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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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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1713492691957378 1.9031e-08  
a 2.313129597626843 6.8254e-09 au
q 1.916776531518452 4.372e-08 au
i 3.318640522890582 9.3703e-07 deg
node 323.208571699159 2.2258e-05 deg
peri 78.77942780290685 2.2629e-05 deg
M 231.1804277199491 6.8998e-06 deg
tp 2459660.309275067068
(2022-Mar-21.80927507)
2.5605e-05 TDB
period 1284.985938815904
3.52
5.6875e-06
1.557e-08
d
yr
n .2801587076756146 1.24e-09 deg/d
Q 2.709482663735233 7.995e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1935  
   data-arc span      23591 days (64.59 yr)  
   first obs. used      1955-12-12  
   last obs. used      2020-07-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50677  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 14:30:12  

Additional Information
 Earth MOID = .927484 au 
 Jupiter MOID = 2.69934 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 14.25   n/a E2021B10  
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. 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:
[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

[ show close-approach data ]
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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