Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.132174E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-22T18:41:46+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 55343
    NORAD ID 55343
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 67678
    NORAD ID 67678
    Object Type PAYLOAD
    Country
    CIS CIS

    Conjunction Constraints

    Parameter STARLINK-5661 COSMOS 2604
    Time of Closest Approach 2026-10-22T12:49:03+0000
    Collision Probability (Pc) 2.132174E-6
    Conjunction Distance (km) 2.177 km
    Relative Speed (km/s) 12.826 km/s
    Conjunction Risk Parameters R (Radial): 1.914 | I (In-track): -0.561 | C (Cross-track): -0.873
    Collision Risk Index (CRI) 0.42
    X Position (km) 5111.375 5112.205
    Position Y (km) -1073.12 -1074.091
    Position Z (km) -4453.411 -4455.174
    Velocity X (km/s) 0.174 4.532
    Velocity Y (km/s) 7.447 -2.129
    Velocity Z (km/s) -1.596 5.739

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5661 COSMOS 2604
    Semimajor Axis (a) 6861.193 km 6861.330 km
    Eccentricity (e) 0.000112 0.001820
    Inclination (i) 43.0016° 96.6058°
    RAAN 106.2621° 341.7143°
    Perigee Argument 259.3775° 41.9816°
    Mean Anomaly (M) 100.6950° 318.2816°
    Apogee 483.826 km 495.680 km
    Perigee 482.286 km 470.706 km
    Orbit Epoch 2026-10-21T18:27:25+0000 2026-10-21T16:33:26+0000

    STARLINK-5661 & COSMOS 2604 Collision Probability (Pc) Trend

    STARLINK-5661 & COSMOS 2604 Collision Probability (Pc) TrendNot Available

    STARLINK-5661 & COSMOS 2604 Miss Distance (Miss Distance) Trend

    STARLINK-5661 & COSMOS 2604 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5661Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 2604Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5661Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 2604Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5661

    No nearby objects data