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2959 Scholl (1983 RE2)
Classification: Outer Main-belt Asteroid          SPK-ID: 2002959
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2725655702966801 3.2787e-08  
a 3.950137316454527 2.7495e-08 au
q 2.873465886044901 1.2891e-07 au
i 5.231675656846958 3.8142e-06 deg
node 121.1698688569125 4.4825e-05 deg
peri 285.0915623317244 4.5318e-05 deg
M 205.7608407523462 7.4184e-06 deg
tp 2460229.095343276238
(2023-Oct-11.59534328)
6.6468e-05 TDB
period 2867.587749679552
7.85
2.9939e-05
8.197e-08
d
yr
n .1255410579990898 1.3107e-09 deg/d
Q 5.026808746864152 3.4989e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2541  
   data-arc span      18724 days (51.26 yr)  
   first obs. used      1968-10-23  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48644  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:35:10  

Additional Information
 Earth MOID = 1.8891 au 
 Jupiter MOID = .520646 au 
 T_jup = 2.987 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456630.5 (2013-Dec-04.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2759634605076815 3.2698e-08  
q 2.858033405874574 1.2894e-07 au
tp 2457365.955190331093
(2015-Dec-09.45519033)
5.2445e-05 TDB
node 121.2447381951232 4.4856e-05 deg
peri 284.9811495609934 4.5326e-05 deg
i 5.233190322620761 3.8162e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2541  
   data-arc span      18724 days (51.26 yr)  
   first obs. used      1968-10-23  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48644  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:35:10  

Additional Information
 Jupiter MOID = .520646 au 
 T_jup = 2.987 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.069139425897822E-15 -4.160955521197288E-15 -2.195133691616514E-13 -1.630618391812064E-15 -3.938351953912883E-14 -3.978207398877204E-16
q -4.160955521197288E-15 1.66258157822705E-14 1.049867355708702E-12 7.209446039671257E-15 1.534135134541045E-13 1.801828057586261E-15
tp -2.195133691616514E-13 1.049867355708702E-12 2.750489364268141E-9 -6.44680487385417E-13 3.709623818990443E-10 1.426556473824781E-13
node -1.630618391812064E-15 7.209446039671257E-15 -6.44680487385417E-13 2.01203184895985E-9 -2.003611316825329E-9 2.20366237842606E-11
peri -3.938351953912883E-14 1.534135134541045E-13 3.709623818990443E-10 -2.003611316825329E-9 2.054491357500591E-9 -2.193566645720011E-11
i -3.978207398877204E-16 1.801828057586261E-15 1.426556473824781E-13 2.20366237842606E-11 -2.193566645720011E-11 1.45635598818433E-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 11.1   n/a MPO448942  
diameter diameter 32.783 km 0.507 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
rotation period rot_per 4.359 h n/a LCDB (Rev. 2019-August); 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:
[Warner, B.D.; Stephens, R.D. (2017) Minor Planet Bull. 44, 331-334.]
geometric albedo albedo 0.054   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

2959 Scholl (1983 RE2)          Discovered 1983-Sep-04 by Bowell, E. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1983 RE2 = 1968 UB3 = 1977 UK = 1978 EY1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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