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249582 (1995 SD88)
Classification: Main-belt Asteroid          SPK-ID: 2249582
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2076872063219377 4.6036e-08  
a 2.924435161723611 2.3873e-08 au
q 2.31706739291559 1.4519e-07 au
i 7.344385440192282 9.5901e-06 deg
node 25.83681060525619 3.733e-05 deg
peri 270.3053282983502 4.9142e-05 deg
M 24.97445713463777 2.7196e-05 deg
tp 2458873.777136365342
(2020-Jan-25.27713637)
0.00013766 TDB
period 1826.675577472505
5.00
2.2368e-05
6.124e-08
d
yr
n .1970793305826735 2.4133e-09 deg/d
Q 3.531802930531632 2.8832e-08 au
  Orbit Determination Parameters
   # obs. used (total)      241  
   data-arc span      8682 days (23.77 yr)  
   first obs. used      1995-09-26  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56039  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:24:57  

Additional Information
 Earth MOID = 1.3159 au 
 Jupiter MOID = 1.76505 au 
 T_jup = 3.234 
[ show covariance matrix ]

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 16.3   n/a MPO437159  
diameter diameter 3.478 km 0.176 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.040   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249582 (1995 SD88)          Discovered 1995-Sep-26 by Spacewatch at Kitt Peak
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

[ show close-approach data ]
Alternate Designations
 1995 SD88 = 2005 TQ91 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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