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100325 (1995 OC4)
Classification: Main-belt Asteroid          SPK-ID: 2100325
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09817321190576402 3.9486e-08  
a 2.387021598243865 9.5413e-09 au
q 2.152680021055835 9.7573e-08 au
i 3.292248705867631 3.9667e-06 deg
node 315.3589138792513 6.5088e-05 deg
peri 28.55246642692565 6.7823e-05 deg
M 301.192021427024 2.0676e-05 deg
tp 2459420.547632592227
(2021-Jul-25.04763259)		 7.801e-05 TDB
period 1347.047622711596
3.69		 8.0765e-06
2.211e-08		 d
yr
n .2672511304947949 1.6024e-09 deg/d
Q 2.621363175431896 1.0478e-08 au
   Orbit Determination Parameters
   # obs. used (total)      944  
   data-arc span      9103 days (24.92 yr)  
   first obs. used      1995-07-22  
   last obs. used      2020-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51686  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:31:40  

Additional Information
 Earth MOID = 1.14345 au 
 Jupiter MOID = 2.70858 au 
 T_jup = 3.526 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.78   n/a E2021B55  
diameter diameter 1.773 km 0.092 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.323   0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100325 (1995 OC4)          Discovered 1995-Jul-22 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1995 OC4 = 1999 TG104 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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