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9773 (1993 MG1)
Classification: Mars-crossing Asteroid          SPK-ID: 2009773
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3882392178568478 6.0284e-08  
a 2.68000317447492 9.2589e-09 au
q 1.639520838162908 1.6342e-07 au
i 14.69802019834006 6.9626e-06 deg
node 277.5144124423285 2.0739e-05 deg
peri 15.59199202780169 2.28e-05 deg
M 87.13652376940725 5.4985e-06 deg
tp 2457212.618453088632
(2015-Jul-09.11845309)
2.4259e-05 JED
period 1602.512366199279
4.39
8.3046e-06
2.274e-08
d
yr
n .224647252397697 1.1642e-09 deg/d
Q 3.720485510786932 1.2854e-08 au
  Orbit Determination Parameters
   # obs. used (total)      738  
   data-arc span      9576 days (26.22 yr)  
   first obs. used      1989-09-30  
   last obs. used      2015-12-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52346  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 18:36:22  

Additional Information
 Earth MOID = .627479 au 
 Jupiter MOID = 1.50334 au 
 T_jup = 3.221 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.7 mag n/a MPO347603  
rotation period rot_per 2.74595 h n/a LCDB (Rev. 2016-February); Warner et al., 2009 Published Reference List:
[Tomassini, A.; Scardella, M.; La Caprara, G. (2013) Minor Planet Bul. 40, 108-109.]
[Salvaggio, F.; Franco, L.; Marchini, A.; Papini, R. (2015) Minor Planet Bul. 42, 283-284.]
[Benishek, V.; Brincat, S.M. (2016) Minor Planet Bul. 43, 90-91.]

9773 (1993 MG1)          Discovered 1993-Jun-23 by Helin, E. F. at Palomar
Reference: 19981208/Numbers.arcLast Updated: 2004-04-19

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