Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.888052E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T16:03:15+0800
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    1 Object 1

    AOE ID 53411
    NORAD ID 53411
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66222
    NORAD ID 66222
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4497 STARLINK-35666
    Time of Closest Approach 2026-10-21T10:00:46+0000
    Collision Probability (Pc) 9.888052E-7
    Conjunction Distance (km) 2.928 km
    Relative Speed (km/s) 8.229 km/s
    Conjunction Risk Parameters R (Radial): -2.827 | I (In-track): 0.635 | C (Cross-track): -0.413
    Collision Risk Index (CRI) 0.35
    X Position (km) 2900.049 2900.638
    Position Y (km) -3902.972 -3905.035
    Position Z (km) 4798.119 4800.111
    Velocity X (km/s) 6.894 3.442
    Velocity Y (km/s) 1.516 6.161
    Velocity Z (km/s) -2.926 2.924

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4497 STARLINK-35666
    Semimajor Axis (a) 6837.883 km 6840.840 km
    Eccentricity (e) 0.000125 0.000130
    Inclination (i) 53.1613° 53.1561°
    RAAN 176.8636° 263.8075°
    Perigee Argument 86.0314° 94.3076°
    Mean Anomaly (M) 274.0832° 265.8075°
    Apogee 460.600 km 463.596 km
    Perigee 458.892 km 461.810 km
    Orbit Epoch 2026-10-20T21:00:03+0000 2026-10-20T08:44:06+0000

    STARLINK-4497 & STARLINK-35666 Collision Probability (Pc) Trend

    STARLINK-4497 & STARLINK-35666 Collision Probability (Pc) TrendNot Available

    STARLINK-4497 & STARLINK-35666 Miss Distance (Miss Distance) Trend

    STARLINK-4497 & STARLINK-35666 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4497Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35666Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4497Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35666Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4497

    No nearby objects data