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6631 Pyatnitskij (1983 RQ4)
Classification: Main-belt Asteroid          SPK-ID: 2006631
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .1500124526617945 2.8331e-08  
a 2.468475820727821 7.8774e-09 au
q 2.098173708524104 7.0148e-08 au
i 7.139666475793611 4.0987e-06 deg
node 192.1140683799007 2.9083e-05 deg
peri 205.8345211971354 3.304e-05 deg
M 121.6047932387099 1.6004e-05 deg
tp 2458521.991192243057
(2019-Feb-07.49119224)		 6.2514e-05 TDB
period 1416.58207875365
3.88		 6.7809e-06
1.857e-08		 d
yr
n .2541328211046822 1.2165e-09 deg/d
Q 2.838777932931537 9.0591e-09 au
   Orbit Determination Parameters
   # obs. used (total)      2634  
   data-arc span      25763 days (70.54 yr)  
   first obs. used      1949-11-30  
   last obs. used      2020-06-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42708  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:33:05  

Additional Information
 Earth MOID = 1.10751 au 
 Jupiter MOID = 2.58619 au 
 T_jup = 3.459 
[ show covariance matrix ]

[ 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 13.2   n/a MPO358695  
diameter diameter 14.336 km 0.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.044   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

6631 Pyatnitskij (1983 RQ4)          Discovered 1983-Sep-04 by Zhuravleva, L. V. 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
2024-Jan-15 17:49 < 00:01 Juno 0.0411908061740497 0.0411900300134186 0.0411915823499271 3.1784856597964 3.17848556687292 2460325.242031923 0.780840833978846 106.044074158866 35.4257947915488 81.0984908233552 171815.079124299 T 36 CATAB v2.0f-lin.ifort 2020-Jun-23 16:33:18 2020-Jun-23 16:33
2189-Apr-18 14:32 < 00:01 Thisb 0.028354669585932 0.0283460802625799 0.0283632785670091 4.63116785377524 4.63116780185226 2520684.105875128 0.429115229458644 1255.92919526994 33.8719655719717 -70.1004797507196 117706.909983528 T 36 CATAB v2.0f-lin.ifort 2020-Jun-23 16:33:18 2020-Jun-23 16:33

Alternate Designations
 1983 RQ4 = 1987 SR 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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