Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.45795E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T12:56:49+0800
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    1 Object 1

    AOE ID 52633
    NORAD ID 52633
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 63291
    NORAD ID 63291
    Object Type UNKNOWN
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-3994 OBJECT A
    Time of Closest Approach 2026-09-05T21:53:59+0000
    Collision Probability (Pc) 1.45795E-6
    Conjunction Distance (km) 2.767 km
    Relative Speed (km/s) 14.259 km/s
    Conjunction Risk Parameters R (Radial): -0.347 | I (In-track): 0.946 | C (Cross-track): 2.577
    Collision Risk Index (CRI) 0.38
    X Position (km) 4461.542 4460.613
    Position Y (km) 3149.896 3152.169
    Position Z (km) -4254.536 -4253.262
    Velocity X (km/s) -5.797 4.491
    Velocity Y (km/s) 2.964 1.606
    Velocity Z (km/s) -3.89 5.887

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3994 OBJECT A
    Semimajor Axis (a) 6917.863 km 6903.340 km
    Eccentricity (e) 0.000170 0.002371
    Inclination (i) 53.1620° 97.6632°
    RAAN 184.4465° 28.2391°
    Perigee Argument 87.8138° 183.1238°
    Mean Anomaly (M) 272.3048° 176.9849°
    Apogee 540.904 km 541.574 km
    Perigee 538.548 km 508.832 km
    Orbit Epoch 2026-09-04T19:26:54+0000 2026-09-04T22:16:13+0000

    STARLINK-3994 & OBJECT A Collision Probability (Pc) Trend

    STARLINK-3994 & OBJECT A Collision Probability (Pc) TrendNot Available

    STARLINK-3994 & OBJECT A Miss Distance (Miss Distance) Trend

    STARLINK-3994 & OBJECT A Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3994Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT AMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3994Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT ACollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3994

    No nearby objects data