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4575 Broman (1987 ME1)
Classification: Main-belt Asteroid          SPK-ID: 2004575
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 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04780509266916598 9.0828e-09  
a 2.998861218768171 1.243e-08 au
q 2.855500380302991 3.3115e-08 au
i 10.90851111285506 2.3387e-07 deg
node 148.7191785536006 1.1944e-06 deg
peri 60.12953200713175 2.2606e-05 deg
M 217.5975943981444 2.4531e-05 deg
tp 2459950.822213287272
(2023-Jan-06.32221329)
0.00013003 TDB
period 1896.849955882333
5.19
1.1794e-05
3.229e-08
d
yr
n .189788337703571 1.18e-09 deg/d
Q 3.142222057233351 1.3025e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2928  
   data-arc span      22271 days (60.97 yr)  
   first obs. used      1960-03-23  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42403  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 16:31:23  

Additional Information
 Earth MOID = 1.8708 au 
 Jupiter MOID = 1.86057 au 
 T_jup = 3.224 
[ 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 11.71   n/a MPCxxxxx  
rotation period rot_per 10.774 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Durech, J.; Hanus, J. (2018) Astron. Astrophys. 620, A91.]
[Odden, C.E.; Kini, A.S.; Buehler, J.I.; Kozol, E.; et al. (2018) Minor Planet Bull. 45, 401-402.]

4575 Broman (1987 ME1)          Discovered 1987-Jun-26 by Helin, E. F. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1987 ME1 = 1960 FC = 1976 GN6 = 1978 TN4 = 1984 WB2 = 1988 SN3 = 1989 WV2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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