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101184 (1998 SP12)
Classification: Main-belt Asteroid          SPK-ID: 2101184
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1942346077529277 4.112e-08  
a 2.312898417544537 1.0319e-08 au
q 1.863653500640406 9.8433e-08 au
i 24.79936344830037 6.5478e-06 deg
node 289.4543853193892 1.3704e-05 deg
peri 120.4412870312208 4.5248e-05 deg
M 84.62847049684291 3.4939e-05 deg
tp 2458898.471965470914
(2020-Feb-18.97196547)
0.00012434 TDB
period 1284.793306462123
3.52
8.5981e-06
2.354e-08
d
yr
n .2802007125887943 1.8752e-09 deg/d
Q 2.762143334448667 1.2323e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1218  
   data-arc span      9735 days (26.65 yr)  
   first obs. used      1994-07-11  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43986  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:35:36  

Additional Information
 Earth MOID = .963775 au 
 Jupiter MOID = 2.66679 au 
 T_jup = 3.437 
[ 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 14.98   n/a E2021B55  
diameter diameter 6.313 km 0.077 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101184 (1998 SP12)          Discovered 1998-Sep-21 by CSS at Catalina
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 SP12 = 1994 NW3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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