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43892 (1995 SG21)
Classification: Main-belt Asteroid          SPK-ID: 2043892
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1309926363975656 3.4491e-08  
a 2.346061040107373 6.8558e-09 au
q 2.038744319314093 8.3285e-08 au
i 2.100211057768116 4.1317e-06 deg
node 355.0108940881821 8.4236e-05 deg
peri 33.05076387532303 8.5478e-05 deg
M 335.67977405618 1.5301e-05 deg
tp 2459289.169139262084
(2021-Mar-15.66913926)
5.595e-05 TDB
period 1312.524406972529
3.59
5.7533e-06
1.575e-08
d
yr
n .2742806138214044 1.2023e-09 deg/d
Q 2.653377760900652 7.7538e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1405  
   data-arc span      9254 days (25.34 yr)  
   first obs. used      1995-09-17  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51526  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:23:38  

Additional Information
 Earth MOID = 1.04243 au 
 Jupiter MOID = 2.78284 au 
 T_jup = 3.548 
[ 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 15.21   n/a E2021B10  

43892 (1995 SG21)          Discovered 1995-Sep-19 by Spacewatch at Kitt Peak
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 SG21 = 1999 XF121 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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