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30790 (1988 RT11)
Classification: Main-belt Asteroid          SPK-ID: 2030790
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1291516527625123 5.4e-08  
a 2.56941251901131 1.2617e-08 au
q 2.237568645552309 1.4254e-07 au
i 1.375438746364344 6.3396e-06 deg
node 16.27511004669839 0.00015025 deg
peri 46.75419629224745 0.00015317 deg
M 240.0184570777723 2.845e-05 deg
tp 2459701.873207536696
(2022-May-02.37320754)
0.00012082 TDB
period 1504.351005305936
4.12
1.1081e-05
3.034e-08
d
yr
n .239305852643604 1.7627e-09 deg/d
Q 2.901256392470311 1.4247e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1249  
   data-arc span      15457 days (42.32 yr)  
   first obs. used      1978-03-15  
   last obs. used      2020-07-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4934  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:40:04  

Additional Information
 Earth MOID = 1.25031 au 
 Jupiter MOID = 2.38793 au 
 T_jup = 3.418 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.02   n/a E2021B10  
diameter diameter 2.630 km 0.186 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.129 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.]
geometric albedo albedo 0.212   0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30790 (1988 RT11)          Discovered 1988-Sep-14 by Bus, S. J. at Cerro Tololo
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1988 RT11 = 1978 EK10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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