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101962 (1999 RV39)
Classification: Main-belt Asteroid          SPK-ID: 2101962
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1644927513659021 5.1598e-08  
a 2.422185608501761 1.0328e-08 au
q 2.023753633440414 1.2218e-07 au
i 7.933602067332169 4.9924e-06 deg
node 354.5693416068356 2.167e-05 deg
peri 9.878555723277776 2.3701e-05 deg
M 235.7321651950331 1.0646e-05 deg
tp 2459675.797780927797
(2022-Apr-06.29778093)
4.2504e-05 TDB
period 1376.92268801941
3.77
8.8062e-06
2.411e-08
d
yr
n .2614525878121962 1.6721e-09 deg/d
Q 2.820617583563107 1.2026e-08 au
  Orbit Determination Parameters
   # obs. used (total)      865  
   data-arc span      10486 days (28.71 yr)  
   first obs. used      1991-09-06  
   last obs. used      2020-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52333  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:57:30  

Additional Information
 Earth MOID = 1.02026 au 
 Jupiter MOID = 2.63792 au 
 T_jup = 3.481 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457520.5 (2016-May-12.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1632511892721895 5.155e-08  
q 2.028724776673091 1.2189e-07 au
tp 2456918.798744922404
(2014-Sep-18.29874492)
3.5025e-05 TDB
node 354.6052263410956 2.1644e-05 deg
peri 9.559690232207542 2.372e-05 deg
i 7.936820573939713 4.9923e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      865  
   data-arc span      10486 days (28.71 yr)  
   first obs. used      1991-09-06  
   last obs. used      2020-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52333  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:57:30  

Additional Information
 Jupiter MOID = 2.63792 au 
 T_jup = 3.481 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.657432471689727E-15 -6.269267947543033E-15 1.767491456213388E-13 2.024299658383124E-15 -5.824002617921409E-15 -3.985878022076199E-15
q -6.269267947543033E-15 1.485641456190646E-14 -3.527474770270259E-13 -4.803053791422187E-15 3.599319545204505E-14 9.481562083247739E-15
tp 1.767491456213388E-13 -3.527474770270259E-13 1.226752626731925E-9 9.78747676689607E-13 3.426879456449024E-10 -1.74612337525011E-12
node 2.024299658383124E-15 -4.803053791422187E-15 9.78747676689607E-13 4.684448034154435E-10 -4.633086431528071E-10 1.43694836487701E-11
peri -5.824002617921409E-15 3.599319545204505E-14 3.426879456449024E-10 -4.633086431528071E-10 5.626497305305692E-10 -1.464637203987976E-11
i -3.985878022076199E-15 9.481562083247739E-15 -1.74612337525011E-12 1.43694836487701E-11 -1.464637203987976E-11 2.492276499495441E-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 15.58   n/a E2021B55  
diameter diameter 2.432 km 0.455 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.082   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

101962 (1999 RV39)          Discovered 1999-Sep-12 by CSS at Catalina
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ 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
2123-Nov-05 04:39 < 00:01 Hebe 0.0409119788686382 0.0408937081468971 0.0409302597804186 8.40604187070119 8.40604185262464 2496777.693659921 0.958769380205425 1367.03322234287 40.9966743095165 48.2264601323459 111359.028575207 T 27 CATAB v2.0f-lin.ifort 2020-Nov-12 19:57:32 2020-Nov-12 19:57
2127-Aug-14 08:57 00:01 Hebe 0.0302609995500766 0.0302577663418089 0.0302642572436193 8.37189460650711 8.37189458196847 2498155.872845925 1.05454555390423 1412.24275461127 40.9919085204569 83.6333804290614 109737.468563752 T 27 CATAB v2.0f-lin.ifort 2020-Nov-12 19:57:32 2020-Nov-12 19:57
2131-May-24 20:07 00:01 Hebe 0.0382712740681167 0.0382541372777711 0.0382884254512304 8.33598703600787 8.33598701652165 2499535.338025680 1.13177740201001 1456.76548784145 40.9009484047742 -54.103315274648 113398.867269752 T 27 CATAB v2.0f-lin.ifort 2020-Nov-12 19:57:32 2020-Nov-12 19:57
2192-Jul-09 22:49 00:01 Eunom 0.0378921688692357 0.0378611156772714 0.0379232458679148 4.09702118751601 4.09702109709357 2521862.450460637 1.40264403511637 2152.99071002665 34.6800141423435 -44.0483065472217 113544.68293687 T 27 CATAB v2.0f-lin.ifort 2020-Nov-12 19:57:32 2020-Nov-12 19:57
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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