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2510 Shandong (1979 TH)
Classification: Main-belt Asteroid          SPK-ID: 2002510
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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1962906491937736 3.4563e-08  
a 2.252871234672705 6.4987e-09 au
q 1.810653677468822 7.9409e-08 au
i 5.265829980541934 3.6255e-06 deg
node 102.9032231189692 3.8008e-05 deg
peri 209.6220578913174 3.8905e-05 deg
M 45.2183540898792 9.5734e-06 deg
tp 2458845.363056327335
(2019-Dec-27.86305633)
3.2613e-05 TDB
period 1235.102445594317
3.38
5.3442e-06
1.463e-08
d
yr
n .2914737974037225 1.2612e-09 deg/d
Q 2.695088791876589 7.7744e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2801  
   data-arc span      28485 days (77.99 yr)  
   first obs. used      1942-11-05  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41706  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:08:41  

Additional Information
 Earth MOID = .79854 au 
 Jupiter MOID = 2.5765 au 
 T_jup = 3.595 
[ 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 12.5   n/a MPO492780  
diameter diameter 9.108 km 0.317 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 5.9463 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Higgins, D.; Goncalves, R.M.D. (2007) Minor Planet Bull. 34, 16-18.]
[Hanus, J.; Durech, J.; Broz, M.; Marciniak, A.; et al. (2013) Astron. Astrophys. 551, A67.]
[Stephens, R.D.; Warner, B.D. (2019) Minor Planet Bull. 46-4, submitted. (MBA Gaggle) http://www.planetarysciences.org/lightcurves.html]
geometric albedo albedo 0.194   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.885   0.021 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=6.11 deg.
U-B UB 0.472   0.035 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=6.11 deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices

2510 Shandong (1979 TH)          Discovered 1979-Oct-10 by Purple Mountain Observatory at Nanking
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1979 TH = 1942 VQ = 1952 TA = 1969 TK6 = 1981 AD4 = 1981 CD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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