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1145 Robelmonte (1929 CC)
Classification: Main-belt Asteroid          SPK-ID: 2001145
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 47 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1194738989441978 1.7444e-08  
a 2.42436690458716 6.0135e-09 au
q 2.134718338024856 4.3963e-08 au
i 6.208863185307169 3.9055e-07 deg
node 346.7826848421151 8.7952e-06 deg
peri 267.7580914714805 1.1934e-05 deg
M 72.34289005214092 9.6144e-06 deg
tp 2459119.430130091040
(2020-Sep-26.93013009)
3.652e-05 TDB
period 1378.783085598802
3.77
5.1299e-06
1.404e-08
d
yr
n .2610998087807647 9.7146e-10 deg/d
Q 2.714015471149465 6.7319e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3357  
   data-arc span      33225 days (90.97 yr)  
   first obs. used      1930-08-21  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39635  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 07:22:25  

Additional Information
 Earth MOID = 1.13139 au 
 Jupiter MOID = 2.35397 au 
 T_jup = 3.494 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.39   n/a MPO636078  
diameter diameter 24.029 km 0.129 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 8.002 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:
[Mansego, E.A.; Rodriguez, P.B.; de Haro, J.L.; Chiner, O.R.; et al. (2016) Minor Planet Bull. 43, 332-336.]
geometric albedo albedo 0.128   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

1145 Robelmonte (1929 CC)          Discovered 1929-Feb-03 by Delporte, E. at Uccle
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1929 CC = A915 RN 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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