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6044 Hammer-Purgstall (1991 RW4)
Classification: Main-belt Asteroid          SPK-ID: 2006044
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1555818982507408 5.8984e-08  
a 2.77417675068215 1.9857e-08 AU
q 2.342565065727949 1.6533e-07 AU
i 8.903949663164147 7.7641e-06 deg
node 1.244912222233903 3.1359e-05 deg
peri 308.5347624232393 3.9955e-05 deg
M 53.56539537646778 2.4018e-05 deg
tp 2456749.379924881062
(2014-Apr-01.87992488)
0.00011312 JED
period 1687.716974876161
4.62
1.812e-05
4.961e-08
d
yr
n .2133059069494846 2.2902e-09 deg/d
Q 3.205788435636352 2.2946e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      988  
   data-arc span      15969 days (43.72 yr)  
   first obs. used      1971-03-24  
   last obs. used      2014-12-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50308  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 00:14:57  

Additional Information
 Earth MOID = 1.34193 AU 
 T_jup = 3.301 
[ 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 13.4 mag n/a MPO265990  

6044 Hammer-Purgstall (1991 RW4)          Discovered 1991-Sep-13 by Borngen and Schmadel at Tautenburg (033)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1991 RW4 = 1977 RF10 = 1987 YN3 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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