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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05608816203221594 2.7231e-08  
a 2.188216847517967 4.7831e-09 au
q 2.065483786412754 5.8864e-08 au
i 3.954327867783917 2.7567e-06 deg
node 147.4518364054019 5.1893e-05 deg
peri 334.9664682539386 6.1004e-05 deg
M 104.7555505893659 3.2497e-05 deg
tp 2458656.460342952659
(2019-Jun-21.96034295)
0.00010655 TDB
period 1182.317078572214
3.24
3.8766e-06
1.061e-08
d
yr
n .3044868475001157 9.9835e-10 deg/d
Q 2.310949908623179 5.0514e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3586  
   data-arc span      34445 days (94.31 yr)  
   first obs. used      1926-04-14  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .36674  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:41:35  

Additional Information
 Earth MOID = 1.08166 au 
 Jupiter MOID = 2.70459 au 
 T_jup = 3.670 
[ 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 12.45   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-August); 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.]
[Fauerbach, M.; Fauerbach, M. (2019) Minor Planet Bull. 46, 138-139.]
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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