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JPL Small-Body Database Browser
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1830 Pogson (1968 HA)
Classification: Main-belt Asteroid          SPK-ID: 2001830
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05631152733410756 3.9075e-08  
a 2.188423661179483 5.8883e-09 au
q 2.065190182364366 8.7376e-08 au
i 3.954038619659784 3.6801e-06 deg
node 147.4541476206241 5.4952e-05 deg
peri 334.9593476914976 6.3684e-05 deg
M 342.9562061657767 3.2595e-05 deg
tp 2458656.483403902245
(2019-Jun-21.98340390)
0.00010711 TDB
period 1182.484697998374
3.24
4.7725e-06
1.307e-08
d
yr
n .3044436859177818 1.2287e-09 deg/d
Q 2.311657139994598 6.2199e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2985  
   data-arc span      33986 days (93.05 yr)  
   first obs. used      1926-04-14  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39443  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 18:13:22  

Additional Information
 Earth MOID = 1.08174 au 
 Jupiter MOID = 2.7056 au 
 T_jup = 3.670 
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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 12.45   n/a PDS3 (MPC 17263)  
diameter diameter 7.710 km 0.669 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 2.56999 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Higgins, D.; Pravec, P.; Kusnirak, P.; Oey, J.; Pray, D. (2007) CBET 957.]
[Behrend, R. (2010) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Pravec, P.; Scheirich, P.; Vokrouhlicky, D.; Harris, A.W.; et al. (2012) Icarus 218, 125-143. See also supplemental on-line material.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2013) http://www.asu.cas.cz/~ppravec/neo.htm]
[Oey, J. (2014) Minor Planet Bull. 41, 276-281.]
[Dykhuis, M.J.; Molnar, L.A.; Gates, C.J.; Gonzales, J.A.; et al. (2016) Icarus 267, 174-203.]
geometric albedo albedo 0.274   0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.910   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=14.92 deg.
U-B UB 0.500   0.045 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=14.92 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 S   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)

1830 Pogson (1968 HA)          Discovered 1968-Apr-17 by Wild, P. at Zimmerwald
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1968 HA = 1926 GW = 1929 EE = 1942 EC1 = 1945 BB = 1953 RE1 = 1955 FX = 1955 GE = 1961 AC = 1969 QM = 1971 BJ = 1972 NA1 = 1972 OC = 1972 OD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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