Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.495485E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-30T22:52:48+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 59465
    NORAD ID 59465
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter DAMPE STARLINK-31621
    Time of Closest Approach 2026-10-31T00:36:53+0000
    Collision Probability (Pc) 1.495485E-6
    Conjunction Distance (km) 2.719 km
    Relative Speed (km/s) 14.249 km/s
    Conjunction Risk Parameters R (Radial): 1.54 | I (In-track): -0.787 | C (Cross-track): -2.097
    Collision Risk Index (CRI) 0.38
    X Position (km) -4077.458 -4076.999
    Position Y (km) 5197.103 5199.712
    Position Z (km) -1850.519 -1849.91
    Velocity X (km/s) 2.065 -5.379
    Velocity Y (km/s) -0.969 -2.521
    Velocity Z (km/s) -7.271 4.779

    Orbital Parameters 国际轨道数据源

    Parameter DAMPE STARLINK-31621
    Semimajor Axis (a) 6850.757 km 6861.069 km
    Eccentricity (e) 0.001092 0.000259
    Inclination (i) 97.4589° 43.0036°
    RAAN 309.1984° 154.4235°
    Perigee Argument 325.2033° 276.5930°
    Mean Anomaly (M) 34.8493° 83.4626°
    Apogee 480.101 km 484.709 km
    Perigee 465.139 km 481.155 km
    Orbit Epoch 2026-10-30T00:14:02+0000 2026-10-29T11:03:16+0000

    DAMPE & STARLINK-31621 Collision Probability (Pc) Trend

    DAMPE & STARLINK-31621 Collision Probability (Pc) TrendNot Available

    DAMPE & STARLINK-31621 Miss Distance (Miss Distance) Trend

    DAMPE & STARLINK-31621 Miss Distance (Miss Distance) TrendNot Available

    DAMPEMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31621Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DAMPECollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31621Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DAMPE

    No nearby objects data