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152145 (2005 JW112)
Classification: Main-belt Asteroid          SPK-ID: 2152145
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2715492544960089 3.9384e-08  
a 2.554342868077911 1.7408e-08 au
q 1.860712966524157 9.8842e-08 au
i 15.8361005758649 4.0196e-06 deg
node 208.4757607046203 1.7112e-05 deg
peri 111.4685193210935 2.063e-05 deg
M 256.8362833866732 1.6909e-05 deg
tp 2459627.808659361574
(2022-Feb-17.30865936)
7.3186e-05 TDB
period 1491.13586074791
4.08
1.5243e-05
4.173e-08
d
yr
n .241426693218574 2.468e-09 deg/d
Q 3.247972769631665 2.2135e-08 au
  Orbit Determination Parameters
   # obs. used (total)      824  
   data-arc span      14375 days (39.36 yr)  
   first obs. used      1981-11-03  
   last obs. used      2021-03-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49719  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:25:53  

Additional Information
 Earth MOID = .912991 au 
 Jupiter MOID = 2.38525 au 
 T_jup = 3.335 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.59   n/a E2021B55  
rotation period rot_per 4.91152 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

152145 (2005 JW112)          Discovered 2005-May-09 by Siding Spring Survey at Siding Spring
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

Alternate Designations
 2005 JW112 = 1981 VR2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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