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6348 (1995 CH1)
Classification: Main-belt Asteroid          SPK-ID: 2006348
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1348227565562651 3.0636e-08  
a 2.451094269719115 7.8945e-09 au
q 2.120630983696318 7.7028e-08 au
i 4.935835419124643 3.7285e-06 deg
node 313.012898523764 4.0224e-05 deg
peri 96.93193458801639 4.2913e-05 deg
M 295.4735705594743 1.4647e-05 deg
tp 2459251.731205488112
(2021-Feb-06.23120549)
5.7248e-05 TDB
period 1401.646344914875
3.84
6.7716e-06
1.854e-08
d
yr
n .2568408224414581 1.2408e-09 deg/d
Q 2.781557555741912 8.9588e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2713  
   data-arc span      15346 days (42.02 yr)  
   first obs. used      1978-10-26  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41454  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:36:27  

Additional Information
 Earth MOID = 1.13784 au 
 Jupiter MOID = 2.57268 au 
 T_jup = 3.478 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457121.5 (2015-Apr-09.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1365964060506208 3.0839e-08  
q 2.11558874461915 7.7699e-08 au
tp 2456446.811180390417
(2013-Jun-03.31118039)
5.4738e-05 TDB
node 313.1399972425944 4.0308e-05 deg
peri 96.41148306740378 4.2875e-05 deg
i 4.931409328283105 3.726e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2713  
   data-arc span      15346 days (42.02 yr)  
   first obs. used      1978-10-26  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41454  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:36:27  

Additional Information
 Jupiter MOID = 2.57268 au 
 T_jup = 3.478 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.510246120219749E-16 -2.387627017649597E-15 -3.857918610095607E-13 7.456254244309157E-15 -1.145771225327875E-13 -3.846486908837565E-16
q -2.387627017649597E-15 6.03711797183424E-15 9.36380684137936E-13 -1.873829826351862E-14 2.854162926979498E-13 1.105872221904761E-15
tp -3.857918610095607E-13 9.36380684137936E-13 2.996292224808852E-9 -1.133259133562707E-11 8.091884983868047E-10 1.184113287359086E-12
node 7.456254244309157E-15 -1.873829826351862E-14 -1.133259133562707E-11 1.624755066010106E-9 -1.621503409743483E-9 3.172755535903658E-11
peri -1.145771225327875E-13 2.854162926979498E-13 8.091884983868047E-10 -1.621503409743483E-9 1.838252472728436E-9 -3.129248528250715E-11
i -3.846486908837565E-16 1.105872221904761E-15 1.184113287359086E-12 3.172755535903658E-11 -3.129248528250715E-11 1.388292254351247E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.3   n/a MPO344352  
diameter diameter 4.726 km 0.091 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.085 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.455   0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

6348 (1995 CH1)          Discovered 1995-Feb-03 by Ueda & Kaneda at Kushiro
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1995 CH1 = 1978 UH3 = 1991 CD5 = 1993 QA2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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