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1199 Geldonia (1931 RF)
Classification: Main-belt Asteroid          SPK-ID: 2001199
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03094514127655747 3.7211e-08  
a 3.018714034097851 1.3692e-08 au
q 2.925299501839166 1.108e-07 au
i 8.779692974746023 4.2244e-06 deg
node 235.5471768453723 2.6492e-05 deg
peri 292.094910352155 7.3678e-05 deg
M 151.4188236457779 6.8653e-05 deg
tp 2458194.734340105313
(2018-Mar-17.23434011)
0.00036565 TDB
period 1915.717151790034
5.24
1.3034e-05
3.569e-08
d
yr
n .1879191819437532 1.2785e-09 deg/d
Q 3.112128566356536 1.4116e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2680  
   data-arc span      36048 days (98.69 yr)  
   first obs. used      1921-10-06  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46498  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:27:43  

Additional Information
 Earth MOID = 1.94164 au 
 Jupiter MOID = 1.90845 au 
 T_jup = 3.228 
[ 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 10.2   n/a MPO492764 IRAS observations used: 16
diameter diameter 30.395 km 0.243 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 57.939 h n/a LCDB (Rev. 2019-August); 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:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
[Polakis, T. (2019) Minor Planet Bull. 46-4, in press.]
geometric albedo albedo 0.098   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.760   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=5.06 deg.
U-B UB 0.330   0.035 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=5.06 deg.
Tholen spectral type spec_T CGTP:   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices; used ground-based radiometric albedo

1199 Geldonia (1931 RF)          Discovered 1931-Sep-14 by Delporte, E. at Uccle
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1931 RF = 1930 MB = 1946 OH = 1958 WC = A921 TF 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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