Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.412876E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T09:13:40+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 53012
    NORAD ID 53012
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter DAMPE STARLINK-4271
    Time of Closest Approach 2026-09-03T11:56:58+0000
    Collision Probability (Pc) 1.412876E-6
    Conjunction Distance (km) 2.728 km
    Relative Speed (km/s) 13.037 km/s
    Conjunction Risk Parameters R (Radial): 2.685 | I (In-track): -0.25 | C (Cross-track): -0.409
    Collision Risk Index (CRI) 0.38
    X Position (km) 600.149 600.693
    Position Y (km) 4207.002 4208.348
    Position Z (km) 5357.791 5360.1
    Velocity X (km/s) 2.407 -7.516
    Velocity Y (km/s) 5.572 -0.508
    Velocity Z (km/s) -4.638 1.238

    Orbital Parameters 国际轨道数据源

    Parameter DAMPE STARLINK-4271
    Semimajor Axis (a) 6851.105 km 6848.892 km
    Eccentricity (e) 0.001244 0.000110
    Inclination (i) 97.4593° 53.1635°
    RAAN 251.4955° 19.5071°
    Perigee Argument 153.3108° 75.7713°
    Mean Anomaly (M) 206.8776° 284.3411°
    Apogee 481.495 km 471.512 km
    Perigee 464.441 km 469.998 km
    Orbit Epoch 2026-09-02T15:00:03+0000 2026-09-01T15:45:40+0000

    DAMPE & STARLINK-4271 Collision Probability (Pc) Trend

    DAMPE & STARLINK-4271 Collision Probability (Pc) TrendNot Available

    DAMPE & STARLINK-4271 Miss Distance (Miss Distance) Trend

    DAMPE & STARLINK-4271 Miss Distance (Miss Distance) TrendNot Available

    DAMPEMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4271Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DAMPECollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4271Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DAMPE

    No nearby objects data