.82945 au 
 Jupiter MOID = 1.93355 au 
 T_jup = 3.191 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.62   n/a E2021B10  

91202 (1998 SY170)          Discovered 1998-Sep-25 by LONEOS at Anderson Mesa
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1998 SY170 = 2002 JV106 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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