Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.67573E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-25T11:39:11+0800
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    1 Object 1

    AOE ID 53933
    NORAD ID 53933
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    Name SJ-30C
    AOE ID 66547
    NORAD ID 66547
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-4782 SJ-30C
    Time of Closest Approach 2026-10-25T09:30:02+0000
    Collision Probability (Pc) 9.67573E-7
    Conjunction Distance (km) 2.647 km
    Relative Speed (km/s) 6.223 km/s
    Conjunction Risk Parameters R (Radial): 2.156 | I (In-track): -1.403 | C (Cross-track): -0.626
    Collision Risk Index (CRI) 0.35
    X Position (km) -3075.405 -3077.538
    Position Y (km) -3432.245 -3432.323
    Position Z (km) -5132.045 -5133.611
    Velocity X (km/s) 6.74 3.814
    Velocity Y (km/s) -2.697 -6.284
    Velocity Z (km/s) -2.237 1.921

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4782 SJ-30C
    Semimajor Axis (a) 6891.901 km 6898.034 km
    Eccentricity (e) 0.000183 0.000651
    Inclination (i) 53.1595° 51.7976°
    RAAN 356.7551° 293.0472°
    Perigee Argument 90.0075° 336.8633°
    Mean Anomaly (M) 15.5475° 23.2049°
    Apogee 515.027 km 524.389 km
    Perigee 512.501 km 515.405 km
    Orbit Epoch 2026-10-24T06:00:02+0000 2026-10-24T14:49:14+0000

    STARLINK-4782 & SJ-30C Collision Probability (Pc) Trend

    STARLINK-4782 & SJ-30C Collision Probability (Pc) TrendNot Available

    STARLINK-4782 & SJ-30C Miss Distance (Miss Distance) Trend

    STARLINK-4782 & SJ-30C Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4782Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SJ-30CMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4782Collision Probability Trend

    Object 1 Probability TrendNot Available

    SJ-30CCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4782

    No nearby objects data