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5570 Kirsan (1976 GM7)
Classification: Outer Main-belt Asteroid          SPK-ID: 2005570
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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07220780339755921 3.4666e-08  
a 3.232935343079153 1.8832e-08 au
q 2.999492183429073 1.1565e-07 au
i 10.77148995344782 4.2062e-06 deg
node 174.0242398399019 1.8137e-05 deg
peri 325.5851773625129 3.1831e-05 deg
M 270.2204288367182 2.6484e-05 deg
tp 2459530.003678240967
(2021-Nov-11.50367824)
0.00015705 TDB
period 2123.214910662315
5.81
1.8552e-05
5.079e-08
d
yr
n .1695541973599374 1.4815e-09 deg/d
Q 3.466378502729234 2.0192e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2247  
   data-arc span      16297 days (44.62 yr)  
   first obs. used      1976-04-04  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46045  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:22:59  

Additional Information
 Earth MOID = 2.01829 au 
 Jupiter MOID = 1.54889 au 
 T_jup = 3.154 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456940.5 (2014-Oct-10.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07019197415727818 3.5485e-08  
q 3.005507931637123 1.1809e-07 au
tp 2457421.799189257583
(2016-Feb-03.29918926)
0.00015562 TDB
node 174.0800153017724 1.8122e-05 deg
peri 328.2711781393622 3.1917e-05 deg
i 10.77321449457205 4.2084e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2247  
   data-arc span      16297 days (44.62 yr)  
   first obs. used      1976-04-04  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46045  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:22:59  

Additional Information
 Jupiter MOID = 1.54889 au 
 T_jup = 3.154 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.259187139667344E-15 -4.144370531883492E-15 1.001716883370915E-12 -8.40922287617901E-17 1.872623956399397E-13 -1.712460815344068E-16
q -4.144370531883492E-15 1.394530323596109E-14 -3.076454181800189E-12 4.834967464871171E-17 -5.92347483318591E-13 1.231856287856252E-15
tp 1.001716883370915E-12 -3.076454181800189E-12 2.421718967749256E-8 -2.824827986990443E-12 4.100013890109061E-9 -3.03379925332998E-13
node -8.40922287617901E-17 4.834967464871171E-17 -2.824827986990443E-12 3.284037600858906E-10 -3.229057304177638E-10 3.331120174903651E-12
peri 1.872623956399397E-13 -5.92347483318591E-13 4.100013890109061E-9 -3.229057304177638E-10 1.018711917646903E-9 -3.340902406751333E-12
i -1.712460815344068E-16 1.231856287856252E-15 -3.03379925332998E-13 3.331120174903651E-12 -3.340902406751333E-12 1.771044306704952E-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 12.5   n/a MPO452245  
diameter diameter 15.471 km 0.331 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 4.146 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.089   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

5570 Kirsan (1976 GM7)          Discovered 1976-Apr-04 by Chernykh, N. S. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1976 GM7 = 1978 RX16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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