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3536 Schleicher (1981 EV20)
Classification: Main-belt Asteroid          SPK-ID: 2003536
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05005176293880517 1.79e-08  
a 2.342399616565205 7.5571e-09 au
q 2.225158386248935 4.3343e-08 au
i 6.548501408575388 4.0447e-07 deg
node 340.9963227612967 7.4607e-06 deg
peri 114.1227306892724 1.5106e-05 deg
M 106.5248484822144 1.7101e-05 deg
tp 2458813.029776118551
(2019-Nov-25.52977612)
6.2385e-05 TDB
period 1309.452982893576
3.59
6.3369e-06
1.735e-08
d
yr
n .2749239603887776 1.3305e-09 deg/d
Q 2.459640846881475 7.9354e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2137  
   data-arc span      16100 days (44.08 yr)  
   first obs. used      1977-01-13  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4694  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:14:28  

Additional Information
 Earth MOID = 1.251 au 
 Jupiter MOID = 2.60273 au 
 T_jup = 3.553 
[ 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 14.02   n/a E2021B10  
diameter diameter 3.145 km 0.161 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.79 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Binzel, R.P.; Xu, S.; Bus, S.J.; Bowell, E. (1992) Icarus 99, 225-237; Science 257, 779-782.]
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.197   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
SMASSII spectral type spec_B V   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

3536 Schleicher (1981 EV20)          Discovered 1981-Mar-02 by Bus, S. J. at Siding Spring
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1981 EV20 = 1977 AN2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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