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85724 (1998 SN68)
Classification: Main-belt Asteroid          SPK-ID: 2085724
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2316225124210943 4.6865e-08  
a 2.584051295370957 1.0571e-08 au
q 1.985526842112153 1.2235e-07 au
i 7.833210456714896 4.147e-06 deg
node 271.74089592162 3.5421e-05 deg
peri 152.9201137762225 3.6919e-05 deg
M 123.3241204153987 9.4505e-06 deg
tp 2458876.748623176589
(2020-Jan-28.24862318)
3.8778e-05 TDB
period 1517.225462676518
4.15
9.3104e-06
2.549e-08
d
yr
n .2372752164104396 1.456e-09 deg/d
Q 3.182575748629761 1.302e-08 au
  Orbit Determination Parameters
   # obs. used (total)      826  
   data-arc span      8291 days (22.70 yr)  
   first obs. used      1998-08-27  
   last obs. used      2021-05-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51081  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:26:50  

Additional Information
 Earth MOID = 1.00267 au 
 Jupiter MOID = 2.14905 au 
 T_jup = 3.372 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.76   n/a E2021B10  

85724 (1998 SN68)          Discovered 1998-Sep-19 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1998 SN68 = 2002 PK104 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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