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3678 Mongmanwai (1966 BO)
Classification: Main-belt Asteroid          SPK-ID: 2003678
[ 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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1892225265131143 9.5555e-09  
a 2.554167403147757 7.381e-09 au
q 2.070861393986698 2.4298e-08 au
i 8.290402050006518 1.1884e-06 deg
node 141.970037430333 1.426e-06 deg
peri 51.6754555954518 8.2687e-06 deg
M 112.0494842420297 7.231e-06 deg
tp 2458736.433920729026
(2019-Sep-09.93392073)		 2.9227e-05 TDB
period 1490.982217969774
4.08		 6.4629e-06
1.769e-08		 d
yr
n .2414515717633448 1.0466e-09 deg/d
Q 3.037473412308815 8.7776e-09 au
   Orbit Determination Parameters
   # obs. used (total)      2786  
   data-arc span      25837 days (70.74 yr)  
   first obs. used      1950-03-21  
   last obs. used      2020-12-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45696  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:25:02  

Additional Information
 Earth MOID = 1.08244 au 
 Jupiter MOID = 1.9458 au 
 T_jup = 3.399 
[ 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 12.69   n/a E2021B10  
diameter diameter 7.972 km 0.100 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.184 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Stephens, R.D. (2003) Minor Planet Bull. 30, 46-48.]
[Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.253   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
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)

3678 Mongmanwai (1966 BO)          Discovered 1966-Jan-20 by Purple Mountain Observatory at Nanking
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1966 BO = 1934 GS = 1950 FE 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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