Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.76794E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-16T13:47:25+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 52666
    NORAD ID 52666
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ALICE STARLINK-4079
    Time of Closest Approach 2026-10-17T16:53:14+0000
    Collision Probability (Pc) 1.76794E-6
    Conjunction Distance (km) 2.512 km
    Relative Speed (km/s) 15.193 km/s
    Conjunction Risk Parameters R (Radial): -2.115 | I (In-track): -0.124 | C (Cross-track): 1.349
    Collision Risk Index (CRI) 0.4
    X Position (km) 5078.19 5077.506
    Position Y (km) 1705.337 1704.113
    Position Z (km) 4313.294 4311.21
    Velocity X (km/s) -1.959 1.03
    Velocity Y (km/s) -5.896 6.53
    Velocity Z (km/s) 4.43 -3.783

    Orbital Parameters 国际轨道数据源

    Parameter ALICE STARLINK-4079
    Semimajor Axis (a) 6911.585 km 6881.820 km
    Eccentricity (e) 0.016607 0.000199
    Inclination (i) 120.4614° 53.1612°
    RAAN 38.7408° 243.4722°
    Perigee Argument 120.5323° 82.7617°
    Mean Anomaly (M) 241.2250° 73.6085°
    Apogee 648.229 km 505.054 km
    Perigee 418.667 km 502.312 km
    Orbit Epoch 2026-10-15T13:51:39+0000 2026-10-16T00:00:03+0000

    ALICE & STARLINK-4079 Collision Probability (Pc) Trend

    ALICE & STARLINK-4079 Collision Probability (Pc) TrendNot Available

    ALICE & STARLINK-4079 Miss Distance (Miss Distance) Trend

    ALICE & STARLINK-4079 Miss Distance (Miss Distance) TrendNot Available

    ALICEMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4079Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ALICECollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4079Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ALICE

    No nearby objects data