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1836 Komarov (1971 OT)
Classification: Main-belt Asteroid          SPK-ID: 2001836
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 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1913372390577736 3.6061e-08  
a 2.78541993019203 1.2013e-08 au
q 2.25246537113259 1.0003e-07 au
i 7.021605897851215 4.1065e-06 deg
node 272.7345446753357 3.234e-05 deg
peri 12.62639481117027 3.4384e-05 deg
M 202.9032922488195 1.447e-05 deg
tp 2459741.467275358920
(2022-Jun-10.96727536)
7.0636e-05 TDB
period 1697.987328618646
4.65
1.0984e-05
3.007e-08
d
yr
n .2120157164499389 1.3715e-09 deg/d
Q 3.31837448925147 1.4311e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2522  
   data-arc span      24953 days (68.32 yr)  
   first obs. used      1952-06-28  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43253  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:15:00  

Additional Information
 Earth MOID = 1.23663 au 
 Jupiter MOID = 1.84755 au 
 T_jup = 3.294 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456563.5 (2013-Sep-28.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1938977472061512 3.6138e-08  
q 2.243146562000613 1.0047e-07 au
tp 2456346.243165917307
(2013-Feb-22.74316592)
6.1098e-05 TDB
node 272.9309499548229 3.2297e-05 deg
peri 12.33239377447324 3.4282e-05 deg
i 7.030492082669392 4.1115e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2522  
   data-arc span      24953 days (68.32 yr)  
   first obs. used      1952-06-28  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43253  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:15:00  

Additional Information
 Jupiter MOID = 1.84755 au 
 T_jup = 3.294 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.305926399569131E-15 -3.61429103144074E-15 1.5556164944533E-13 -2.972003113625707E-15 3.650618927822453E-14 4.328655460901324E-16
q -3.61429103144074E-15 1.009418596611662E-14 -2.955227820340571E-13 6.616061368146363E-15 -7.415034580405495E-14 -9.968079285038465E-16
tp 1.5556164944533E-13 -2.955227820340571E-13 3.733011758042038E-9 -1.171072001803766E-11 7.233953475305843E-10 -5.336060328839099E-14
node -2.972003113625707E-15 6.616061368146363E-15 -1.171072001803766E-11 1.043073114457652E-9 -1.037016463828213E-9 1.302189412838384E-11
peri 3.650618927822453E-14 -7.415034580405495E-14 7.233953475305843E-10 -1.037016463828213E-9 1.175242286526735E-9 -1.295364541320762E-11
i 4.328655460901324E-16 -9.968079285038465E-16 -5.336060328839099E-14 1.302189412838384E-11 -1.295364541320762E-11 1.690459148205182E-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 12.1   n/a MPO337261  
diameter diameter 22.240 km 0.304 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 8.8015 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Oey, J. (2009) Minor Planet Bull. 36, 162-165.]
geometric albedo albedo 0.042   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
SMASSII spectral type spec_B Ch   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)

1836 Komarov (1971 OT)          Discovered 1971-Jul-26 by Chernykh, N. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1978-Feb-12 22:04 < 00:01 Jupiter 1.84381840178065 1.84381806013961 1.84381874342169 2.56913147793917 2.38362466669766 2443552.419433961 0.691770294515122 101.686305045332 16.2832079539667 -85.0860019168031 3172952.28663855 T 39 CATAB v2.0f-lin.ifort 2020-Nov-13 04:15:07 2020-Nov-13 04:15
2000-Dec-08 07:28 < 00:01 Jupiter 1.89002831045482 1.89002795324846 1.89002866766118 2.63447741626467 2.45848826722967 2451886.811447609 0.28323160339453 50.8503075941588 11.7945144983226 -76.865963514205 3028274.26340004 T 39 CATAB v2.0f-lin.ifort 2020-Nov-13 04:15:07 2020-Nov-13 04:15
2084-Dec-27 17:36 00:01 Jupiter 1.85527566133781 1.85527529118212 1.85527603149361 2.56601011840215 2.38145161507785 2482587.233121479 1.28571831901326 123.897796172712 20.2842297283114 -88.4660060637063 3034605.68357141 T 39 CATAB v2.0f-lin.ifort 2020-Nov-13 04:15:07 2020-Nov-13 04:15
2107-Oct-25 03:39 00:02 Jupiter 1.88336039304251 1.88335975908909 1.88336102699839 2.66842865333345 2.49419956388935 2490922.652349025 1.77257158463514 135.89626453668 11.5118481975157 -79.4220561417074 2764550.42199425 T 39 CATAB v2.0f-lin.ifort 2020-Nov-13 04:15:07 2020-Nov-13 04:15
2191-Nov-12 11:25 00:03 Jupiter 1.86490508109777 1.86490427528035 1.86490588691901 2.54450297818863 2.35926133280673 2521621.975422360 3.24855578416558 192.931477190385 35.1733215404892 81.8039733775281 2924937.25042814 T 39 CATAB v2.0f-lin.ifort 2020-Nov-13 04:15:07 2020-Nov-13 04:15

Alternate Designations
 1971 OT = 1952 KA1 = 1952 MT = 1961 JG = 1962 SG 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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