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181443 (2006 SJ393)
Classification: Main-belt Asteroid          SPK-ID: 2181443
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1566514600093151 3.6854e-08  
a 2.349784611667395 1.2319e-08 au
q 1.981687421542276 8.5548e-08 au
i 3.34663762974572 4.5637e-06 deg
node 69.12986698603376 8.5076e-05 deg
peri 192.0692182138539 8.6859e-05 deg
M 118.8700182286238 1.8253e-05 deg
tp 2458766.079472667866
(2019-Oct-09.57947267)
6.5813e-05 TDB
period 1315.650423631459
3.60
1.0346e-05
2.833e-08
d
yr
n .2736289165676151 2.1518e-09 deg/d
Q 2.717881801792513 1.4249e-08 au
  Orbit Determination Parameters
   # obs. used (total)      489  
   data-arc span      7181 days (19.66 yr)  
   first obs. used      2001-03-20  
   last obs. used      2020-11-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55668  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:30:38  

Additional Information
 Earth MOID = .964693 au 
 Jupiter MOID = 2.34207 au 
 T_jup = 3.540 
[ 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 16.78   n/a MPCxxxxx  

181443 (2006 SJ393)          Discovered 2006-Sep-28 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1970-Jun-15 04:58 00:08 Psych 0.0425182239326765 0.0425056498250688 0.0425307981331288 3.15854555432077 3.1585454642278 2440752.707026141 7.91295401536545 633.701354526337 49.2550140864767 8.96233398552967 22393.7185262108 T 13 CATAB v2.0f-lin.ifort 2021-Apr-13 21:30:39 2021-Apr-13 21:30
2144-Jul-21 09:39 00:07 David 0.0320241277467819 0.0320171080686423 0.0320312124845833 6.00061343313473 6.00061335451888 2504341.901749653 7.30639658983636 2335.77409277433 60.0084771184819 81.4684475403 78918.4743845198 T 13 CATAB v2.0f-lin.ifort 2021-Apr-13 21:30:39 2021-Apr-13 21:30
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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