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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1108951083291134 3.3417e-08  
a 2.320796160138659 8.3456e-09 au
q 2.063431218550292 7.8638e-08 au
i 4.313114270373434 3.7277e-06 deg
node 260.4060760650504 6.1044e-05 deg
peri 21.72208590550053 6.4729e-05 deg
M 92.33631917792212 2.2828e-05 deg
tp 2459065.274335422190
(2020-Aug-03.77433542)
8.143e-05 TDB
period 1291.379603493253
3.54
6.9657e-06
1.907e-08
d
yr
n .2787716323118161 1.5037e-09 deg/d
Q 2.578161101727027 9.271e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1429  
   data-arc span      7738 days (21.19 yr)  
   first obs. used      1999-06-26  
   last obs. used      2020-09-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52857  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:47:51  

Additional Information
 Earth MOID = 1.04746 au 
 Jupiter MOID = 2.52802 au 
 T_jup = 3.566 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456608.5 (2013-Nov-12.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .111368991845456 3.3557e-08  
q 2.062661022420788 7.9024e-08 au
tp 2456481.631894511252
(2013-Jul-08.13189451)
7.8608e-05 TDB
node 260.5351686813007 6.0965e-05 deg
peri 21.69898353174219 6.4589e-05 deg
i 4.316040725207602 3.7297e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1429  
   data-arc span      7738 days (21.19 yr)  
   first obs. used      1999-06-26  
   last obs. used      2020-09-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52857  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:47:51  

Additional Information
 Jupiter MOID = 2.52802 au 
 T_jup = 3.566 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.126066144225462E-15 -2.640309001422523E-15 2.14352184539927E-13 -5.517229178599396E-15 7.73928511951607E-14 3.255858878008615E-16
q -2.640309001422523E-15 6.244869586998354E-15 -4.56318194183833E-13 1.348067484449574E-14 -1.687708417833457E-13 -6.394486248133335E-16
tp 2.14352184539927E-13 -4.56318194183833E-13 6.179221219853997E-9 -8.319469786279261E-12 1.701008880577543E-9 1.599827895437056E-12
node -5.517229178599396E-15 1.348067484449574E-14 -8.319469786279261E-12 3.716723500456736E-9 -3.707872162871071E-9 -1.10739024497424E-11
peri 7.73928511951607E-14 -1.687708417833457E-13 1.701008880577543E-9 -3.707872162871071E-9 4.171757814641667E-9 1.148969292580433E-11
i 3.255858878008615E-16 -6.394486248133335E-16 1.599827895437056E-12 -1.10739024497424E-11 1.148969292580433E-11 1.391040036684387E-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 14.88   n/a E2021B10  
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. 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:
[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 29 CATAB v2.0f-lin.ifort 2021-Apr-13 12:47:55 2021-Apr-13 12:47
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 29 CATAB v2.0f-lin.ifort 2021-Apr-13 12:47:55 2021-Apr-13 12:47
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 29 CATAB v2.0f-lin.ifort 2021-Apr-13 12:47:55 2021-Apr-13 12:47

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