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10053 (1987 SR12)
Classification: Main-belt Asteroid          SPK-ID: 2010053
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1564953531741161 1.5933e-08  
a 2.278561466681719 5.5378e-09 au
q 1.921977185224432 3.6518e-08 au
i 4.286576232628891 5.6804e-07 deg
node 177.3192891467229 1.1794e-05 deg
peri 117.1486321661881 1.3753e-05 deg
M 339.4884301367378 6.3224e-06 deg
tp 2459468.079053219846
(2021-Sep-10.57905322)
2.2189e-05 TDB
period 1256.288978899564
3.44
4.5799e-06
1.254e-08
d
yr
n .2865582728548165 1.0447e-09 deg/d
Q 2.635145748139007 6.4044e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2713  
   data-arc span      16563 days (45.35 yr)  
   first obs. used      1976-04-01  
   last obs. used      2021-08-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46552  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 20:08:21  

Additional Information
 Earth MOID = .910286 au 
 Jupiter MOID = 2.55121 au 
 T_jup = 3.587 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457219.5 (2015-Jul-16.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1569514019704814 1.5912e-08  
q 1.920974551209398 3.6472e-08 au
tp 2456954.800245530642
(2014-Oct-24.30024553)
1.9324e-05 TDB
node 177.3437064951172 1.1794e-05 deg
peri 117.0515857053191 1.3743e-05 deg
i 4.286236172421127 5.6776e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2713  
   data-arc span      16563 days (45.35 yr)  
   first obs. used      1976-04-01  
   last obs. used      2021-08-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46552  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 20:08:21  

Additional Information
 Jupiter MOID = 2.55121 au 
 T_jup = 3.587 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.531778759936785E-16 -5.755014767323256E-16 -1.305133040599531E-13 -2.229473408538816E-14 -2.884623928683282E-14 -1.1136679645874E-16
q -5.755014767323256E-16 1.330211906632494E-15 3.051168015495788E-13 5.181638941721749E-14 6.805585594592888E-14 2.884748840182982E-16
tp -1.305133040599531E-13 3.051168015495788E-13 3.7340098913107E-10 -4.005436240549582E-11 1.454974009871587E-10 -1.883017752501705E-12
node -2.229473408538816E-14 5.181638941721749E-14 -4.005436240549582E-11 1.390892966000868E-10 -1.482491482501965E-10 5.541457076993557E-12
peri -2.884623928683282E-14 6.805585594592888E-14 1.454974009871587E-10 -1.482491482501965E-10 1.888593310693189E-10 -5.917732303387229E-12
i -1.1136679645874E-16 2.884748840182982E-16 -1.883017752501705E-12 5.541457076993557E-12 -5.917732303387229E-12 3.223483426651453E-13

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.01   n/a MPO636217  
diameter diameter 4.470 km 0.255 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.267   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

10053 (1987 SR12)          Discovered 1987-Sep-16 by Debehogne, H. at La Silla
Reference: 19990302/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1987 SR12 = 1976 GM3 = 1980 RB3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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