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JPL Small-Body Database Browser
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1534 Nasi (1939 BK)
Classification: Main-belt Asteroid          SPK-ID: 2001534
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2519300735430402 2.7919e-08  
a 2.72889463313172 7.12e-09 au
q 2.041404007515638 7.5615e-08 au
i 9.793155994173912 3.6516e-06 deg
node 62.13108762009618 2.1022e-05 deg
peri 42.68349332001258 2.2713e-05 deg
M 32.87063197429238 7.1985e-06 deg
tp 2458850.156681932151
(2020-Jan-01.65668193)
3.2898e-05 TDB
period 1646.563855138374
4.51
6.4441e-06
1.764e-08
d
yr
n .2186371326423575 8.5567e-10 deg/d
Q 3.416385258747803 8.9137e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2708  
   data-arc span      34826 days (95.35 yr)  
   first obs. used      1924-12-22  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39722  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:26:01  

Additional Information
 Earth MOID = 1.06998 au 
 Jupiter MOID = 1.82486 au 
 T_jup = 3.288 
[ 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 11.9   n/a MPO452181  
diameter diameter 22.12 km 0.9 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 6
rotation period rot_per 7.94 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Sauppe, J.; Torno, S.; Lemke-Oliver, R.; Ditteon, R. (2007) Minor Planet Bull. 34, 119-122.]
[Galad, A. (2010) Astron. Astrophys. 514, A55.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
geometric albedo albedo 0.0754   0.006 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 6
SMASSII spectral type spec_B Cgh   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)

1534 Nasi (1939 BK)          Discovered 1939-Jan-20 by Vaisala, Y. at Turku
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
1914-Jul-07 19:22 00:01 Jupiter 1.90838752794688 1.90838690705357 1.90838814884703 1.24332295350913 0.811275532182753 2420321.307111702 1.18506067700537 379.977309923235 227.977304231383 -42.9269977944088 1847673.14028306 T 31 CATAB v2.0f-lin.ifort 2020-May-20 01:26:15 2020-May-20 01:26
1972-Jul-08 03:17 < 00:01 Jupiter 1.87192572271617 1.87192538835192 1.87192605708127 1.96219666007085 1.7161705159792 2441506.636717197 0.475115101290092 102.305327617626 33.5687816165036 81.0925899826907 2205097.40283972 T 31 CATAB v2.0f-lin.ifort 2020-May-20 01:26:15 2020-May-20 01:26
2009-Jan-09 12:36 < 00:01 Jupiter 1.83775083910213 1.83775046106186 1.83775121714532 1.18796594279139 0.699613928322466 2454841.025014217 0.198281817511376 498.383125725898 188.076589769388 -8.92131538893524 1873518.099305 T 31 CATAB v2.0f-lin.ifort 2020-May-20 01:26:15 2020-May-20 01:26
2067-Jan-16 20:55 < 00:01 Jupiter 1.97663339725093 1.97663284411825 1.97663395038395 2.31081693998664 2.117271690183 2476032.371662953 0.6364450709568 98.266060028661 14.2135016167763 80.8392291123256 2134138.24437023 T 31 CATAB v2.0f-lin.ifort 2020-May-20 01:26:15 2020-May-20 01:26
2103-Jul-19 11:52 00:01 Jupiter 1.82755001789986 1.82754967058566 1.82755036521531 1.40719478175023 1.02627895743181 2489363.994782999 1.0363479595733 224.241364918226 131.786289428034 -3.10483551012598 1397936.82476914 T 31 CATAB v2.0f-lin.ifort 2020-May-20 01:26:15 2020-May-20 01:26
2140-Feb-03 01:12 00:02 Jupiter 1.91078182767393 1.91078109626752 1.91078255907936 1.23601675448177 0.800728262043568 2502711.550066570 1.54318080665031 643.394325067384 202.631581730207 -13.8451367011574 1010955.9693836 T 31 CATAB v2.0f-lin.ifort 2020-May-20 01:26:15 2020-May-20 01:26
2198-Jan-26 05:17 00:02 Jupiter 1.86488276979487 1.86488198729375 1.86488355229462 1.70896056583227 1.41850413402164 2523888.720445450 2.03639871825984 117.475664463916 93.088647304114 32.9533627853855 945890.857014192 T 31 CATAB v2.0f-lin.ifort 2020-May-20 01:26:15 2020-May-20 01:26

Alternate Designations
 1939 BK = 1933 UQ = 1957 EA = 1960 UB = 1962 JA = A915 VB = A924 WE = A924 YE 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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