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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1497487871393601 4.5137e-08  
a 2.214377756467161 8.7654e-09 au
q 1.882777373167827 1.0245e-07 au
i 4.674330628777308 4.9089e-06 deg
node 39.38005875655316 5.6375e-05 deg
peri 244.8441799486581 5.8769e-05 deg
M 277.3582678296423 1.8817e-05 deg
tp 2459276.794921888096
(2021-Mar-03.29492189)
6.3734e-05 TDB
period 1203.582854176809
3.30
7.1464e-06
1.957e-08
d
yr
n .2991069528372621 1.776e-09 deg/d
Q 2.545978139766496 1.0078e-08 au
  Orbit Determination Parameters
   # obs. used (total)      586  
   data-arc span      9513 days (26.05 yr)  
   first obs. used      1994-05-05  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56891  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:22:28  

Additional Information
 Earth MOID = .872247 au 
 Jupiter MOID = 2.59382 au 
 T_jup = 3.636 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456591.5 (2013-Oct-26.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .150055247397244 4.5097e-08  
q 1.881934847818384 1.0237e-07 au
tp 2456869.354001815630
(2014-Jul-30.85400182)
5.7603e-05 TDB
node 39.40788775753723 5.6385e-05 deg
peri 244.8885038981451 5.8771e-05 deg
i 4.67466124174482 4.9081e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      586  
   data-arc span      9513 days (26.05 yr)  
   first obs. used      1994-05-05  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56891  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:22:28  

Additional Information
 Jupiter MOID = 2.59382 au 
 T_jup = 3.636 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.033715245593421E-15 -4.605412694079979E-15 -5.159216908211602E-13 1.299056339630123E-14 -9.585629618736042E-14 -1.902080982111104E-15
q -4.605412694079979E-15 1.047911138407032E-14 1.276643405402383E-12 -2.943668176362404E-14 2.439422494885566E-13 4.587833877127766E-15
tp -5.159216908211602E-13 1.276643405402383E-12 3.318099784337601E-9 2.094171669251368E-12 9.689801769714404E-10 2.599099511917186E-12
node 1.299056339630123E-14 -2.943668176362404E-14 2.094171669251368E-12 3.179300401519917E-9 -3.167223884702304E-9 -7.488143199533237E-12
peri -9.585629618736042E-14 2.439422494885566E-13 9.689801769714404E-10 -3.167223884702304E-9 3.454006105330431E-9 8.162733763748267E-12
i -1.902080982111104E-15 4.587833877127766E-15 2.599099511917186E-12 -7.488143199533237E-12 8.162733763748267E-12 2.40891391661452E-11

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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