Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.226038E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:56:08+0800
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    1 Object 1

    Name DAMPE
    AOE ID 41173
    NORAD ID 41173
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 55385
    NORAD ID 55385
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter DAMPE STARLINK-5556
    Time of Closest Approach 2026-10-20T04:13:02+0000
    Collision Probability (Pc) 4.226038E-6
    Conjunction Distance (km) 1.724 km
    Relative Speed (km/s) 14.291 km/s
    Conjunction Risk Parameters R (Radial): 0.955 | I (In-track): -0.495 | C (Cross-track): 1.348
    Collision Risk Index (CRI) 0.48
    X Position (km) -3132.281 -3132.902
    Position Y (km) 5948.848 5947.31
    Position Z (km) -1381.029 -1381.498
    Velocity X (km/s) 1.598 -5.509
    Velocity Y (km/s) -0.87 -1.752
    Velocity Z (km/s) -7.396 4.97

    Orbital Parameters 国际轨道数据源

    Parameter DAMPE STARLINK-5556
    Semimajor Axis (a) 6850.820 km 6861.204 km
    Eccentricity (e) 0.001213 0.000104
    Inclination (i) 97.4603° 43.0024°
    RAAN 298.4215° 137.1511°
    Perigee Argument 4.3439° 232.1648°
    Mean Anomaly (M) 355.7905° 127.9109°
    Apogee 480.996 km 483.780 km
    Perigee 464.370 km 482.354 km
    Orbit Epoch 2026-10-19T06:59:31+0000 2026-10-19T00:02:44+0000

    DAMPE & STARLINK-5556 Collision Probability (Pc) Trend

    DAMPE & STARLINK-5556 Collision Probability (Pc) TrendNot Available

    DAMPE & STARLINK-5556 Miss Distance (Miss Distance) Trend

    DAMPE & STARLINK-5556 Miss Distance (Miss Distance) TrendNot Available

    DAMPEMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5556Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DAMPECollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5556Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DAMPE

    No nearby objects data