Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    8.68155E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-22T18:18:03+0800
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    1 Object 1

    AOE ID 48648
    NORAD ID 48648
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 61901
    NORAD ID 61901
    Object Type UNKNOWN
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-2521 OBJECT H
    Time of Closest Approach 2026-10-22T16:53:27+0000
    Collision Probability (Pc) 8.68155E-6
    Conjunction Distance (km) 1.359 km
    Relative Speed (km/s) 13.289 km/s
    Conjunction Risk Parameters R (Radial): -0.136 | I (In-track): -0.666 | C (Cross-track): 1.176
    Collision Risk Index (CRI) 0.54
    X Position (km) -4002.108 -4001.795
    Position Y (km) -1701.055 -1699.816
    Position Z (km) 5281.245 5281.704
    Velocity X (km/s) 4.616 -5.919
    Velocity Y (km/s) -5.866 -0.834
    Velocity Z (km/s) 1.604 -4.742

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2521 OBJECT H
    Semimajor Axis (a) 6848.883 km 6840.370 km
    Eccentricity (e) 0.000147 0.000782
    Inclination (i) 53.1602° 97.4018°
    RAAN 141.4670° 13.1847°
    Perigee Argument 100.5184° 308.3313°
    Mean Anomaly (M) 259.5983° 51.7226°
    Apogee 471.754 km 467.583 km
    Perigee 469.738 km 456.883 km
    Orbit Epoch 2026-10-21T20:12:29+0000 2026-10-21T23:07:00+0000

    STARLINK-2521 & OBJECT H Collision Probability (Pc) Trend

    STARLINK-2521 & OBJECT H Collision Probability (Pc) TrendNot Available

    STARLINK-2521 & OBJECT H Miss Distance (Miss Distance) Trend

    STARLINK-2521 & OBJECT H Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2521Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT HMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2521Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT HCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2521

    No nearby objects data