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27070 (1998 SA101)
Classification: Main-belt Asteroid          SPK-ID: 2027070
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .202871915219103 2.7203e-08  
a 2.202210495475413 7.2907e-09 au
q 1.755443834542706 6.2307e-08 au
i 6.115939526297503 3.9958e-06 deg
node 341.2046252719667 2.8337e-05 deg
peri 269.11817987144 3.0434e-05 deg
M 327.5170203972062 1.0117e-05 deg
tp 2459108.206032331703
(2020-Sep-15.70603233)
3.3611e-05 TDB
period 1193.676568884649
3.27
5.9277e-06
1.623e-08
d
yr
n .3015892322795429 1.4977e-09 deg/d
Q 2.64897715640812 8.7698e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1510  
   data-arc span      11611 days (31.79 yr)  
   first obs. used      1988-09-01  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53134  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 19:31:37  

Additional Information
 Earth MOID = .754862 au 
 Jupiter MOID = 2.42622 au 
 T_jup = 3.630 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456986.5 (2014-Nov-25.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2030056526614458 2.7161e-08  
q 1.755331906798627 6.2237e-08 au
tp 2456720.501248414790
(2014-Mar-04.00124841)
3.4126e-05 TDB
node 341.2342680212058 2.8325e-05 deg
peri 269.0901519852185 3.0425e-05 deg
i 6.117631201396014 3.9964e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1510  
   data-arc span      11611 days (31.79 yr)  
   first obs. used      1988-09-01  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53134  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 19:31:37  

Additional Information
 Jupiter MOID = 2.42622 au 
 T_jup = 3.630 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.377220032607113E-16 -1.684064842854479E-15 1.545603826552927E-13 -4.322157327382443E-15 4.174118551364611E-14 -4.960264161525911E-16
q -1.684064842854479E-15 3.873474137107973E-15 -3.840590912246136E-13 9.913089597418582E-15 -1.030414743002489E-13 1.388430533388468E-15
tp 1.545603826552927E-13 -3.840590912246136E-13 1.164598249014743E-9 -1.837160811979856E-11 3.856864390001875E-10 -7.243212895258938E-13
node -4.322157327382443E-15 9.913089597418582E-15 -1.837160811979856E-11 8.022822999634524E-10 -8.028080157919823E-10 -1.397696667830774E-11
peri 4.174118551364611E-14 -1.030414743002489E-13 3.856864390001875E-10 -8.028080157919823E-10 9.256744930469149E-10 1.370188827672471E-11
i -4.960264161525911E-16 1.388430533388468E-15 -7.243212895258938E-13 -1.397696667830774E-11 1.370188827672471E-11 1.597109071181503E-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 14.7   n/a MPO309364  
diameter diameter 2.983 km 0.111 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.315   0.075 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27070 (1998 SA101)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 SA101 = 1988 RW4 = 1991 OW1 = 1999 XB223 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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