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129131 (2004 YY27)
Classification: Outer Main-belt Asteroid          SPK-ID: 2129131
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1171744130738651 5.29e-08  
a 3.212252559387717 2.8882e-08 au
q 2.835858751096441 1.7654e-07 au
i 4.549132788255109 6.8419e-06 deg
node 356.8580868045962 5.1951e-05 deg
peri 124.8820963413518 5.7133e-05 deg
M 208.3191728817645 2.6817e-05 deg
tp 2459886.515133836979
(2022-Nov-03.01513384)
0.00016262 TDB
period 2102.872553118913
5.76
2.8361e-05
7.765e-08
d
yr
n .1711943976186572 2.3089e-09 deg/d
Q 3.588646367678994 3.2267e-08 au
  Orbit Determination Parameters
   # obs. used (total)      522  
   data-arc span      7565 days (20.71 yr)  
   first obs. used      2000-02-01  
   last obs. used      2020-10-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54182  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:51:40  

Additional Information
 Earth MOID = 1.85473 au 
 Jupiter MOID = 1.48348 au 
 T_jup = 3.176 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457468.5 (2016-Mar-21.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1117177841744829 5.1996e-08  
q 2.856615453336476 1.7194e-07 au
tp 2457771.869960314448
(2017-Jan-18.36996031)
0.00016112 TDB
node 357.4361148835913 5.1791e-05 deg
peri 123.1176187486051 5.7929e-05 deg
i 4.557901428261092 6.8381e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      522  
   data-arc span      7565 days (20.71 yr)  
   first obs. used      2000-02-01  
   last obs. used      2020-10-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54182  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:51:40  

Additional Information
 Jupiter MOID = 1.48348 au 
 T_jup = 3.176 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.703557250369979E-15 -8.843217255772662E-15 3.486496069860261E-12 1.43115832661376E-14 6.144092252347328E-13 -7.524293459176753E-16
q -8.843217255772662E-15 2.956259846822148E-14 -9.516699484433084E-12 -4.976858136996864E-14 -1.721805629064451E-12 5.376726646244324E-15
tp 3.486496069860261E-12 -9.516699484433084E-12 2.596049565278178E-8 4.61923780986959E-11 4.199639887753023E-9 4.261141020088778E-13
node 1.43115832661376E-14 -4.976858136996864E-14 4.61923780986959E-11 2.682333073706333E-9 -2.665131257509688E-9 -1.225547557841051E-10
peri 6.144092252347328E-13 -1.721805629064451E-12 4.199639887753023E-9 -2.665131257509688E-9 3.355790383674853E-9 1.220661743774635E-10
i -7.524293459176753E-16 5.376726646244324E-15 4.261141020088778E-13 -1.225547557841051E-10 1.220661743774635E-10 4.675937905027312E-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 15.0   n/a MPO439818  

129131 (2004 YY27)          Discovered 2004-Dec-17 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

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