Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.301025E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-31T01:09:32+0800
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    1 Object 1

    AOE ID 43613
    NORAD ID 43613
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59351
    NORAD ID 59351
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ICESAT-2 STARLINK-31555
    Time of Closest Approach 2026-11-01T11:48:45+0000
    Collision Probability (Pc) 4.301025E-6
    Conjunction Distance (km) 1.487 km
    Relative Speed (km/s) 7.348 km/s
    Conjunction Risk Parameters R (Radial): -1.485 | I (In-track): 0.036 | C (Cross-track): 0.017
    Collision Risk Index (CRI) 0.48
    X Position (km) -5228.123 -5227.012
    Position Y (km) 3136.649 3135.966
    Position Z (km) 3143.206 3142.493
    Velocity X (km/s) -2.849 -4.936
    Velocity Y (km/s) 2.057 -4.357
    Velocity Z (km/s) -6.766 -3.851

    Orbital Parameters 国际轨道数据源

    Parameter ICESAT-2 STARLINK-31555
    Semimajor Axis (a) 6859.117 km 6861.098 km
    Eccentricity (e) 0.000235 0.000146
    Inclination (i) 91.9953° 43.0032°
    RAAN 327.2975° 17.6445°
    Perigee Argument 23.5958° 274.1231°
    Mean Anomaly (M) 336.5399° 344.8381°
    Apogee 482.595 km 483.960 km
    Perigee 479.365 km 481.962 km
    Orbit Epoch 2026-10-29T20:17:15+0000 2026-10-29T20:00:02+0000

    ICESAT-2 & STARLINK-31555 Collision Probability (Pc) Trend

    ICESAT-2 & STARLINK-31555 Collision Probability (Pc) TrendNot Available

    ICESAT-2 & STARLINK-31555 Miss Distance (Miss Distance) Trend

    ICESAT-2 & STARLINK-31555 Miss Distance (Miss Distance) TrendNot Available

    ICESAT-2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31555Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ICESAT-2Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31555Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ICESAT-2

    No nearby objects data