Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
975 Perseverantia (A922 FE)
Classification: Main-belt Asteroid          SPK-ID: 2000975
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03314035810064137 3.0544e-08  
a 2.832844063008898 8.8521e-09 au
q 2.738962596317507 8.7845e-08 au
i 2.555603477236041 3.6426e-06 deg
node 38.678003558724 7.9484e-05 deg
peri 59.25078405097354 9.858e-05 deg
M 291.8657437151619 5.8125e-05 deg
tp 2459330.106258434627
(2021-Apr-25.60625843)
0.00028129 TDB
period 1741.535895547312
4.77
8.1629e-06
2.235e-08
d
yr
n .2067140854922561 9.6891e-10 deg/d
Q 2.926725529700288 9.1454e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3510  
   data-arc span      36012 days (98.60 yr)  
   first obs. used      1922-03-28  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44051  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:23:47  

Additional Information
 Earth MOID = 1.75691 au 
 Jupiter MOID = 2.11375 au 
 T_jup = 3.310 
[ 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 10.5   n/a MPO502162 IRAS observations used: 3
diameter diameter 22.169 km 0.237 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 7.267 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2003) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Slivan, S.M.; Binzel, R.P.; Boroumand, S.C.; Pan M.W.; et al. (2008) Icarus 195, 226-276.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.246   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.845   0.007 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=6.01, mean=6.91, max.=7.80) deg.
U-B UB 0.425   0.049 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=6.01, mean=6.91, max.=7.80) deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices; used ground-based radiometric albedo

975 Perseverantia (A922 FE)          Discovered 1922-Mar-27 by Palisa, J. at Vienna
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ 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
2046-Feb-26 04:06 < 00:01 Juno 0.0260662278929443 0.0260644226144903 0.0260680332848076 5.83416402550137 5.83416394550152 2468402.670861204 0.45188304669738 128.480776192533 32.0487763835217 47.4848521834441 91954.4243951862 T 38 CATAB v2.0f-lin.ifort 2020-Nov-13 04:23:57 2020-Nov-13 04:23
2171-Feb-24 00:59 00:05 Iris 0.0199404186695466 0.0199351197245487 0.0199457196146523 3.20774254685604 3.20774245698096 2514055.540719957 4.77860197581958 412.759418643329 33.7904439413276 50.4613899195476 68177.0147357161 T 38 CATAB v2.0f-lin.ifort 2020-Nov-13 04:23:57 2020-Nov-13 04:23

Alternate Designations
 A922 FE = 1950 CK = A912 CB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-26 10:14 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin