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3738 Ots (1977 QA1)
Classification: Main-belt Asteroid          SPK-ID: 2003738
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1687124323606375 9.9268e-09  
a 2.223758019913813 4.497e-09 au
q 1.848582395392678 2.1874e-08 au
i 1.248352730105966 4.6757e-07 deg
node 356.8534250412774 3.8605e-05 deg
peri 269.5362899371187 3.8874e-05 deg
M 141.570212074914 5.5608e-06 deg
tp 2458920.179690172979
(2020-Mar-11.67969017)
1.8731e-05 TDB
period 1211.238642822607
3.32
3.6741e-06
1.006e-08
d
yr
n .2972164091141238 9.0156e-10 deg/d
Q 2.598933644434947 5.2557e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3679  
   data-arc span      24805 days (67.91 yr)  
   first obs. used      1953-03-16  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41202  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 09:54:43  

Additional Information
 Earth MOID = .833164 au 
 Jupiter MOID = 2.47993 au 
 T_jup = 3.628 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.98   n/a E2021B10  
diameter diameter 7.036 km 0.090 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 4.17025 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2016) http://www.asu.cas.cz/~ppravec/neo.htm]
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
[Oey, J.; Groom, R. (2018) Minor Planet Bull. 45, 363-366.]
geometric albedo albedo 0.271   0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

3738 Ots (1977 QA1)          Discovered 1977-Aug-19 by Chernykh, N. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1977 QA1 = 1953 FL = 1966 BX = 1977 TK8 = 1981 WV6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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