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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 | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1688026927078229 9.9278e-09  
a 2.223758874585656 4.521e-09 au
q 1.848382388622679 2.1893e-08 au
i 1.248336843347993 4.6757e-07 deg
node 356.8531224436973 3.8606e-05 deg
peri 269.5486526751685 3.8875e-05 deg
M 83.29220334416384 5.5586e-06 deg
tp 2458920.258906949974
(2020-Mar-11.75890695)
1.8725e-05 TDB
period 1211.239341107888
3.32
3.6937e-06
1.011e-08
d
yr
n .2972162377674404 9.0637e-10 deg/d
Q 2.599135360548633 5.2841e-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-Apr-12 15:29:22  

Additional Information
 Earth MOID = .831236 au 
 Jupiter MOID = 2.48099 au 
 T_jup = 3.628 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457369.5 (2015-Dec-13.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1686276167251635 9.9373e-09  
q 1.849594522761292 2.1925e-08 au
tp 2457708.370780054224
(2016-Nov-15.87078005)
1.9301e-05 TDB
node 356.9036416935769 3.8584e-05 deg
peri 269.4715161335214 3.8852e-05 deg
i 1.248998270765468 4.675e-07 deg
  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-Apr-12 15:29:22  

Additional Information
 Jupiter MOID = 2.48099 au 
 T_jup = 3.628 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.874940237930782E-17 -2.147163226341813E-16 -1.122472638258244E-13 -1.978838776165432E-14 -8.263500819133733E-15 -5.212736432399108E-17
q -2.147163226341813E-16 4.807157798985256E-16 2.323332338415964E-13 4.458196654158063E-14 1.207812846054001E-14 1.252174233054991E-16
tp -1.122472638258244E-13 2.323332338415964E-13 3.725233324333758E-10 -2.249540332903393E-11 1.169315385595574E-10 5.359847709897365E-13
node -1.978838776165432E-14 4.458196654158063E-14 -2.249540332903393E-11 1.488689278083471E-9 -1.48683083760379E-9 9.341662868309731E-12
peri -8.263500819133733E-15 1.207812846054001E-14 1.169315385595574E-10 -1.48683083760379E-9 1.509491463797877E-9 -9.137747404848626E-12
i -5.212736432399108E-17 1.252174233054991E-16 5.359847709897365E-13 9.341662868309731E-12 -9.137747404848626E-12 2.185543110629052E-13

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 12.98   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

[ show close-approach data ]
Alternate Designations
 1977 QA1 = 1953 FL = 1966 BX = 1977 TK8 = 1981 WV6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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