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JPL Small-Body Database Browser
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4185 Phystech (1975 ED)
Classification: Main-belt Asteroid          SPK-ID: 2004185
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09777438069259599 4.0286e-08  
a 2.21735060256442 6.4633e-09 au
q 2.00055052062033 8.8488e-08 au
i 2.231155716524 3.3725e-06 deg
node 265.7709689641428 0.00011487 deg
peri 320.7211573807925 0.00011634 deg
M 71.32352183710329 1.9805e-05 deg
tp 2458361.564732127328
(2018-Aug-31.06473213)
6.6178e-05 TDB
period 1206.007418290655
3.30
5.273e-06
1.444e-08
d
yr
n .2985056265327531 1.3052e-09 deg/d
Q 2.434150684508511 7.0953e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2189  
   data-arc span      24133 days (66.07 yr)  
   first obs. used      1953-10-01  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44362  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:33:33  

Additional Information
 Earth MOID = .99134 au 
 Jupiter MOID = 2.54855 au 
 T_jup = 3.645 
[ 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 13.3   n/a MPO384791  
rotation period rot_per 4.66904 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Dykhuis, M.J.; Molnar, L.A.; Gates, C.J.; Gonzales, J.A.; et al. (2016) Icarus 267, 174-203.]

4185 Phystech (1975 ED)          Discovered 1975-Mar-04 by Smirnova, T. M. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1975 ED = 1982 KD = 1982 KH4 = 1988 BT 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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