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2368 Beltrovata (1977 RA)
Classification: Amor [NEO]          SPK-ID: 2002368
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 245 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4133577283917469 6.5643e-08  
a 2.105121143814996 6.9839e-09 au
q 1.234953049818193 1.3615e-07 au
i 5.223634643467639 5.2148e-06 deg
node 287.3374507673982 5.4566e-05 deg
peri 43.00909304633704 5.7379e-05 deg
M 2.434901524538477 3.2632e-05 deg
tp 2458992.954414097470
(2020-May-23.45441410)
0.00010109 TDB
period 1115.614285643721
3.05
5.5517e-06
1.52e-08
d
yr
n .3226921747351741 1.6058e-09 deg/d
Q 2.975289237811799 9.8707e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1109  
   data-arc span      15709 days (43.01 yr)  
   first obs. used      1977-09-04  
   last obs. used      2020-09-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58187  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-13 07:25:19  

Additional Information
 Earth MOID = .233199 au 
 Jupiter MOID = 2.41869 au 
 T_jup = 3.625 
[ 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 15.1   n/a MPO473797  
diameter diameter 2.3 km n/a Hazards due to Comets and Asteroids (1994), Ed. T. Gehrels, pp.540-543  
rotation period rot_per 5.9 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:
[Bowell, E. (1977) IAUC 3111.]
[Erikson, A.; Mottola, S.; Lagerros, J.S.V.; Lindgren, M.; et al. (2000) Icarus 147, 487-497.]
geometric albedo albedo 0.27   n/a Hazards due to Comets and Asteroids (1994), Ed. T. Gehrels, pp.540-543  
B-V BV 0.830   0.007 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=17.26, mean=21.25, max.=29.19) deg.
U-B UB 0.520   0.057 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=17.26, mean=17.28, max.=17.29) deg.
Tholen spectral type spec_T SQ   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

2368 Beltrovata           Discovered 1977 Sept. 4 by P. Wild at Zimmerwald.
This Amor object shares the name given by the Zurich-born writer Gottfried Keller to his friend Betty Tendering. Keller's novel "Der Grune Heinrich" contains a comparable character in Dortchen Schonfund.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC 6209Last Updated: 2006-03-21

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