Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.53307E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T12:45:28+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 67464
    NORAD ID 67464
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter DAMPE STARLINK-36421
    Time of Closest Approach 2026-10-21T19:12:28+0000
    Collision Probability (Pc) 4.53307E-6
    Conjunction Distance (km) 1.555 km
    Relative Speed (km/s) 9.827 km/s
    Conjunction Risk Parameters R (Radial): -1.13 | I (In-track): 0.82 | C (Cross-track): -0.682
    Collision Risk Index (CRI) 0.48
    X Position (km) -3204.383 -3204.127
    Position Y (km) 4242.05 4242.617
    Position Z (km) 4326.924 4328.348
    Velocity X (km/s) -1.848 -6.706
    Velocity Y (km/s) 4.564 -3.058
    Velocity Z (km/s) -5.819 -1.962

    Orbital Parameters 国际轨道数据源

    Parameter DAMPE STARLINK-36421
    Semimajor Axis (a) 6850.809 km 6861.168 km
    Eccentricity (e) 0.001191 0.000131
    Inclination (i) 97.4605° 43.0029°
    RAAN 300.1300° 16.5478°
    Perigee Argument 358.3060° 280.2719°
    Mean Anomaly (M) 1.8139° 79.7985°
    Apogee 480.835 km 483.932 km
    Perigee 464.509 km 482.130 km
    Orbit Epoch 2026-10-20T23:46:28+0000 2026-10-20T06:37:37+0000

    DAMPE & STARLINK-36421 Collision Probability (Pc) Trend

    DAMPE & STARLINK-36421 Collision Probability (Pc) TrendNot Available

    DAMPE & STARLINK-36421 Miss Distance (Miss Distance) Trend

    DAMPE & STARLINK-36421 Miss Distance (Miss Distance) TrendNot Available

    DAMPEMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36421Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DAMPECollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36421Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DAMPE

    No nearby objects data