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150875 (2001 SD213)
Classification: Main-belt Asteroid          SPK-ID: 2150875
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09760533572776393 3.9583e-08  
a 2.521016917751321 1.3002e-08 au
q 2.27495221511883 1.0436e-07 au
i 1.958617799312057 4.3655e-06 deg
node 61.18416557285084 0.00012962 deg
peri 259.1982658127001 0.00013197 deg
M 325.5931558437879 2.6915e-05 deg
tp 2459340.234744960341
(2021-May-05.73474496)
0.00010969 TDB
period 1462.049467755103
4.00
1.1311e-05
3.097e-08
d
yr
n .2462296987479913 1.9049e-09 deg/d
Q 2.767081620383811 1.4271e-08 au
  Orbit Determination Parameters
   # obs. used (total)      387  
   data-arc span      6852 days (18.76 yr)  
   first obs. used      2001-09-19  
   last obs. used      2020-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57765  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:20:24  

Additional Information
 Earth MOID = 1.26103 au 
 Jupiter MOID = 2.47178 au 
 T_jup = 3.449 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457452.5 (2016-Mar-05.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09647465716591504 3.9609e-08  
q 2.277679867892771 1.0412e-07 au
tp 2457879.095002501995
(2017-May-05.59500250)
0.00010708 TDB
node 61.19548330457984 0.00012956 deg
peri 259.2825565073024 0.00013197 deg
i 1.959101635219318 4.3659e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      387  
   data-arc span      6852 days (18.76 yr)  
   first obs. used      2001-09-19  
   last obs. used      2020-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57765  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:20:24  

Additional Information
 Jupiter MOID = 2.47178 au 
 T_jup = 3.449 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.568892747174996E-15 -4.100102343352795E-15 5.153557656122486E-13 -2.248546918202429E-14 1.711734543188618E-13 -8.488985756897204E-18
q -4.100102343352795E-15 1.084085500380375E-14 -9.45659777273361E-13 6.032517528507535E-14 -3.643254435943066E-13 1.170403864001497E-17
tp 5.153557656122486E-13 -9.45659777273361E-13 1.146711015535897E-8 2.693963217472355E-11 2.703235775571402E-9 -2.558277023155326E-12
node -2.248546918202429E-14 6.032517528507535E-14 2.693963217472355E-11 1.678672117708669E-8 -1.677052582967016E-8 -1.123222497391878E-10
peri 1.711734543188618E-13 -3.643254435943066E-13 2.703235775571402E-9 -1.677052582967016E-8 1.741533305963415E-8 1.11651734914385E-10
i -8.488985756897204E-18 1.170403864001497E-17 -2.558277023155326E-12 -1.123222497391878E-10 1.11651734914385E-10 1.906150181537458E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.75   n/a MPCxxxxx  
rotation period rot_per 20.557 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

150875 (2001 SD213)          Discovered 2001-Sep-19 by LINEAR at Socorro
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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