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4071 Rostovdon (1981 RD2)
Classification: Outer Main-belt Asteroid          SPK-ID: 2004071
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1607163777725737 4.455e-08  
a 3.206969706227164 2.3326e-08 au
q 2.691557151415959 1.4778e-07 au
i 10.9923898773357 4.5991e-06 deg
node 267.451662039997 2.8272e-05 deg
peri 126.299703161291 3.258e-05 deg
M 252.3298508442507 1.7919e-05 deg
tp 2459627.884127453794
(2022-Feb-17.38412745)
0.00010842 TDB
period 2097.687127345321
5.74
2.2886e-05
6.266e-08
d
yr
n .1716175855336395 1.8724e-09 deg/d
Q 3.722382261038369 2.7074e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2228  
   data-arc span      15869 days (43.45 yr)  
   first obs. used      1976-12-18  
   last obs. used      2020-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39454  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:05:09  

Additional Information
 Earth MOID = 1.71677 au 
 Jupiter MOID = 1.76996 au 
 T_jup = 3.144 
[ 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 12.0   n/a MPO473822  
diameter diameter 25.982 km 0.272 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.050   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

4071 Rostovdon (1981 RD2)          Discovered 1981-Sep-07 by Karachkina, L. G. 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
2031-Dec-19 06:58 < 00:01 Jupiter 1.85381525703072 1.85381477386094 1.8538157402005 3.97807584994873 3.86151162285823 2463219.789931242 0.63869912485142 93.9294332762547 22.1876187641846 87.5674484670206 3343828.29233752 T 26 CATAB v2.0f-lin.ifort 2020-Jun-23 16:05:23 2020-Jun-23 16:05
2043-Feb-27 15:36 00:01 Jupiter 1.78022518638697 1.78022477796637 1.78022559480787 3.70649625392558 3.57582496402975 2467308.149669409 1.02600136582244 117.629953363369 16.794578821743 85.8510602417912 3247806.19627099 T 26 CATAB v2.0f-lin.ifort 2020-Jun-23 16:05:23 2020-Jun-23 16:05
2054-May-22 10:51 00:02 Jupiter 1.79977736265581 1.79977676009172 1.79977796522256 3.36821735168978 3.22546672257738 2471409.951854986 1.5204322474041 150.88353874858 16.2461523640352 79.4786600037804 2977918.81631467 T 26 CATAB v2.0f-lin.ifort 2020-Jun-23 16:05:23 2020-Jun-23 16:05
2065-Aug-06 10:11 00:02 Jupiter 1.89819302848794 1.89819202510883 1.8981940318704 2.9337363683504 2.77747325385633 2475503.924347578 2.18847762239946 155.083492759266 22.6297046445259 68.8393500889187 2604460.98564185 T 26 CATAB v2.0f-lin.ifort 2020-Jun-23 16:05:23 2020-Jun-23 16:05
2198-May-30 00:27 00:06 Jupiter 1.87629544679035 1.87629285876652 1.87629803481417 3.83365040631936 3.71402861453026 2524012.518456133 6.46415514779875 131.301848427629 100.647969227685 -23.4429781611296 1663518.08313115 T 26 CATAB v2.0f-lin.ifort 2020-Jun-23 16:05:23 2020-Jun-23 16:05

Alternate Designations
 1981 RD2 = 1976 YL = 1987 SF1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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