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1282 Utopia (1933 QM1)
Classification: Main-belt Asteroid          SPK-ID: 2001282
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1238005843898431 4.2063e-08  
a 3.116503514586158 1.4289e-08 au
q 2.730678558227392 1.317e-07 au
i 18.04349789423183 5.4353e-06 deg
node 324.3003619480667 1.3957e-05 deg
peri 78.91623227520941 2.7347e-05 deg
M 203.4291503800863 2.2709e-05 deg
tp 2459874.493626989535
(2022-Oct-21.99362699)
0.00012907 TDB
period 2009.554821220149
5.50
1.3821e-05
3.784e-08
d
yr
n .1791441548140585 1.232e-09 deg/d
Q 3.502328470944925 1.6058e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2163  
   data-arc span      31648 days (86.65 yr)  
   first obs. used      1933-08-27  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40591  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:22:03  

Additional Information
 Earth MOID = 1.80645 au 
 Jupiter MOID = 2.00371 au 
 T_jup = 3.130 
[ 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 10.3   n/a MPO473780  
diameter diameter 57.702 km 0.300 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 13.623 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2001) Minor Planet Bull. 28, 30-32.]
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.]
[Warner, B.D. (2011) Minor Planet Bull. 38, 52-54.]
geometric albedo albedo 0.053   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

1282 Utopia (1933 QM1)          Discovered 1933-Aug-17 by Jackson, C. at Johannesburg (UO)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1933 QM1 = 1930 CA = 1933 QB1 = 1933 RF = 1939 RB = 1955 SO1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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