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3855 Pasasymphonia (1986 NF1)
Classification: Main-belt Asteroid          SPK-ID: 2003855
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbit Diagram
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Note: This Java-based orbit viewer will eventually be retired.

Note: Make sure you have Java enabled on your browser to see the applet. This applet is provided as a 3D orbit visualization tool. The applet was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances. For accurate long-term ephemerides, please instead use our Horizons system.

Note: If the applet is not working, here are some notes that might help.
Orbit Viewer

Additional Notes: the orbits shown in the applet are color coded. The planets are white lines, and the asteroid/comet is a blue line. The bright white line indicates the portion of the orbit that is above the ecliptic plane, and the darker portion is below the ecliptic plane. Likewise for the asteroid/comet orbit, the light blue indicates the portion above the ecliptic plane, and the dark blue the portion below the ecliptic plane.

Orbit Viewer applet originally written and kindly provided by Osamu Ajiki (AstroArts), and further modified by Ron Baalke (JPL).


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2092016348096813 3.7604e-08  
a 2.237128967525481 7.7719e-09 au
q 1.769117930239056 8.6372e-08 au
i 6.840153474299322 3.4542e-06 deg
node 105.9586764138323 3.3699e-05 deg
peri 233.7028417797987 3.5014e-05 deg
M 10.22761503049446 1.3544e-05 deg
tp 2458965.777832258469
(2020-Apr-26.27783226)
4.5871e-05 TDB
period 1222.179398587192
3.35
6.3689e-06
1.744e-08
d
yr
n .2945557750491874 1.535e-09 deg/d
Q 2.705140004811906 9.3978e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2253  
   data-arc span      26942 days (73.76 yr)  
   first obs. used      1946-08-27  
   last obs. used      2020-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48317  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:02:18  

Additional Information
 Earth MOID = .769954 au 
 Jupiter MOID = 2.69256 au 
 T_jup = 3.599 
[ 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 13.1   n/a MPO384787  
diameter diameter 5.719 km 0.207 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 6.5131 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2009) http://www.asu.cas.cz/~ppravec/neo.htm]
geometric albedo albedo 0.341   0.073 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

3855 Pasasymphonia (1986 NF1)          Discovered 1986-Jul-04 by Helin, E. F. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2098-Apr-22 09:45 < 00:01 Eunom 0.0116243055399094 0.0116186659942555 0.0116299467157504 6.20227601395242 6.20227581924802 2487450.905979750 0.492479314034923 355.421040763951 18.4121228676889 37.7795376897914 57958.0191286949 T 33 CATAB v2.0f-lin.ifort 2020-Jun-23 16:02:29 2020-Jun-23 16:02

Alternate Designations
 1986 NF1 = 1936 RM = 1946 QE = 1963 UO = 1963 WA = 1979 HQ5 = 1985 DR 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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