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78989 (2003 UF95)
Classification: Main-belt Asteroid          SPK-ID: 2078989
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07344606237345497 5.0596e-08  
a 3.107498880902789 2.4329e-08 au
q 2.879265324270561 1.606e-07 au
i 10.10635138507083 4.828e-06 deg
node 54.872177097 2.5961e-05 deg
peri 302.320477857795 3.9725e-05 deg
M 78.6588495525465 2.8942e-05 deg
tp 2458763.320300025123
(2019-Oct-06.82030002)		 0.0001616 TDB
period 2000.851689113732
5.48		 2.3498e-05
6.433e-08		 d
yr
n .1799233806077153 2.113e-09 deg/d
Q 3.335732437535016 2.6116e-08 au
   Orbit Determination Parameters
   # obs. used (total)      878  
   data-arc span      8067 days (22.09 yr)  
   first obs. used      1998-12-17  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53835  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:17:24  

Additional Information
 Earth MOID = 1.89095 au 
 Jupiter MOID = 2.03906 au 
 T_jup = 3.192 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457289.5 (2015-Sep-24.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07562259347707942 5.138e-08  
q 2.870774440227075 1.6305e-07 au
tp 2456742.263231102294
(2014-Mar-25.76323110)		 0.00015984 TDB
node 55.0105842014 2.606e-05 deg
peri 298.7422282426784 3.8797e-05 deg
i 10.09193243780187 4.8216e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      878  
   data-arc span      8067 days (22.09 yr)  
   first obs. used      1998-12-17  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53835  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:17:24  

Additional Information
 Jupiter MOID = 2.03906 au 
 T_jup = 3.192 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.639876104093225E-15 -8.299237624128726E-15 9.048176042252305E-13 -3.7005829163673E-15 7.470330584127054E-14 -1.028856726214351E-15
q -8.299237624128726E-15 2.658540301656246E-14 -3.765264068997553E-12 1.106571093437799E-14 -3.787975963571097E-13 4.84306957284537E-15
tp 9.048176042252305E-13 -3.765264068997553E-12 2.554748272152884E-8 3.915902142104348E-11 4.61109282532851E-9 -7.618355751197631E-12
node -3.7005829163673E-15 1.106571093437799E-14 3.915902142104348E-11 6.791135622742678E-10 -6.611674445167721E-10 -3.086184954722279E-11
peri 7.470330584127054E-14 -3.787975963571097E-13 4.61109282532851E-9 -6.611674445167721E-10 1.505198067989875E-9 2.900821082653116E-11
i -1.028856726214351E-15 4.84306957284537E-15 -7.618355751197631E-12 -3.086184954722279E-11 2.900821082653116E-11 2.324827517863348E-11

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3   n/a MPO453212  
diameter diameter 4.625 km 0.590 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.119   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78989 (2003 UF95)          Discovered 2003-Oct-18 by NEAT at Haleakala
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2003 UF95 = 2001 HM16 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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