Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.788343E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-30T04:38:01+0800
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    1 Object 1

    AOE ID 52581
    NORAD ID 52581
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    Name NESS
    AOE ID 58020
    NORAD ID 58020
    Object Type PAYLOAD
    Country
    FR FR

    Conjunction Constraints

    Parameter STARLINK-3915 NESS
    Time of Closest Approach 2026-10-30T05:19:02+0000
    Collision Probability (Pc) 3.788343E-6
    Conjunction Distance (km) 1.717 km
    Relative Speed (km/s) 11.88 km/s
    Conjunction Risk Parameters R (Radial): -1.085 | I (In-track): 0.842 | C (Cross-track): -1.029
    Collision Risk Index (CRI) 0.47
    X Position (km) -3020.568 -3020.138
    Position Y (km) -2772.053 -2772.787
    Position Z (km) 5468.046 5466.554
    Velocity X (km/s) 5.115 -5.533
    Velocity Y (km/s) -5.672 -2.798
    Velocity Z (km/s) -0.049 -4.462

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3915 NESS
    Semimajor Axis (a) 6840.894 km 6841.619 km
    Eccentricity (e) 0.000143 0.000646
    Inclination (i) 53.1605° 97.5866°
    RAAN 138.2420° 30.2848°
    Perigee Argument 322.6771° 91.8595°
    Mean Anomaly (M) 37.4132° 268.3387°
    Apogee 463.738 km 467.902 km
    Perigee 461.776 km 459.062 km
    Orbit Epoch 2026-10-28T20:05:47+0000 2026-10-28T05:48:31+0000

    STARLINK-3915 & NESS Collision Probability (Pc) Trend

    STARLINK-3915 & NESS Collision Probability (Pc) TrendNot Available

    STARLINK-3915 & NESS Miss Distance (Miss Distance) Trend

    STARLINK-3915 & NESS Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3915Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    NESSMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3915Collision Probability Trend

    Object 1 Probability TrendNot Available

    NESSCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3915

    No nearby objects data