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18440 (1994 NV1)
Classification: Main-belt Asteroid          SPK-ID: 2018440
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .284162599009566 4.4758e-08  
a 3.032790181401877 1.7544e-08 au
q 2.170984641204027 1.4228e-07 au
i 6.535575759002191 3.8075e-06 deg
node 128.2038139909781 4.5399e-05 deg
peri 162.2195229674749 4.619e-05 deg
M 356.4456204467791 9.5791e-06 deg
tp 2459219.546855023329
(2021-Jan-05.04685502)
5.1424e-05 TDB
period 1929.132132831714
5.28
1.6739e-05
4.583e-08
d
yr
n .1866124118059073 1.6192e-09 deg/d
Q 3.894595721599727 2.2529e-08 au
  Orbit Determination Parameters
   # obs. used (total)      891  
   data-arc span      9942 days (27.22 yr)  
   first obs. used      1993-06-17  
   last obs. used      2020-09-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57242  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:29:20  

Additional Information
 Earth MOID = 1.15391 au 
 Jupiter MOID = 1.33215 au 
 T_jup = 3.170 
[ 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 14.76   n/a E2021B10  
diameter diameter 4.181 km 0.078 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.111   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18440 (1994 NV1)          Discovered 1994-Jul-08 by Elst, E. W. at Caussols
Reference: 20001111/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
1907-Apr-25 19:01 00:04 Jupiter 1.33323366782047 1.33323234983325 1.33323498588685 1.03013424104405 n/a 2417691.292611808 4.2314369831574 524.70702628892 11.6577831535095 82.9171741932206 16972006.0430352 F 22 CATAB v2.0f-lin.ifort 2021-Apr-13 02:29:25 2021-Apr-13 02:29
1954-Oct-29 16:59 00:02 Jupiter 1.33764831568797 1.33764762814088 1.33764900325707 1.07178163347627 n/a 2435045.207777450 1.90861858240986 285.609730501112 10.2660784470534 83.4188474977135 19357024.6248629 F 22 CATAB v2.0f-lin.ifort 2021-Apr-13 02:29:25 2021-Apr-13 02:29
2002-Jul-05 00:14 < 00:01 Jupiter 1.38022431911706 1.38022379943025 1.38022483880976 1.13806391008497 0.260422955438782 2452460.509884513 0.456914614884314 13073.7295509118 486.413491536048 0.336109081299297 1252081.7704985 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 02:29:25 2021-Apr-13 02:29
2050-May-27 07:20 00:01 Jupiter 1.52051595076705 1.52051492892376 1.52051697264404 1.23035517884783 0.632177777269414 2469953.805300011 1.07116767098519 990.256218098983 450.575062755644 26.8163434630213 1780271.89362759 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 02:29:25 2021-Apr-13 02:29
2059-Jul-04 10:53 00:01 Jupiter 1.8898504666865 1.88984916243678 1.88985177093643 2.15611949619106 1.93712680107732 2473278.953379591 1.44231209142536 128.071153010168 12.0849980118682 78.8138926744013 1655228.06758821 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 02:29:25 2021-Apr-13 02:29
2098-Jun-25 20:32 00:02 Jupiter 1.79321538741507 1.79321344468811 1.79321733016832 1.53575107191538 1.18904770814627 2487515.355230591 2.14180193413701 450.108486802873 114.571874235829 74.9592101466416 1838878.55896688 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 02:29:25 2021-Apr-13 02:29
2107-Aug-28 19:47 00:03 Jupiter 1.62531553525021 1.62531368292408 1.62531738764826 0.841804414032185 n/a 2490865.324077852 2.51055300759176 590.734254983202 35.3236258918955 81.6778793995551 6809067.16779476 F 22 CATAB v2.0f-lin.ifort 2021-Apr-13 02:29:25 2021-Apr-13 02:29
2155-Sep-05 13:24 00:03 Jupiter 1.4370148039246 1.43701340086541 1.43701620700484 0.855272723603754 n/a 2508405.058272782 2.53017932598298 353.962882954862 42.8684257200624 80.9455332450611 4951510.2015207 F 22 CATAB v2.0f-lin.ifort 2021-Apr-13 02:29:25 2021-Apr-13 02:29

Alternate Designations
 1994 NV1 = 1998 BY17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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