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385253 (2001 FM128)
Classification: Main-belt Asteroid          SPK-ID: 2385253
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3701484305975717 5.7319e-08  
a 2.659892093328014 1.6649e-08 au
q 1.67533720942376 1.5548e-07 au
i 25.61661823852766 1.1004e-05 deg
node 53.65924124445544 1.8341e-05 deg
peri 83.42283756373064 3.297e-05 deg
M 224.0212429559283 1.6088e-05 deg
tp 2459798.998437469376
(2022-Aug-07.49843747)
7.2668e-05 TDB
period 1584.508067088326
4.34
1.4877e-05
4.073e-08
d
yr
n .2271998530506266 2.1331e-09 deg/d
Q 3.644446977232268 2.2811e-08 au
  Orbit Determination Parameters
   # obs. used (total)      326  
   data-arc span      7061 days (19.33 yr)  
   first obs. used      2001-03-24  
   last obs. used      2020-07-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59555  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:04:42  

Additional Information
 Earth MOID = .882039 au 
 Jupiter MOID = 2.22991 au 
 T_jup = 3.154 
[ 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 15.65   n/a E2021B25  
diameter diameter 2.146 km 0.539 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.184   0.088 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

385253 (2001 FM128)          Discovered 2001-Mar-29 by LONEOS at Anderson Mesa
Reference: Last Updated: 2014-02-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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