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48669 (1995 YO1)
Classification: Main-belt Asteroid          SPK-ID: 2048669
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1217466139653 4.2882e-08  
a 2.311268267350186 9.223e-09 au
q 2.029879181834855 1.0237e-07 au
i 7.006051711526793 3.5943e-06 deg
node 108.1601833745416 4.5183e-05 deg
peri 306.8426579889181 4.9603e-05 deg
M 22.28787918075119 2.0278e-05 deg
tp 2458921.041528601930
(2020-Mar-12.54152860)
7.2232e-05 TDB
period 1283.435246185731
3.51
7.6822e-06
2.103e-08
d
yr
n .2804972055036605 1.679e-09 deg/d
Q 2.592657352865516 1.0346e-08 au
  Orbit Determination Parameters
   # obs. used (total)      907  
   data-arc span      8802 days (24.10 yr)  
   first obs. used      1995-12-21  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54227  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:11:38  

Additional Information
 Earth MOID = 1.05087 au 
 Jupiter MOID = 2.7098 au 
 T_jup = 3.564 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457123.5 (2015-Apr-11.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1217396184440689 4.3023e-08  
q 2.029798929916977 1.0271e-07 au
tp 2457635.059075564912
(2016-Sep-03.55907557)
7.1571e-05 TDB
node 108.2325152458517 4.524e-05 deg
peri 306.180528493605 4.9633e-05 deg
i 7.002051280363265 3.5921e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      907  
   data-arc span      8802 days (24.10 yr)  
   first obs. used      1995-12-21  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54227  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:11:38  

Additional Information
 Jupiter MOID = 2.7098 au 
 T_jup = 3.564 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.8509548359173E-15 -4.407165495904447E-15 -1.236601054557179E-12 3.095606191993626E-14 -3.358372151248612E-13 -1.99358641933553E-15
q -4.407165495904447E-15 1.055015433390243E-14 2.878772557820792E-12 -7.356827417606221E-14 7.731167195340433E-13 4.987517581333344E-15
tp -1.236601054557179E-12 2.878772557820792E-12 5.122456441695513E-9 -4.411662826530524E-11 1.497810880671678E-9 5.654695192361888E-12
node 3.095606191993626E-14 -7.356827417606221E-14 -4.411662826530524E-11 2.046655666203836E-9 -2.042729994496524E-9 1.495437785702899E-11
peri -3.358372151248612E-13 7.731167195340433E-13 1.497810880671678E-9 -2.042729994496524E-9 2.463399642429949E-9 -1.337540988122325E-11
i -1.99358641933553E-15 4.987517581333344E-15 5.654695192361888E-12 1.495437785702899E-11 -1.337540988122325E-11 1.29034080867364E-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 15.3   n/a MPO502480  
diameter diameter 1.913 km 0.098 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.580   0.118 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48669 (1995 YO1)          Discovered 1995-Dec-21 by Kobayashi, T. at Oizumi
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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