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27868 (1995 MY1)
Classification: Main-belt Asteroid          SPK-ID: 2027868
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06297373963429738 3.8879e-08  
a 3.038850695113319 2.0027e-08 au
q 2.84748290265175 1.1665e-07 au
i 8.892344403957239 4.5376e-06 deg
node 171.9636137499603 2.33e-05 deg
peri 137.0078976768557 3.9197e-05 deg
M 199.457659471321 3.288e-05 deg
tp 2459863.378326337309
(2022-Oct-10.87832634)
0.00017914 TDB
period 1934.917582853725
5.30
1.9128e-05
5.237e-08
d
yr
n .1860544362148241 1.8392e-09 deg/d
Q 3.230218487574889 2.1288e-08 au
  Orbit Determination Parameters
   # obs. used (total)      968  
   data-arc span      10449 days (28.61 yr)  
   first obs. used      1991-10-03  
   last obs. used      2020-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57878  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:20:47  

Additional Information
 Earth MOID = 1.84142 au 
 Jupiter MOID = 1.98348 au 
 T_jup = 3.219 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457246.5 (2015-Aug-12.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06183440908355747 3.8673e-08  
q 2.85246698626142 1.155e-07 au
tp 2457921.846918684535
(2017-Jun-17.34691868)
0.00017831 TDB
node 171.9862710385048 2.3297e-05 deg
peri 135.6782412116841 3.9771e-05 deg
i 8.890807653365867 4.5376e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      968  
   data-arc span      10449 days (28.61 yr)  
   first obs. used      1991-10-03  
   last obs. used      2020-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57878  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:20:47  

Additional Information
 Jupiter MOID = 1.98348 au 
 T_jup = 3.219 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.495627238174646E-15 -4.40862210394761E-15 1.874845168110974E-12 4.888241775402073E-15 3.209377140781776E-13 1.833763510000225E-15
q -4.40862210394761E-15 1.333983090316452E-14 -4.962911240695109E-12 -1.47909342703856E-14 -8.69170819247339E-13 -5.602182723008249E-15
tp 1.874845168110974E-12 -4.962911240695109E-12 3.179326931243302E-8 8.761792155428943E-13 5.756807670303126E-9 -9.418430688308903E-13
node 4.888241775402073E-15 -1.47909342703856E-14 8.761792155428943E-13 5.427564129053849E-10 -5.357796435752304E-10 -1.273710230718973E-11
peri 3.209377140781776E-13 -8.69170819247339E-13 5.756807670303126E-9 -5.357796435752304E-10 1.581712136939249E-9 1.240861046810332E-11
i 1.833763510000225E-15 -5.602182723008249E-15 -9.418430688308903E-13 -1.273710230718973E-11 1.240861046810332E-11 2.058989895657146E-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 14.6   n/a MPO431820  

27868 (1995 MY1)          Discovered 1995-Jun-23 by Spacewatch at Kitt Peak
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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