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70165 (1999 NT49)
Classification: Main-belt Asteroid          SPK-ID: 2070165
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1109294790969449 3.3462e-08  
a 2.321571571426191 8.2365e-09 au
q 2.064040846321608 7.8794e-08 au
i 4.314289934057554 3.7336e-06 deg
node 260.432498750244 6.1168e-05 deg
peri 22.0322177832647 6.4851e-05 deg
M 341.6831113404942 2.2693e-05 deg
tp 2459066.238644843956
(2020-Aug-04.73864484)
8.152e-05 TDB
period 1292.026860224557
3.54
6.8758e-06
1.882e-08
d
yr
n .2786319782372259 1.4828e-09 deg/d
Q 2.579102296530774 9.1502e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1418  
   data-arc span      7738 days (21.19 yr)  
   first obs. used      1999-06-26  
   last obs. used      2020-09-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52986  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:01:52  

Additional Information
 Earth MOID = 1.04833 au 
 Jupiter MOID = 2.53034 au 
 T_jup = 3.565 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456602.5 (2013-Nov-06.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1113736060649454 3.3558e-08  
q 2.062664973177401 7.9025e-08 au
tp 2456481.638950997977
(2013-Jul-08.13895100)
7.8788e-05 TDB
node 260.5351720521602 6.113e-05 deg
peri 21.70138698151787 6.4765e-05 deg
i 4.316040906590069 3.7347e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1418  
   data-arc span      7738 days (21.19 yr)  
   first obs. used      1999-06-26  
   last obs. used      2020-09-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52986  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:01:52  

Additional Information
 Jupiter MOID = 2.53034 au 
 T_jup = 3.565 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.126120061307294E-15 -2.640375212843951E-15 2.13262804075646E-13 -5.431358080343151E-15 7.697218946099011E-14 3.217691208521755E-16
q -2.640375212843951E-15 6.24498239861101E-15 -4.554467516422768E-13 1.327882569214518E-14 -1.682978345017347E-13 -6.307096932104522E-16
tp 2.13262804075646E-13 -4.554467516422768E-13 6.207623578448389E-9 -8.259285487032442E-12 1.709627211210892E-9 1.601391328062187E-12
node -5.431358080343151E-15 1.327882569214518E-14 -8.259285487032442E-12 3.736916226138071E-9 -3.727985557000827E-9 -1.194230105618986E-11
peri 7.697218946099011E-14 -1.682978345017347E-13 1.709627211210892E-9 -3.727985557000827E-9 4.194444480539838E-9 1.2355946707528E-11
i 3.217691208521755E-16 -6.307096932104522E-16 1.601391328062187E-12 -1.194230105618986E-11 1.2355946707528E-11 1.394768005492953E-11

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 14.9   n/a MPO381743  
diameter diameter 2.323 km 0.403 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.69 h n/a LCDB (Rev. 2019-August); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.473   0.132 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70165 (1999 NT49)          Discovered 1999-Jul-13 by LINEAR at Socorro
Reference: 20031109/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
2032-Feb-24 12:05 < 00:01 Amphi 0.0209384011829187 0.0209352334918752 0.0209415692320144 3.97077380573474 3.97077373659076 2463287.003404167 0.472804109585676 211.20295734117 36.4905495155069 42.3993772392071 58875.2005982761 T 28 CATAB v2.0f-lin.ifort 2020-Nov-12 22:01:55 2020-Nov-12 22:01
2167-Dec-15 05:35 < 00:01 Juno 0.0286395665746901 0.0286136231795367 0.0286655117843108 7.69825459359302 7.69825453841231 2512888.732441077 0.322885874334156 1342.40696067392 38.7758026287845 -15.5390180217522 29748.6963002345 T 28 CATAB v2.0f-lin.ifort 2020-Nov-12 22:01:55 2020-Nov-12 22:01
2194-May-01 08:00 00:02 Iris 0.0465871707909892 0.046579883988055 0.0465944847017984 5.88653684052701 5.88653681956433 2522522.833008902 1.58236808082929 1818.46817626 38.6304964955782 -78.5204362789078 176756.532964296 T 28 CATAB v2.0f-lin.ifort 2020-Nov-12 22:01:55 2020-Nov-12 22:01

Alternate Designations
 1999 NT49 = 2000 WT97 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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