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79661 (1998 SN29)
Classification: Main-belt Asteroid          SPK-ID: 2079661
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1497488013011589 4.6443e-08  
a 2.214377759465333 9.0653e-09 au
q 1.882777344357453 1.0484e-07 au
i 4.674330902527284 5.3517e-06 deg
node 39.3800596195519 5.8493e-05 deg
peri 244.8441728837497 6.099e-05 deg
M 277.3582711404075 1.8994e-05 deg
tp 2459276.794911380399
(2021-Mar-03.29491138)
6.426e-05 TDB
period 1203.582856621207
3.30
7.3909e-06
2.024e-08
d
yr
n .2991069522297953 1.8367e-09 deg/d
Q 2.545978174573212 1.0423e-08 au
  Orbit Determination Parameters
   # obs. used (total)      512  
   data-arc span      9406 days (25.75 yr)  
   first obs. used      1994-05-05  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57522  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:45:06  

Additional Information
 Earth MOID = .872247 au 
 Jupiter MOID = 2.59382 au 
 T_jup = 3.636 
[ 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 16.4   n/a MPO468753  

79661 (1998 SN29)          Discovered 1998-Sep-18 by Spacewatch at Kitt Peak
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1998 SN29 = 2001 OY33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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