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4405 Otava (1987 QD1)
Classification: Main-belt Asteroid          SPK-ID: 2004405
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1604719582881033 1.8865e-08  
a 3.198681456757199 1.696e-08 au
q 2.685382779451529 6.3414e-08 au
i 9.449528835202253 3.0741e-07 deg
node 139.9859379595467 4.6696e-06 deg
peri 199.3837811569511 7.51e-06 deg
M 278.6020514850313 6.0953e-06 deg
tp 2459672.960901780423
(2022-Apr-03.46090178)
3.6696e-05 TDB
period 2089.560335905446
5.72
1.6618e-05
4.55e-08
d
yr
n .1722850466741872 1.3702e-09 deg/d
Q 3.71198013406287 1.9681e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2539  
   data-arc span      14022 days (38.39 yr)  
   first obs. used      1982-10-24  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45989  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 16:18:57  

Additional Information
 Earth MOID = 1.67641 au 
 Jupiter MOID = 1.68065 au 
 T_jup = 3.153 
[ 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 11.73   n/a E2021B10  
diameter diameter 16.034 km 0.352 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 2.879 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.207   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

4405 Otava (1987 QD1)          Discovered 1987-Aug-21 by Vavrova, Z. at Klet
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1987 QD1 = 1982 UL1 = 1982 VM9 = 1988 VX3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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