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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 286 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4133327823680826 6.5401e-08  
a 2.105494385052871 5.2257e-09 au
q 1.235224532618593 1.3589e-07 au
i 5.223095611747271 4.8838e-06 deg
node 287.3377394550733 4.8427e-05 deg
peri 43.0394346598918 5.0861e-05 deg
M 130.1734545563846 2.6746e-05 deg
tp 2458992.994473005816
(2020-May-23.49447301)
8.1585e-05 TDB
period 1115.910999004685
3.06
4.1544e-06
1.137e-08
d
yr
n .3226063730181843 1.201e-09 deg/d
Q 2.975764237487149 7.3857e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1326  
   data-arc span      15871 days (43.45 yr)  
   first obs. used      1977-09-04  
   last obs. used      2021-02-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54417  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-02 05:52:56  

Additional Information
 Earth MOID = .232783 au 
 Jupiter MOID = 2.41852 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 15.09   n/a E2021B10  
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. 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:
[Bowell, E. (1977) IAUC 3111.]
[Erikson, A.; Mottola, S.; Lagerros, J.S.V.; Lindgren, M.; et al. (2000) Icarus 147, 487-497.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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