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1611 Beyer (1950 DJ)
Classification: Main-belt Asteroid          SPK-ID: 2001611
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1615888913154281 3.5331e-08  
a 3.177413819484268 1.5275e-08 au
q 2.663979043143486 1.153e-07 au
i 4.276621775881575 3.7307e-06 deg
node 237.4826013962106 5.5629e-05 deg
peri 75.06281605053898 5.688e-05 deg
M .528049423530299 1.2953e-05 deg
tp 2459197.465541732550
(2020-Dec-13.96554173)
7.4423e-05 TDB
period 2068.755172534063
5.66
1.4918e-05
4.084e-08
d
yr
n .1740176917885494 1.2549e-09 deg/d
Q 3.690848595825051 1.7743e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2548  
   data-arc span      25849 days (70.77 yr)  
   first obs. used      1950-02-17  
   last obs. used      2020-11-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46612  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 12:41:32  

Additional Information
 Earth MOID = 1.65206 au 
 Jupiter MOID = 1.60929 au 
 T_jup = 3.176 
[ 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 11.86   n/a E2021B10  
diameter diameter 24.444 km 0.192 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 13.29 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:
[Behrend, R. (2009) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.062   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

1611 Beyer (1950 DJ)          Discovered 1950-Feb-17 by Reinmuth, K. at Heidelberg
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
1944-May-02 16:16 00:02 Jupiter 1.85068836550057 1.85068753249295 1.85068919850829 2.14673132930035 1.9217429546529 2431213.177432203 1.817240534186 87.2926043087388 15.5503854266208 -84.373950951956 2384598.93833766 T 30 CATAB v2.0f-lin.ifort 2021-Apr-12 12:41:59 2021-Apr-12 12:42
1955-Apr-16 14:35 00:01 Jupiter 1.69752753373118 1.69752701938765 1.6975280480746 1.95274161664051 1.67787107407969 2435214.107883416 1.42290864635922 82.8152738545659 28.4021059144863 -75.9326265303984 2992837.19888162 T 30 CATAB v2.0f-lin.ifort 2021-Apr-12 12:41:59 2021-Apr-12 12:42
1966-Apr-04 06:51 00:01 Jupiter 1.65372956637089 1.6537292372969 1.65372989544479 2.26092987786294 2.02173821420454 2439219.785432078 1.07121957301731 64.620418381433 18.271340612278 89.9973834188935 2692002.92137897 T 30 CATAB v2.0f-lin.ifort 2021-Apr-12 12:41:59 2021-Apr-12 12:42
1977-Mar-13 03:23 < 00:01 Jupiter 1.75060356860345 1.7506031564482 1.75060398075881 2.90541879779932 2.7338190168745 2443215.640839522 0.790747859814217 54.2982147886258 12.1365805554508 -83.1761570372585 2980816.20706529 T 30 CATAB v2.0f-lin.ifort 2021-Apr-12 12:41:59 2021-Apr-12 12:42
1988-Feb-02 09:42 < 00:01 Jupiter 1.95631580916369 1.95631537316459 1.95631624516279 3.89999131341763 3.78734681124539 2447193.904160440 0.532675600719015 40.6315315854626 15.9432522336715 -75.4022941496407 3777606.15297118 T 30 CATAB v2.0f-lin.ifort 2021-Apr-12 12:41:59 2021-Apr-12 12:42
2075-Aug-18 20:28 00:01 Jupiter 1.97769495982578 1.97769434131637 1.97769557833518 2.60457907511657 2.4345957923414 2479168.352914415 1.36767474038134 68.8727665747813 14.0141497928604 -85.3861075988666 2646747.99524545 T 30 CATAB v2.0f-lin.ifort 2021-Apr-12 12:41:59 2021-Apr-12 12:42
2086-Jul-29 04:24 00:02 Jupiter 1.80014640011282 1.80014575708071 1.80014704314483 1.97380082076022 1.71896192399014 2483165.683482035 1.69574133030693 80.7508241109697 15.7363264026863 89.63257842624 2399765.08877748 T 30 CATAB v2.0f-lin.ifort 2021-Apr-12 12:41:59 2021-Apr-12 12:42
2097-Jul-13 14:10 00:02 Jupiter 1.68915364602236 1.68915320131488 1.68915409072975 1.95171276417202 1.67519758779919 2487168.089986776 2.02784802269234 84.4244586701318 30.1928317132363 -72.0077325902728 3142695.8806974 T 30 CATAB v2.0f-lin.ifort 2021-Apr-12 12:41:59 2021-Apr-12 12:42
2108-Jun-27 16:02 00:02 Jupiter 1.69202353812234 1.69202308923094 1.69202398701383 2.42823012350943 2.21248882907035 2491169.167834463 2.41911872486465 83.6044273870665 13.9050832606254 86.1495291713261 2099452.73245113 T 30 CATAB v2.0f-lin.ifort 2021-Apr-12 12:41:59 2021-Apr-12 12:42
2119-May-31 08:07 00:03 Jupiter 1.82486710726634 1.8248660810091 1.82486813352638 3.25601144081798 3.11019276849527 2495158.837990466 2.8416416614067 138.406438856511 14.8860983058547 -76.08401241583 2860369.57264318 T 30 CATAB v2.0f-lin.ifort 2021-Apr-12 12:41:59 2021-Apr-12 12:42

Alternate Designations
 1950 DJ = 1958 RE 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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