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6520 Sugawa (1991 HH)
Classification: Main-belt Asteroid          SPK-ID: 2006520
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1965450798142545 2.9175e-08  
a 2.343227441137631 6.7296e-09 au
q 1.882677616696284 6.9244e-08 au
i 4.792968246741385 3.7115e-06 deg
node 237.0155811079059 4.4643e-05 deg
peri 63.42287035548263 4.5775e-05 deg
M 335.5049537331886 1.1208e-05 deg
tp 2459089.644767613891
(2020-Aug-28.14476761)
4.0928e-05 TDB
period 1310.14720247672
3.59
5.644e-06
1.545e-08
d
yr
n .2747782839359205 1.1837e-09 deg/d
Q 2.803777265578978 8.0523e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2304  
   data-arc span      18230 days (49.91 yr)  
   first obs. used      1970-09-08  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45543  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:41:04  

Additional Information
 Earth MOID = .873053 au 
 Jupiter MOID = 2.42455 au 
 T_jup = 3.532 
[ 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 13.7   n/a MPO384814  

6520 Sugawa (1991 HH)          Discovered 1991-Apr-16 by Otomo, S., Muramatsu, O. at Kiyosato
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1991 HH = 1970 RF = 1984 KU = 1990 BW3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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