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2952 Lilliputia (1979 SF2)
Classification: Main-belt Asteroid          SPK-ID: 2002952
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1715003533220667 2.7974e-08  
a 2.31272255236403 7.1173e-09 au
q 1.916089817497687 6.4606e-08 au
i 3.318613406262077 3.5858e-06 deg
node 323.2116032387505 5.3334e-05 deg
peri 78.83396137663561 5.4335e-05 deg
M 175.0699133431366 1.1312e-05 deg
tp 2458375.769447048458
(2018-Sep-14.26944705)
3.933e-05 TDB
period 1284.646772068401
3.52
5.9302e-06
1.624e-08
d
yr
n .2802326739360161 1.2936e-09 deg/d
Q 2.709355287230373 8.338e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1876  
   data-arc span      23564 days (64.51 yr)  
   first obs. used      1955-12-12  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51095  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:51:46  

Additional Information
 Earth MOID = .927804 au 
 Jupiter MOID = 2.69847 au 
 T_jup = 3.561 
[ 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 14.2   n/a MPO458859  
diameter diameter 6.030 km 1.351 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 3.26 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:
[Binzel, R.P.; Xu, S.; Bus, S.J.; Bowell, E. (1992) Icarus 99, 225-237; Science 257, 779-782.]
geometric albedo albedo 0.101   0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
SMASSII spectral type spec_B Cb   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)

2952 Lilliputia (1979 SF2)          Discovered 1979-Sep-22 by Chernykh, N. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1979 SF2 = 1965 UL = 1974 HK3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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