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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1215334971393239 4.2955e-08  
a 2.311006899575377 9.4008e-09 au
q 2.030142149156875 1.0247e-07 au
i 7.005905302472823 3.753e-06 deg
node 108.1606842566152 4.5411e-05 deg
peri 306.8300196657246 4.9944e-05 deg
M 270.0758820378065 2.0715e-05 deg
tp 2458921.033906016037
(2020-Mar-12.53390602)
7.4116e-05 TDB
period 1283.217548091904
3.51
7.8298e-06
2.144e-08
d
yr
n .2805447919063344 1.7118e-09 deg/d
Q 2.591871649993879 1.0543e-08 au
  Orbit Determination Parameters
   # obs. used (total)      876  
   data-arc span      8742 days (23.93 yr)  
   first obs. used      1995-12-21  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .546  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 03:36:56  

Additional Information
 Earth MOID = 1.05075 au 
 Jupiter MOID = 2.71102 au 
 T_jup = 3.565 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456915.5 (2014-Sep-15.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .121890453013465 4.308e-08  
q 2.02917964551655 1.0281e-07 au
tp 2456351.903955006327
(2013-Feb-28.40395501)
7.2821e-05 TDB
node 108.231965726513 4.5468e-05 deg
peri 306.1950111873472 4.9946e-05 deg
i 7.002143365546622 3.751e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      876  
   data-arc span      8742 days (23.93 yr)  
   first obs. used      1995-12-21  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .546  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 03:36:56  

Additional Information
 Jupiter MOID = 2.71102 au 
 T_jup = 3.565 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.855858292249547E-15 -4.416865948073703E-15 -1.107445470615126E-12 3.105257062748145E-14 -3.344741603595808E-13 -1.847033501267414E-15
q -4.416865948073703E-15 1.057089509117333E-14 2.536797094904543E-12 -7.403025154493796E-14 7.748544207893086E-13 4.673379871100174E-15
tp -1.107445470615126E-12 2.536797094904543E-12 5.302902209239033E-9 -4.377423339376226E-11 1.542589361536953E-9 5.523443018060793E-12
node 3.105257062748145E-14 -7.403025154493796E-14 -4.377423339376226E-11 2.067318114887481E-9 -2.063627806302634E-9 1.924046522278902E-11
peri -3.344741603595808E-13 7.748544207893086E-13 1.542589361536953E-9 -2.063627806302634E-9 2.49464276750653E-9 -1.757141038663274E-11
i -1.847033501267414E-15 4.673379871100174E-15 5.523443018060793E-12 1.924046522278902E-11 -1.757141038663274E-11 1.406964852925955E-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 15.2   n/a MPO449312  
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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