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JPL Small-Body Database Browser
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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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2725655766097528 3.2387e-08  
a 3.95013732127128 2.719e-08 au
q 2.873465864611269 1.2776e-07 au
i 5.231675894631056 3.6144e-06 deg
node 121.1698709054096 4.3958e-05 deg
peri 285.0915568353718 4.438e-05 deg
M 205.7608424133179 7.3045e-06 deg
tp 2460229.095332292936
(2023-Oct-11.59533229)
6.5933e-05 TDB
period 2867.587754924609
7.85
2.9608e-05
8.106e-08
d
yr
n .1255410577694647 1.2962e-09 deg/d
Q 5.026808777931291 3.4601e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2621  
   data-arc span      18815 days (51.51 yr)  
   first obs. used      1968-10-23  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48587  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:47:48  

Additional Information
 Earth MOID = 1.8891 au 
 Jupiter MOID = .520646 au 
 T_jup = 2.987 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456799.5 (2014-May-22.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2758393892905962 3.2338e-08  
q 2.858326698122772 1.2799e-07 au
tp 2457366.100211820866
(2015-Dec-09.60021182)
5.0828e-05 TDB
node 121.244259915647 4.3984e-05 deg
peri 284.9919686263751 4.4388e-05 deg
i 5.233381573724943 3.6163e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2621  
   data-arc span      18815 days (51.51 yr)  
   first obs. used      1968-10-23  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48587  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:47:48  

Additional Information
 Jupiter MOID = .520646 au 
 T_jup = 2.987 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.045737718404767E-15 -4.085792420616689E-15 -1.57064510933531E-13 -6.591166368397741E-16 -2.733812622680194E-14 -2.729126660182221E-16
q -4.085792420616689E-15 1.638259118617283E-14 8.526305734603486E-13 3.360030742969661E-15 1.16077900295221E-13 1.299729355971687E-15
tp -1.57064510933531E-13 8.526305734603486E-13 2.58352317308035E-9 -3.380150046359423E-13 3.356711651307344E-10 2.060909244707536E-13
node -6.591166368397741E-16 3.360030742969661E-15 -3.380150046359423E-13 1.9346231750599E-9 -1.926477716181486E-9 1.138192699894717E-11
peri -2.733812622680194E-14 1.16077900295221E-13 3.356711651307344E-10 -1.926477716181486E-9 1.970320467463625E-9 -1.131466835947276E-11
i -2.729126660182221E-16 1.299729355971687E-15 2.060909244707536E-13 1.138192699894717E-11 -1.131466835947276E-11 1.307760525787806E-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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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2046-Aug-02 17:42 00:05 Europ 0.0430768112003497 0.0430755876479142 0.0430780348846798 2.68460384733229 2.68460375542542 2468560.237311773 5.45260806401873 291.717973732521 55.4062094372047 84.9370877468594 115699.548624418 T 33 CATAB v2.0f-lin.ifort 2020-May-20 01:48:01 2020-May-20 01:48

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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