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357086 (2001 SA228)
Classification: Main-belt Asteroid          SPK-ID: 2357086
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05868201691885537 4.572e-08  
a 2.759133359618935 2.3816e-08 au
q 2.597221849128398 1.2915e-07 au
i 6.50900411737216 5.4351e-06 deg
node 16.84823994758566 4.059e-05 deg
peri 312.1649761157556 6.2421e-05 deg
M 67.29203361668665 4.5045e-05 deg
tp 2458687.590594472403
(2019-Jul-23.09059447)		 0.00020994 TDB
period 1674.007753006907
4.58		 2.1675e-05
5.934e-08		 d
yr
n .2150527674399096 2.7845e-09 deg/d
Q 2.921044870109471 2.5214e-08 au
   Orbit Determination Parameters
   # obs. used (total)      228  
   data-arc span      6642 days (18.18 yr)  
   first obs. used      2001-09-19  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52312  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 16:28:12  

Additional Information
 Earth MOID = 1.59216 au 
 Jupiter MOID = 2.29316 au 
 T_jup = 3.330 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457515.5 (2016-May-07.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06089343926645262 4.5824e-08  
q 2.590513473788184 1.2979e-07 au
tp 2457011.698938669557
(2014-Dec-20.19893867)		 0.00020489 TDB
node 16.90705433071594 4.0504e-05 deg
peri 311.7861406849127 6.0957e-05 deg
i 6.518155909402241 5.4407e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      228  
   data-arc span      6642 days (18.18 yr)  
   first obs. used      2001-09-19  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52312  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 16:28:12  

Additional Information
 Jupiter MOID = 2.29316 au 
 T_jup = 3.330 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.099848822545723E-15 -5.858182253218544E-15 8.434942672866463E-13 -8.76827905225252E-15 1.533921151980279E-13 -2.32373167969984E-15
q -5.858182253218544E-15 1.68446819510721E-14 -3.384098803417425E-12 2.238237586111711E-14 -6.252140717563481E-13 7.113987395488448E-15
tp 8.434942672866463E-13 -3.384098803417425E-12 4.198051551299806E-8 -2.032367048430676E-11 9.34873316529742E-9 1.529007153564896E-12
node -8.76827905225252E-15 2.238237586111711E-14 -2.032367048430676E-11 1.640610311336456E-9 -1.633993345296965E-9 -1.396361772354286E-11
peri 1.533921151980279E-13 -6.252140717563481E-13 9.34873316529742E-9 -1.633993345296965E-9 3.71579486922639E-9 1.429270265793406E-11
i -2.32373167969984E-15 7.113987395488448E-15 1.529007153564896E-12 -1.396361772354286E-11 1.429270265793406E-11 2.960121130941627E-11

[ 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 16.4   n/a MPO494857  

357086 (2001 SA228)          Discovered 2001-Sep-19 by LINEAR at Socorro
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ 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
1940-Aug-29 22:00 00:42 Amphi 0.0423660695546116 0.0423569690366833 0.0423751837636479 1.4102336678573 1.41023357163764 2429871.416972056 41.6586778481489 1316.83858040914 113.9946258247 -70.4319910135703 52198.4718997541 T 15 CATAB v2.0f-lin.ifort 2020-Nov-11 16:28:13 2020-Nov-11 16:28
1994-Jul-07 10:02 00:02 Europ 0.0223030380511024 0.0223007951349969 0.0223052817559813 4.00678306066002 4.00678294172442 2449540.917878255 1.60478061818996 357.030690432717 88.0263937620648 -78.5133372948018 37164.6493265106 T 15 CATAB v2.0f-lin.ifort 2020-Nov-11 16:28:13 2020-Nov-11 16:28
2190-Feb-14 13:55 00:07 Thisb 0.0217006382765556 0.0216169284201789 0.021784363923135 3.37807851229913 3.37807841928851 2520986.080091113 7.27250276592869 4271.96266199432 92.4049441959715 -12.4653098334182 7612.28819495179 T 15 CATAB v2.0f-lin.ifort 2020-Nov-11 16:28:13 2020-Nov-11 16:28
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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