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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1643408122529546 5.1578e-08  
a 2.422446378824769 1.0369e-08 au
q 2.024339573289478 1.221e-07 au
i 7.933185935363914 4.992e-06 deg
node 354.5680244882901 2.1671e-05 deg
peri 9.885515171028691 2.3706e-05 deg
M 183.4306369788471 1.047e-05 deg
tp 2459675.948956977021
(2022-Apr-06.44895698)		 4.2544e-05 TDB
period 1377.145051390354
3.77		 8.842e-06
2.421e-08		 d
yr
n .2614103718679067 1.6784e-09 deg/d
Q 2.82055318436006 1.2073e-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 = 1.02245 au 
 Jupiter MOID = 2.63711 au 
 T_jup = 3.481 
[ 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 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

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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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