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30988 (1995 SE36)
Classification: Main-belt Asteroid          SPK-ID: 2030988
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .193530513341699 3.3358e-08  
a 3.124328451131209 1.6616e-08 au
q 2.519675562135711 1.0544e-07 au
i 2.335369279633773 4.6698e-06 deg
node 166.0972910805726 8.4472e-05 deg
peri 130.70449499289 8.5226e-05 deg
M 246.6728165173471 1.1757e-05 deg
tp 2459835.487311216845
(2022-Sep-12.98731122)
6.7149e-05 TDB
period 2017.127974181547
5.52
1.6091e-05
4.405e-08
d
yr
n .1784715717633487 1.4237e-09 deg/d
Q 3.728981340126707 1.9831e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1184  
   data-arc span      11110 days (30.42 yr)  
   first obs. used      1990-10-22  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51501  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 04:33:07  

Additional Information
 Earth MOID = 1.50264 au 
 Jupiter MOID = 1.4986 au 
 T_jup = 3.185 
[ 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 14.46   n/a E2021B10  
diameter diameter 3.718 km 1.575 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.76 h n/a LCDB (Rev. 2020-October); 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:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]
geometric albedo albedo 0.243   0.152 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30988 (1995 SE36)          Discovered 1995-Sep-23 by Spacewatch at Kitt Peak
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 SE36 = 1999 GA57 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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