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43809 (1991 RE14)
Classification: Main-belt Asteroid          SPK-ID: 2043809
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1616817762998572 1.0522e-08  
a 2.391038919130346 8.9665e-09 au
q 2.004451499483261 2.9642e-08 au
i 8.544165847195393 3.8841e-07 deg
node 343.3213249177918 2.4957e-06 deg
peri 335.0486973031539 7.6809e-06 deg
M 50.06198613314874 9.5892e-06 deg
tp 2459208.705024030153
(2020-Dec-25.20502403)
3.5414e-05 TDB
period 1350.449643954079
3.70
7.5964e-06
2.08e-08
d
yr
n .2665778776807479 1.4995e-09 deg/d
Q 2.777626338777431 1.0416e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1750  
   data-arc span      10590 days (28.99 yr)  
   first obs. used      1991-09-10  
   last obs. used      2020-09-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49568  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:22:34  

Additional Information
 Earth MOID = .994704 au 
 Jupiter MOID = 2.54268 au 
 T_jup = 3.499 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456937.5 (2014-Oct-07.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1615869387450393 1.0661e-08  
q 2.005018764887606 2.994e-08 au
tp 2456505.137260356563
(2013-Jul-31.63726036)
3.0556e-05 TDB
node 343.3801301988679 2.499e-06 deg
peri 334.7034204870366 7.6743e-06 deg
i 8.539678383636515 3.8799e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      1750  
   data-arc span      10590 days (28.99 yr)  
   first obs. used      1991-09-10  
   last obs. used      2020-09-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49568  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:22:34  

Additional Information
 Jupiter MOID = 2.54268 au 
 T_jup = 3.499 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.136647307212534E-16 -3.115918714639211E-16 -2.004642887147599E-13 2.110009583357915E-15 -4.954007486120727E-14 1.34797782482592E-15
q -3.115918714639211E-16 8.963934171579331E-16 5.02577126337169E-13 -6.299115819258956E-15 1.311569891862356E-13 -3.101441710773834E-15
tp -2.004642887147599E-13 5.02577126337169E-13 9.336397270885059E-10 -1.510292790750533E-11 2.225199403252555E-10 2.008048590122936E-12
node 2.110009583357915E-15 -6.299115819258956E-15 -1.510292790750533E-11 6.245185298466997E-12 -9.037155211330177E-12 8.201531005773047E-14
peri -4.954007486120727E-14 1.311569891862356E-13 2.225199403252555E-10 -9.037155211330177E-12 5.889522444510708E-11 3.989014183654743E-13
i 1.34797782482592E-15 -3.101441710773834E-15 2.008048590122936E-12 8.201531005773047E-14 3.989014183654743E-13 1.505378627617773E-13

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 14.18   n/a E2021B10  

43809 (1991 RE14)          Discovered 1991-Sep-13 by Holt, H. E. at Palomar
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 RE14 = 2001 FQ44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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