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150250 (1999 JC99)
Classification: Main-belt Asteroid          SPK-ID: 2150250
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2440535849979898 3.5167e-08  
a 2.563448717168601 1.0893e-08 au
q 1.937829867785106 9.2145e-08 au
i 12.57366938270176 5.1112e-06 deg
node 170.2457925535011 1.5311e-05 deg
peri 39.28509219709894 2.0299e-05 deg
M 111.6134710024953 1.435e-05 deg
tp 2458735.717796304149
(2019-Sep-09.21779630)
5.752e-05 TDB
period 1499.116476063769
4.10
9.5554e-06
2.616e-08
d
yr
n .2401414471444221 1.5307e-09 deg/d
Q 3.189067566552096 1.3551e-08 au
  Orbit Determination Parameters
   # obs. used (total)      812  
   data-arc span      7876 days (21.56 yr)  
   first obs. used      1999-05-12  
   last obs. used      2020-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56133  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 10:38:45  

Additional Information
 Earth MOID = .950854 au 
 Jupiter MOID = 1.81235 au 
 T_jup = 3.359 
[ 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 15.74   n/a E2021B55  
diameter diameter 4.271 km 0.370 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

150250 (1999 JC99)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

[ show close-approach data ]
Alternate Designations
 1999 JC99 = 2003 EG30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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