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JPL Small-Body Database Browser
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753 Tiflis (A913 HH)
Classification: Main-belt Asteroid          SPK-ID: 2000753
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2216689602131566 3.9839e-08  
a 2.329276019315003 6.8224e-09 au
q 1.812947826064006 9.4127e-08 au
i 10.0884893089362 4.6203e-06 deg
node 61.34530124851176 2.2466e-05 deg
peri 203.0604859365722 2.4777e-05 deg
M 14.94659671751911 1.3352e-05 deg
tp 2458946.589957266058
4.8031e-05 TDB
period 1298.463841034218
n .2772506931831559 1.2181e-09 deg/d
Q 2.845604212566 8.3347e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2695  
   data-arc span      41081 days (112.47 yr)  
   first obs. used      1907-11-07  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40861  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:12:10  

Additional Information
 Earth MOID = .802156 au 
 Jupiter MOID = 2.24283 au 
 T_jup = 3.519 
[ 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 10.1   n/a MPO473772 IRAS observations used: 2
diameter diameter 20.922 km 0.827 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  
rotation period rot_per 9.85 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Van Houten, C.J. (1962) Bul. Astron. Inst. Netherlands 16, 160-162.]
[Binzel, R.P. (1987) Icarus 72, 135-208.]
[Durech, J. (2006) IAU 2006, poster paper.]
[Behrend, R. (2010) Observatoire de Geneve web site,]
[Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.]
geometric albedo albedo 0.333   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  
B-V BV 0.936   0.028 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=10.51 deg.
U-B UB 0.491   0.038 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=10.51 deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices
SMASSII spectral type spec_B L   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

753 Tiflis (A913 HH)          Discovered 1913-Apr-30 by Neujmin, G. and Belyavskij, M. at Simeis
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 A913 HH = A907 VK = A909 DD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
FirstGov 2020-Jun-01 22:26 UT
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