Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.674424E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-29T14:00:55+0800
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    1 Object 1

    AOE ID 45754
    NORAD ID 45754
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58637
    NORAD ID 58637
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-1477 STARLINK-31077
    Time of Closest Approach 2026-10-29T11:51:28+0000
    Collision Probability (Pc) 8.674424E-7
    Conjunction Distance (km) 2.337 km
    Relative Speed (km/s) 3.511 km/s
    Conjunction Risk Parameters R (Radial): -1.911 | I (In-track): -1.308 | C (Cross-track): 0.304
    Collision Risk Index (CRI) 0.34
    X Position (km) -570.607 -571.719
    Position Y (km) -5048.944 -5047.743
    Position Z (km) 4606.969 4605.302
    Velocity X (km/s) 6.49 7.573
    Velocity Y (km/s) 2.279 -0.043
    Velocity Z (km/s) 3.292 0.893

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-1477 STARLINK-31077
    Semimajor Axis (a) 6866.030 km 6861.105 km
    Eccentricity (e) 0.000218 0.000436
    Inclination (i) 53.0203° 43.0013°
    RAAN 224.2889° 192.9262°
    Perigee Argument 63.4491° 287.8364°
    Mean Anomaly (M) 125.9328° 72.2013°
    Apogee 489.391 km 485.957 km
    Perigee 486.395 km 479.979 km
    Orbit Epoch 2026-10-28T16:00:02+0000 2026-10-28T10:24:04+0000

    STARLINK-1477 & STARLINK-31077 Collision Probability (Pc) Trend

    STARLINK-1477 & STARLINK-31077 Collision Probability (Pc) TrendNot Available

    STARLINK-1477 & STARLINK-31077 Miss Distance (Miss Distance) Trend

    STARLINK-1477 & STARLINK-31077 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-1477Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31077Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-1477Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31077Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-1477

    No nearby objects data