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1387 Kama (1935 QD)
Classification: Main-belt Asteroid          SPK-ID: 2001387
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2087178844047224 3.4463e-08  
a 2.258442324457913 6.22e-09 au
q 1.787065020446974 7.9446e-08 au
i 5.536951113763804 3.7511e-06 deg
node 203.0043628091868 3.1338e-05 deg
peri 125.7770095617619 3.2163e-05 deg
M .8063796049813893 7.6893e-06 deg
tp 2458997.723172080172
(2020-May-28.22317208)
2.6474e-05 TDB
period 1239.686674815296
3.39
5.1214e-06
1.402e-08
d
yr
n .2903959583607183 1.1997e-09 deg/d
Q 2.729819628468853 7.5183e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2333  
   data-arc span      31024 days (84.94 yr)  
   first obs. used      1935-08-27  
   last obs. used      2020-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4353  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:33:35  

Additional Information
 Earth MOID = .783216 au 
 Jupiter MOID = 2.64647 au 
 T_jup = 3.587 
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Orbital Elements at Epoch 2456621.5 (2013-Nov-25.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2083076440681085 3.4302e-08  
q 1.787847865043707 7.9017e-08 au
tp 2456517.024527016753
(2013-Aug-12.52452702)
2.4079e-05 TDB
node 203.1699500894712 3.1393e-05 deg
peri 125.3781939884532 3.222e-05 deg
i 5.531431583142581 3.7471e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2333  
   data-arc span      31024 days (84.94 yr)  
   first obs. used      1935-08-27  
   last obs. used      2020-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4353  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:33:35  

Additional Information
 Jupiter MOID = 2.64647 au 
 T_jup = 3.587 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.176598289458141E-15 -2.705687179457144E-15 2.125517644939972E-13 -1.214969077857611E-14 9.311742084180707E-14 -1.181461233001193E-15
q -2.705687179457144E-15 6.243646347620429E-15 -4.723920522841106E-13 2.758476499223942E-14 -2.099989791602088E-13 2.769238535630026E-15
tp 2.125517644939972E-13 -4.723920522841106E-13 5.797835160477821E-10 -4.890386580966882E-12 1.813128148066894E-10 -3.675426214201213E-13
node -1.214969077857611E-14 2.758476499223942E-14 -4.890386580966882E-12 9.854951118183379E-10 -9.821588919646198E-10 -3.516042957864299E-11
peri 9.311742084180707E-14 -2.099989791602088E-13 1.813128148066894E-10 -9.821588919646198E-10 1.038159807685916E-9 3.485528420996083E-11
i -1.181461233001193E-15 2.769238535630026E-15 -3.675426214201213E-13 -3.516042957864299E-11 3.485528420996083E-11 1.404047806432306E-11

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 13.3   n/a MPO270201  
diameter diameter 7.460 km 0.115 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 50.07 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2013) http://www.asu.cas.cz/~ppravec/neo.htm]
[Oey, J. (2014) Minor Planet Bull. 41, 276-281.]
[Skiff, B.A.; McLelland, K.P.; Sanborn, J.; Pravec, P.; Koehn, B.W. (2019). Minor Planet Bull. 46-4, in press.]
geometric albedo albedo 0.138   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

1387 Kama (1935 QD)          Discovered 1935-Aug-27 by Shajn, P. at Simeis
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1935 QD = 1942 VO = 1962 OA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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