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JPL Small-Body Database Browser
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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer 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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2092016349199406 3.7621e-08  
a 2.237128967740934 7.7837e-09 au
q 1.769117930162772 8.6419e-08 au
i 6.840153547204295 3.4549e-06 deg
node 105.9586771993205 3.37e-05 deg
peri 233.7028412799559 3.5019e-05 deg
M 10.22761458297343 1.3571e-05 deg
tp 2458965.777833772762
(2020-Apr-26.27783377)
4.5961e-05 TDB
period 1222.17939876375
3.35
6.3786e-06
1.746e-08
d
yr
n .2945557750066353 1.5373e-09 deg/d
Q 2.705140005319097 9.4121e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2248  
   data-arc span      26637 days (72.93 yr)  
   first obs. used      1946-08-27  
   last obs. used      2019-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48349  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:57:34  

Additional Information
 Earth MOID = .769954 au 
 Jupiter MOID = 2.69256 au 
 T_jup = 3.599 
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Orbital Elements at Epoch 2456687.5 (2014-Jan-30.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2085982100111121 3.7444e-08  
q 1.770571986994849 8.5942e-08 au
tp 2456520.242195680587
(2013-Aug-15.74219568)
3.9928e-05 TDB
node 106.014330262712 3.3663e-05 deg
peri 233.5201067062915 3.5012e-05 deg
i 6.842956404720764 3.4566e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2248  
   data-arc span      26637 days (72.93 yr)  
   first obs. used      1946-08-27  
   last obs. used      2019-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48349  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:57:34  

Additional Information
 Jupiter MOID = 2.69256 au 
 T_jup = 3.599 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.402020628018619E-15 -3.210692542923188E-15 -6.057218061307792E-14 4.930621760363487E-15 -2.562771704247626E-15 5.50493155785868E-16
q -3.210692542923188E-15 7.386039476326075E-15 2.296878882307687E-13 -1.076835651044363E-14 2.885847401183809E-14 -9.544909360544874E-16
tp -6.057218061307792E-14 2.296878882307687E-13 1.594250666739041E-9 6.291205485648788E-12 4.034834035837481E-10 1.998614911383188E-12
node 4.930621760363487E-15 -1.076835651044363E-14 6.291205485648788E-12 1.133180593721592E-9 -1.123078347053052E-9 3.158887188847942E-12
peri -2.562771704247626E-15 2.885847401183809E-14 4.034834035837481E-10 -1.123078347053052E-9 1.225854867839013E-9 -2.618709295908006E-12
i 5.50493155785868E-16 -9.544909360544874E-16 1.998614911383188E-12 3.158887188847942E-12 -2.618709295908006E-12 1.194812948612337E-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 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 32 CATAB v2.0f-lin.ifort 2020-Feb-22 16:57:51 2020-Feb-22 16:57

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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