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21205 (1994 PV27)
Classification: Main-belt Asteroid          SPK-ID: 2021205
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1571210734968835 3.8526e-08  
a 2.613256542082745 1.0362e-08 au
q 2.20265886886795 1.0087e-07 au
i 6.665463546516558 3.559e-06 deg
node 131.4739318507928 3.4736e-05 deg
peri 45.98640204613483 3.6245e-05 deg
M 229.6679998750202 1.2077e-05 deg
tp 2459759.124598720107
(2022-Jun-28.62459872)
5.3507e-05 TDB
period 1543.019790583986
4.22
9.1774e-06
2.513e-08
d
yr
n .2333087379674832 1.3876e-09 deg/d
Q 3.02385421529754 1.199e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1537  
   data-arc span      9681 days (26.51 yr)  
   first obs. used      1994-08-12  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49867  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:41:28  

Additional Information
 Earth MOID = 1.21303 au 
 Jupiter MOID = 1.95222 au 
 T_jup = 3.381 
[ 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 14.39   n/a E2021B10  
diameter diameter 4.297 km 0.176 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.182   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

21205 (1994 PV27)          Discovered 1994-Aug-12 by Elst, E. W. at La Silla
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

[ 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
1927-Apr-06 21:40 00:02 Jupiter 1.97100490850573 1.97100445540913 1.97100536160311 2.48744029591003 2.3082192967458 2424977.402970903 1.49890626842625 108.063724442948 13.6085519193878 -88.7286904846394 2845034.02809754 T 34 CATAB v2.0f-lin.ifort 2021-Apr-13 03:41:31 2021-Apr-13 03:41
2058-Aug-08 14:53 < 00:01 Jupiter 1.9616112473707 1.96161091909716 1.96161157564425 2.21469566278713 2.0102930453632 2472949.120397633 0.723178329141154 59.153574190863 11.5167546164675 80.3658197023722 2695206.16640408 T 34 CATAB v2.0f-lin.ifort 2021-Apr-13 03:41:31 2021-Apr-13 03:41
2117-Aug-15 17:20 00:02 Jupiter 1.94532783632799 1.94532751848826 1.94532815416761 2.2310738087922 2.02653961636555 2494505.222024033 1.70431978494244 126.264780556227 14.7735080706111 84.5960144851903 2625004.12495838 T 34 CATAB v2.0f-lin.ifort 2021-Apr-13 03:41:31 2021-Apr-13 03:41
2176-Aug-22 19:38 00:03 Jupiter 1.95587122726452 1.95587072258298 1.9558717319495 2.34240327626209 2.1495859833341 2516062.317971895 2.66890722847385 189.477135779272 14.3988996285046 88.5510043516434 2710550.15759361 T 34 CATAB v2.0f-lin.ifort 2021-Apr-13 03:41:31 2021-Apr-13 03:41

Alternate Designations
 1994 PV27 = 1999 VS197 = 2000 YO18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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