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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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2725655789102626 3.1854e-08  
a 3.950137323168945 2.6803e-08 au
q 2.873465856904367 1.2622e-07 au
i 5.231675771799389 3.3234e-06 deg
node 121.1698695899299 4.2383e-05 deg
peri 285.0915568163464 4.2718e-05 deg
M 205.7608430451372 7.1553e-06 deg
tp 2460229.095328145499
(2023-Oct-11.59532815)
6.5227e-05 TDB
period 2867.587756991013
7.85
2.9186e-05
7.991e-08
d
yr
n .125541057678999 1.2778e-09 deg/d
Q 5.026808789433523 3.4109e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2792  
   data-arc span      18864 days (51.65 yr)  
   first obs. used      1968-10-23  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47516  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:51:46  

Additional Information
 Earth MOID = 1.8891 au 
 Jupiter MOID = .520645 au 
 T_jup = 2.987 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457046.5 (2015-Jan-24.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2756706464169578 3.1866e-08  
q 2.858390292555732 1.2674e-07 au
tp 2457366.246900936729
(2015-Dec-09.74690094)
4.8681e-05 TDB
node 121.2442715925976 4.2409e-05 deg
peri 285.0127201369904 4.2732e-05 deg
i 5.233440152068314 3.3247e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2792  
   data-arc span      18864 days (51.65 yr)  
   first obs. used      1968-10-23  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47516  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:51:46  

Additional Information
 Jupiter MOID = .520645 au 
 T_jup = 2.987 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.015470690669102E-15 -3.987985787980726E-15 -7.800553402404877E-14 1.001065783093267E-15 -1.251319735788276E-14 -7.692377738322233E-17
q -3.987985787980726E-15 1.606379773634852E-14 6.040229320703447E-13 -3.121422671063876E-15 7.052554958227861E-14 5.258596606853429E-16
tp -7.800553402404877E-14 6.040229320703447E-13 2.369835678235952E-9 -3.271685956266135E-14 2.907255429841944E-10 2.685022409905113E-13
node 1.001065783093267E-15 -3.121422671063876E-15 -3.271685956266135E-14 1.798539900799877E-9 -1.790939241330802E-9 -5.001163037028339E-12
peri -1.251319735788276E-14 7.052554958227861E-14 2.907255429841944E-10 -1.790939241330802E-9 1.826013774762668E-9 5.008204817555538E-12
i -7.692377738322233E-17 5.258596606853429E-16 2.685022409905113E-13 -5.001163037028339E-12 5.008204817555538E-12 1.105387908158832E-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 34 CATAB v2.0f-lin.ifort 2020-Jun-23 15:52:00 2020-Jun-23 15:52

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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