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3360 Syrinx (1981 VA)
Classification: Apollo [NEO]          SPK-ID: 2003360
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 119 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7461017399584674 3.4097e-08  
a 2.465440308697434 9.5729e-09 au
q .6259710046145376 8.4882e-08 au
i 21.16213486390025 9.4834e-06 deg
node 242.5535880350287 1.8131e-05 deg
peri 63.4611984843671 1.7733e-05 deg
M 2.5898497785851 5.2275e-06 deg
tp 2458990.327862116023
(2020-May-20.82786212)
2.0494e-05 TDB
period 1413.969902235919
3.87
8.2353e-06
2.255e-08
d
yr
n .2546023076097517 1.4829e-09 deg/d
Q 4.304909612780331 1.6715e-08 au
  Orbit Determination Parameters
   # obs. used (total)      501  
   data-arc span      14224 days (38.94 yr)  
   first obs. used      1981-11-04  
   last obs. used      2020-10-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43818  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-15 07:43:39  

Additional Information
 Earth MOID = .108775 au 
 Jupiter MOID = 1.78367 au 
 T_jup = 2.965 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456675.5 (2014-Jan-18.0) TDB
Reference: JPL 119 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7445799411217738 3.4143e-08  
q .6307435302366015 8.511e-08 au
tp 2456158.491538262073
(2012-Aug-18.99153826)
1.5546e-05 TDB
node 243.7155126154018 1.8444e-05 deg
peri 62.33481820776101 1.8116e-05 deg
i 21.32185170079744 9.3592e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      501  
   data-arc span      14224 days (38.94 yr)  
   first obs. used      1981-11-04  
   last obs. used      2020-10-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43818  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-15 07:43:39  

Additional Information
 Jupiter MOID = 1.78367 au 
 T_jup = 2.965 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.165752882660878E-15 -2.905008333916926E-15 1.446902641874637E-13 2.87593145111073E-14 -1.957869264258597E-15 4.114446011205769E-14
q -2.905008333916926E-15 7.243670789387728E-15 -3.601117116862784E-13 -6.714864893506343E-14 -2.991807804517362E-15 -1.024840602460914E-13
tp 1.446902641874637E-13 -3.601117116862784E-13 2.416919400324523E-10 2.246902839789013E-11 4.904636570669492E-11 1.837178545346398E-11
node 2.87593145111073E-14 -6.714864893506343E-14 2.246902839789013E-11 3.401904280147176E-10 -3.093092834869477E-10 -6.351461085590591E-11
peri -1.957869264258597E-15 -2.991807804517362E-15 4.904636570669492E-11 -3.093092834869477E-10 3.281821029877073E-10 5.829738635749779E-11
i 4.114446011205769E-14 -1.024840602460914E-13 1.837178545346398E-11 -6.351461085590591E-11 5.829738635749779E-11 8.759493774196919E-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 15.9   n/a MPO256887  
diameter diameter 1.8 km n/a Hazards due to Comets and Asteroids (1994), Ed. T. Gehrels, pp.540-543  
geometric albedo albedo 0.17   n/a Hazards due to Comets and Asteroids (1994), Ed. T. Gehrels, pp.540-543  

3360 Syrinx           Discovered 1981 Nov. 4 by E. F. Helin and R. S. Dunbar at Palomar.
In 1918 the Danish composer Carl Nielsen (1865-1931) composed the tone poem Pan and Syrinx, based on a story in Ovid's Metamorphoses. Syrinx was a river nymph who was pursued by Pan. The gods, taking pity on her, transformed her into a collection of reeds. The name was suggested by J. Meeus.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20061109/MPCPages.arcLast Updated: 2006-11-13

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