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JPL Small-Body Database Browser
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882 Swetlana (A917 PB)
Classification: Main-belt Asteroid          SPK-ID: 2000882
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2664883039373778 3.2633e-08  
a 3.124990666210747 1.2701e-08 au
q 2.292217203752108 1.0367e-07 au
i 6.125599412170773 3.7693e-06 deg
node 256.3063056879509 3.7896e-05 deg
peri 126.5113484422361 3.8496e-05 deg
M 80.23315280378149 7.6341e-06 deg
tp 2458150.800016894115
(2018-Feb-01.30001689)
4.1642e-05 TDB
period 2017.769316806512
5.52
1.2301e-05
3.368e-08
d
yr
n .1784148450476815 1.0877e-09 deg/d
Q 3.957764128669385 1.6085e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2497  
   data-arc span      37356 days (102.28 yr)  
   first obs. used      1917-08-18  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43622  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 20:13:41  

Additional Information
 Earth MOID = 1.30166 au 
 Jupiter MOID = 1.56861 au 
 T_jup = 3.150 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456055.5 (2012-May-08.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2645463252881249 3.2876e-08  
q 2.299984300894693 1.0436e-07 au
tp 2456136.130059966055
(2012-Jul-27.63005997)
3.8979e-05 TDB
node 256.3690976702821 3.7863e-05 deg
peri 127.1637293364076 3.8463e-05 deg
i 6.124674553476531 3.7696e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2497  
   data-arc span      37356 days (102.28 yr)  
   first obs. used      1917-08-18  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43622  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 20:13:41  

Additional Information
 Jupiter MOID = 1.56861 au 
 T_jup = 3.150 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.080857159351364E-15 -3.417559764118571E-15 -1.185498592859298E-13 2.429253699928619E-15 -2.700120757774038E-14 -5.239820516046152E-16
q -3.417559764118571E-15 1.089161116354428E-14 3.830141352735525E-13 -4.718405229768081E-15 8.234393483621304E-14 2.13349249329347E-15
tp -1.185498592859298E-13 3.830141352735525E-13 1.519391853483451E-9 -3.335231796248302E-12 2.878607702842887E-10 3.545925906570484E-13
node 2.429253699928619E-15 -4.718405229768081E-15 -3.335231796248302E-12 1.433615032693976E-9 -1.425805735070164E-9 4.648112333632059E-13
peri -2.700120757774038E-14 8.234393483621304E-14 2.878607702842887E-10 -1.425805735070164E-9 1.479427090203022E-9 -3.629796085086109E-13
i -5.239820516046152E-16 2.13349249329347E-15 3.545925906570484E-13 4.648112333632059E-13 -3.629796085086109E-13 1.420998012662667E-11

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 10.7   n/a MPO452170  
diameter diameter 42.440 km 0.313 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 29.867 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Polakis, T. (2018) Minor Planet Bull. 45, 112-115.]
geometric albedo albedo 0.062   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

882 Swetlana (A917 PB)          Discovered 1917-Aug-15 by Neujmin, G. at Simeis
Independent discovery Aug. 18 by M. Wolf, Heidelberg, was announced first.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 A917 PB = 1967 TQ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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