Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    5.890731E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-01T13:09:06+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 68821
    NORAD ID 68821
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter DAMPE STARLINK-37421
    Time of Closest Approach 2026-09-01T09:44:37+0000
    Collision Probability (Pc) 5.890731E-6
    Conjunction Distance (km) 1.564 km
    Relative Speed (km/s) 14.912 km/s
    Conjunction Risk Parameters R (Radial): 1.202 | I (In-track): 0.216 | C (Cross-track): 0.977
    Collision Risk Index (CRI) 0.5
    X Position (km) 671.609 670.505
    Position Y (km) 4007.396 4006.859
    Position Z (km) 5500.964 5499.997
    Velocity X (km/s) 2.637 0.616
    Velocity Y (km/s) 5.639 -6.192
    Velocity Z (km/s) -4.426 4.425

    Orbital Parameters 国际轨道数据源

    Parameter DAMPE STARLINK-37421
    Semimajor Axis (a) 6851.109 km 6843.674 km
    Eccentricity (e) 0.001231 0.000160
    Inclination (i) 97.4590° 97.2850°
    RAAN 249.7207° 89.6277°
    Perigee Argument 159.2757° 92.7590°
    Mean Anomaly (M) 200.8986° 267.3836°
    Apogee 481.410 km 466.630 km
    Perigee 464.534 km 464.444 km
    Orbit Epoch 2026-08-31T20:38:49+0000 2026-08-31T13:08:56+0000

    DAMPE & STARLINK-37421 Collision Probability (Pc) Trend

    DAMPE & STARLINK-37421 Collision Probability (Pc) TrendNot Available

    DAMPE & STARLINK-37421 Miss Distance (Miss Distance) Trend

    DAMPE & STARLINK-37421 Miss Distance (Miss Distance) TrendNot Available

    DAMPEMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37421Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DAMPECollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37421Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DAMPE

    No nearby objects data