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11031 (1988 RC5)
Classification: Main-belt Asteroid          SPK-ID: 2011031
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 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .118378049542813 2.9897e-08  
a 2.408324823095673 7.0595e-09 au
q 2.123232027872068 7.3476e-08 au
i 5.763287747710018 3.1177e-06 deg
node 49.54966629434666 3.1806e-05 deg
peri 289.7552946531034 3.4357e-05 deg
M 276.6800806456413 1.36e-05 deg
tp 2459712.449272795442
(2022-May-12.94927280)
5.2061e-05 TDB
period 1365.120598864441
3.74
6.0024e-06
1.643e-08
d
yr
n .2637129644805461 1.1595e-09 deg/d
Q 2.69341761831928 7.8952e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3319  
   data-arc span      12029 days (32.93 yr)  
   first obs. used      1988-09-02  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39546  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 20:26:30  

Additional Information
 Earth MOID = 1.12237 au 
 Jupiter MOID = 2.66359 au 
 T_jup = 3.505 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457347.5 (2015-Nov-21.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1186996339683896 3.0011e-08  
q 2.122557538490316 7.3791e-08 au
tp 2456978.470240085842
(2014-Nov-16.97024009)
4.8523e-05 TDB
node 49.59953086627985 3.184e-05 deg
peri 289.0525736996677 3.4347e-05 deg
i 5.761255126502731 3.1156e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3319  
   data-arc span      12029 days (32.93 yr)  
   first obs. used      1988-09-02  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39546  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 20:26:30  

Additional Information
 Jupiter MOID = 2.66359 au 
 T_jup = 3.505 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.006761732894245E-16 -2.206956597846735E-15 -3.576414177525927E-14 -2.835583325177808E-15 2.053260941734021E-15 -8.957810645323476E-16
q -2.206956597846735E-15 5.445159874728577E-15 1.322998923019961E-13 6.852329926832334E-15 9.165641691621839E-15 2.250986150933595E-15
tp -3.576414177525927E-14 1.322998923019961E-13 2.354464151836115E-9 3.644857405061117E-12 6.346754741765279E-10 4.190381333981702E-13
node -2.835583325177808E-15 6.852329926832334E-15 3.644857405061117E-12 1.013766480385929E-9 -1.007471954841151E-9 -6.745220964128747E-12
peri 2.053260941734021E-15 9.165641691621839E-15 6.346754741765279E-10 -1.007471954841151E-9 1.179736582025635E-9 6.810012021727729E-12
i -8.957810645323476E-16 2.250986150933595E-15 4.190381333981702E-13 -6.745220964128747E-12 6.810012021727729E-12 9.707253405957144E-12

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.25   n/a MPO636233  
diameter diameter 3.573 km 0.338 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.408 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.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.381   0.114 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11031 (1988 RC5)          Discovered 1988-Sep-02 by Debehogne, H. at La Silla
Reference: 19990728/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1988 RC5 = 1996 VR38 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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