Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    8.852662E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T07:31:44+0800
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    1 Object 1

    Name ALICE
    AOE ID 39467
    NORAD ID 39467
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 66574
    NORAD ID 66574
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ALICE STARLINK-35812
    Time of Closest Approach 2026-09-03T08:23:05+0000
    Collision Probability (Pc) 8.852662E-6
    Conjunction Distance (km) 1.387 km
    Relative Speed (km/s) 15.111 km/s
    Conjunction Risk Parameters R (Radial): 0.775 | I (In-track): 0.167 | C (Cross-track): 1.138
    Collision Risk Index (CRI) 0.54
    X Position (km) -4276.775 -4277.07
    Position Y (km) -5158.307 -5157.286
    Position Z (km) 1469.226 1468.336
    Velocity X (km/s) -2.085 3.7
    Velocity Y (km/s) 3.707 -4.482
    Velocity Z (km/s) 6.366 -4.939

    Orbital Parameters 国际轨道数据源

    Parameter ALICE STARLINK-35812
    Semimajor Axis (a) 6914.302 km 6861.143 km
    Eccentricity (e) 0.017032 0.000072
    Inclination (i) 120.4633° 42.9978°
    RAAN 232.1944° 68.5326°
    Perigee Argument 76.4180° 245.8494°
    Mean Anomaly (M) 285.5799° 114.2282°
    Apogee 653.933 km 483.501 km
    Perigee 418.397 km 482.511 km
    Orbit Epoch 2026-09-01T21:21:45+0000 2026-09-02T12:50:59+0000

    ALICE & STARLINK-35812 Collision Probability (Pc) Trend

    ALICE & STARLINK-35812 Collision Probability (Pc) TrendNot Available

    ALICE & STARLINK-35812 Miss Distance (Miss Distance) Trend

    ALICE & STARLINK-35812 Miss Distance (Miss Distance) TrendNot Available

    ALICEMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35812Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ALICECollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35812Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ALICE

    No nearby objects data