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27956 (1997 RC)
Classification: Main-belt Asteroid          SPK-ID: 2027956
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02575490060161694 3.9994e-08  
a 2.856188570152223 1.6195e-08 au
q 2.782627717428479 1.1132e-07 au
i 3.010874023248412 4.7535e-06 deg
node 63.18178971481539 9.1671e-05 deg
peri 44.51165708965399 0.00014032 deg
M 108.8320917245305 0.00010521 deg
tp 2458067.492625654353
(2017-Nov-09.99262565)
0.00051531 TDB
period 1763.10729421718
4.83
1.4995e-05
4.105e-08
d
yr
n .2041849643415151 1.7366e-09 deg/d
Q 2.929749422875968 1.6612e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1337  
   data-arc span      7922 days (21.69 yr)  
   first obs. used      1997-09-01  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54399  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:29:16  

Additional Information
 Earth MOID = 1.80065 au 
 Jupiter MOID = 2.08634 au 
 T_jup = 3.301 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456702.5 (2014-Feb-14.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02695043656389828 4.0059e-08  
q 2.777937118601017 1.1177e-07 au
tp 2456294.905870910989
(2013-Jan-02.40587091)
0.00049174 TDB
node 63.18982139868159 9.1665e-05 deg
peri 42.42070865338274 0.00013668 deg
i 3.011564239932098 4.7543e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1337  
   data-arc span      7922 days (21.69 yr)  
   first obs. used      1997-09-01  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54399  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:29:16  

Additional Information
 Jupiter MOID = 2.08634 au 
 T_jup = 3.301 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.604735499787258E-15 -4.434629978209446E-15 -9.27513717615743E-13 8.348644340639971E-15 -2.26460562901156E-13 -4.598504284232201E-16
q -4.434629978209446E-15 1.249332617720545E-14 2.415512393371302E-12 -2.545223379424938E-14 6.076704204184587E-13 1.395637140220309E-15
tp -9.27513717615743E-13 2.415512393371302E-12 2.418128926577221E-7 -3.697612014938981E-11 4.988461557454883E-8 -1.984199070347508E-12
node 8.348644340639971E-15 -2.545223379424938E-14 -3.697612014938981E-11 8.402437709088892E-9 -8.398511739643312E-9 -8.682769038029547E-11
peri -2.26460562901156E-13 6.076704204184587E-13 4.988461557454883E-8 -8.398511739643312E-9 1.868262145783872E-8 8.631793636200819E-11
i -4.598504284232201E-16 1.395637140220309E-15 -1.984199070347508E-12 -8.682769038029547E-11 8.631793636200819E-11 2.260347005362232E-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 13.9   n/a MPO344520  
diameter diameter 4.062 km 0.615 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.354   0.090 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27956 (1997 RC)          Discovered 1997-Sep-01 by Moravec, Z. at Klet
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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