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5870 Baltimore (1989 CC1)
Classification: Mars-crossing Asteroid          SPK-ID: 2005870
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4195972817765863 2.5425e-08  
a 2.792524991631576 8.767e-09 au
q 1.620789095849782 7.2731e-08 au
i 28.95869227495236 5.2616e-06 deg
node 153.6601318748315 6.488e-06 deg
peri 272.1615670990343 9.3776e-06 deg
M 297.7244442141284 6.8732e-06 deg
tp 2459295.355437428846
(2021-Mar-21.85543743)
3.3006e-05 TDB
period 1704.488320254641
4.67
8.0267e-06
2.198e-08
d
yr
n .211207079404462 9.9461e-10 deg/d
Q 3.964260887413369 1.2446e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1709  
   data-arc span      16734 days (45.82 yr)  
   first obs. used      1975-01-23  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46789  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:24:16  

Additional Information
 Earth MOID = .887142 au 
 Jupiter MOID = 2.32714 au 
 T_jup = 3.027 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.3   n/a MPO347571  
diameter diameter 7.54 km 0.8 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 16
rotation period rot_per 4.989 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Stephens, R.D.; Warner, B.D. (2021) Minor Planet Bull. 48-1, submitted. (MBA Gaggle) http://www.planetarysciences.org/lightcurves.html]
geometric albedo albedo 0.2150   0.058 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 16

5870 Baltimore (1989 CC1)          Discovered 1989-Feb-11 by Helin, E. F. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1989 CC1 = 1992 PD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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