Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.177101E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-16T17:10:25+0800
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    1 Object 1

    AOE ID 53590
    NORAD ID 53590
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 64344
    NORAD ID 64344
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4689 STARLINK-33977
    Time of Closest Approach 2026-10-17T19:36:01+0000
    Collision Probability (Pc) 1.177101E-6
    Conjunction Distance (km) 2.797 km
    Relative Speed (km/s) 10.1 km/s
    Conjunction Risk Parameters R (Radial): -2.643 | I (In-track): 0.687 | C (Cross-track): -0.599
    Collision Risk Index (CRI) 0.36
    X Position (km) -4334.556 -4335.787
    Position Y (km) 1250.979 1252.239
    Position Z (km) -5160.388 -5162.56
    Velocity X (km/s) 0.343 -5.807
    Velocity Y (km/s) -7.327 -2.445
    Velocity Z (km/s) -2.066 4.284

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4689 STARLINK-33977
    Semimajor Axis (a) 6848.879 km 6852.714 km
    Eccentricity (e) 0.000130 0.000316
    Inclination (i) 53.1600° 70.0008°
    RAAN 293.5782° 194.7173°
    Perigee Argument 88.4903° 270.7022°
    Mean Anomaly (M) 271.6247° 89.3791°
    Apogee 471.634 km 476.746 km
    Perigee 469.850 km 472.408 km
    Orbit Epoch 2026-10-15T22:39:51+0000 2026-10-15T11:21:44+0000

    STARLINK-4689 & STARLINK-33977 Collision Probability (Pc) Trend

    STARLINK-4689 & STARLINK-33977 Collision Probability (Pc) TrendNot Available

    STARLINK-4689 & STARLINK-33977 Miss Distance (Miss Distance) Trend

    STARLINK-4689 & STARLINK-33977 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4689Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33977Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4689Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33977Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4689

    No nearby objects data