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5485 Kaula (1991 RQ21)
Classification: Main-belt Asteroid          SPK-ID: 2005485
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 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .114219963633347 1.2862e-08  
a 2.735225740014913 9.6866e-09 au
q 2.422808355461415 3.5828e-08 au
i 3.295201787272711 5.991e-07 deg
node 50.92546155843485 1.4276e-05 deg
peri 65.64671290326078 1.96e-05 deg
M 48.50963613268642 9.782e-06 deg
tp 2458977.854611010317
(2020-May-08.35461101)
4.4909e-05 TDB
period 1652.297284132343
4.52
8.7772e-06
2.403e-08
d
yr
n .2178784674266676 1.1574e-09 deg/d
Q 3.047643124568411 1.0793e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2446  
   data-arc span      25307 days (69.29 yr)  
   first obs. used      1951-12-01  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48322  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 17:36:13  

Additional Information
 Earth MOID = 1.4413 au 
 Jupiter MOID = 2.0342 au 
 T_jup = 3.341 
[ 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 13.21   n/a E2021B10  
SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

5485 Kaula (1991 RQ21)          Discovered 1991-Sep-11 by Holt, H. E. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1991 RQ21 = 1976 JM6 = 1980 DG5 = 1989 EA2 = 2081 T-1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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