Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.511049E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T14:10:55+0800
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    1 Object 1

    AOE ID 64540
    NORAD ID 64540
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 68178
    NORAD ID 68178
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ARCSTONE STARLINK-36677
    Time of Closest Approach 2026-09-07T14:52:39+0000
    Collision Probability (Pc) 1.511049E-6
    Conjunction Distance (km) 2.649 km
    Relative Speed (km/s) 13.539 km/s
    Conjunction Risk Parameters R (Radial): 1.888 | I (In-track): -0.847 | C (Cross-track): 1.654
    Collision Risk Index (CRI) 0.39
    X Position (km) 4274.318 4275.105
    Position Y (km) 1364.629 1363.356
    Position Z (km) -5168.808 -5170.992
    Velocity X (km/s) 5.836 -4.331
    Velocity Y (km/s) 0.276 5.943
    Velocity Z (km/s) 4.9 -2.015

    Orbital Parameters 国际轨道数据源

    Parameter ARCSTONE STARLINK-36677
    Semimajor Axis (a) 6838.134 km 6840.864 km
    Eccentricity (e) 0.000163 0.000145
    Inclination (i) 97.4672° 53.1584°
    RAAN 6.1196° 152.7509°
    Perigee Argument 243.2988° 77.2730°
    Mean Anomaly (M) 116.8089° 282.8434°
    Apogee 461.111 km 463.718 km
    Perigee 458.883 km 461.736 km
    Orbit Epoch 2026-09-04T18:16:11+0000 2026-09-04T10:45:13+0000

    ARCSTONE & STARLINK-36677 Collision Probability (Pc) Trend

    ARCSTONE & STARLINK-36677 Collision Probability (Pc) TrendNot Available

    ARCSTONE & STARLINK-36677 Miss Distance (Miss Distance) Trend

    ARCSTONE & STARLINK-36677 Miss Distance (Miss Distance) TrendNot Available

    ARCSTONEMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36677Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ARCSTONECollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36677Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ARCSTONE

    No nearby objects data