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7968 Elst-Pizarro (1996 N2)
Classification: Main-belt Asteroid          SPK-ID: 2007968
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 65 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1572216886360587 3.8765e-08  
a 3.163393405471417 1.9754e-08 au
q 2.666039352443028 1.2121e-07 au
i 1.389118354743484 5.6359e-06 deg
node 160.1278228046485 0.0001908 deg
peri 131.6745474973601 0.00019179 deg
M 108.1850661435178 2.1406e-05 deg
tp 2458382.920248437749
(2018-Sep-21.42024844)
0.00011891 TDB
period 2055.077641376769
5.63
1.925e-05
5.27e-08
d
yr
n .1751758633113361 1.6409e-09 deg/d
Q 3.660747458499805 2.286e-08 au
  Orbit Determination Parameters
   # obs. used (total)      841  
   data-arc span      14706 days (40.26 yr)  
   first obs. used      1979-07-24  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52089  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 03:06:30  

Additional Information
 Earth MOID = 1.65011 au 
 Jupiter MOID = 1.52799 au 
 T_jup = 3.184 
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Orbital Elements at Epoch 2456544.5 (2013-Sep-09.0) TDB
Reference: JPL 65 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1613947228581225 3.8796e-08  
q 2.649898617022589 1.2176e-07 au
tp 2456332.307843748802
(2013-Feb-08.80784375)
0.00010719 TDB
node 160.1475570521088 0.00019102 deg
peri 132.1233247076667 0.00019197 deg
i 1.386956232923515 5.6447e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      841  
   data-arc span      14706 days (40.26 yr)  
   first obs. used      1979-07-24  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52089  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 03:06:30  

Additional Information
 Jupiter MOID = 1.52799 au 
 T_jup = 3.184 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.505153769804905E-15 -4.682518558795295E-15 9.666121760236553E-13 -2.529277245189304E-15 1.652921745542684E-13 -3.101401850438116E-17
q -4.682518558795295E-15 1.482658433339996E-14 -2.401839221810502E-12 1.049807010959373E-14 -4.063590512159584E-13 2.338623080459609E-16
tp 9.666121760236553E-13 -2.401839221810502E-12 1.14889136852799E-8 1.208511398827015E-11 2.068554780681673E-9 3.21537637687727E-13
node -2.529277245189304E-15 1.049807010959373E-14 1.208511398827015E-11 3.649016504861657E-8 -3.647722528531272E-8 2.654272977549547E-10
peri 1.652921745542684E-13 -4.063590512159584E-13 2.068554780681673E-9 -3.647722528531272E-8 3.685351792651345E-8 -2.652902881194678E-10
i -3.101401850438116E-17 2.338623080459609E-16 3.21537637687727E-13 2.654272977549547E-10 -2.652902881194678E-10 3.186311023570015E-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 15.6   n/a MPO452282  
diameter diameter 3.200 km 0.200 urn:nasa:pds:neowise_diameters_albedos::2.0[ambos] (http://adsabs.harvard.edu/abs/2012ApJ...747...49B)  
rotation period rot_per 3.471 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Hsieh, H.H.; Jewitt, D.C.; Fernandez, Y.R. (2004) Astron. J. 127, 2997-3017.]
geometric albedo albedo 0.060   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[ambos] (http://adsabs.harvard.edu/abs/2012ApJ...747...49B)  

7968 Elst-Pizarro (1996 N2)          Discovered 1996-Jul-14 by Elst, E. W., Pizarro, G. at La Silla
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1996 N2 = 133P = 1979 OW7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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