Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.884078E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T00:22:27+0800
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    1 Object 1

    AOE ID 54091
    NORAD ID 54091
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 65484
    NORAD ID 65484
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5221 STARLINK-35089
    Time of Closest Approach 2026-10-20T23:54:15+0000
    Collision Probability (Pc) 1.884078E-6
    Conjunction Distance (km) 2.152 km
    Relative Speed (km/s) 10.041 km/s
    Conjunction Risk Parameters R (Radial): -2.086 | I (In-track): 0.402 | C (Cross-track): 0.337
    Collision Risk Index (CRI) 0.41
    X Position (km) 1683.072 1684.082
    Position Y (km) 5167.388 5168.798
    Position Z (km) 4141.1 4142.372
    Velocity X (km/s) -6.421 -4.532
    Velocity Y (km/s) -1.115 4.682
    Velocity Z (km/s) 3.989 -3.988

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5221 STARLINK-35089
    Semimajor Axis (a) 6837.883 km 6840.818 km
    Eccentricity (e) 0.000109 0.000209
    Inclination (i) 53.1618° 53.1583°
    RAAN 40.5172° 291.4748°
    Perigee Argument 90.4492° 94.8496°
    Mean Anomaly (M) 269.6636° 265.2745°
    Apogee 460.493 km 464.112 km
    Perigee 458.999 km 461.250 km
    Orbit Epoch 2026-10-20T06:30:22+0000 2026-10-19T23:53:21+0000

    STARLINK-5221 & STARLINK-35089 Collision Probability (Pc) Trend

    STARLINK-5221 & STARLINK-35089 Collision Probability (Pc) TrendNot Available

    STARLINK-5221 & STARLINK-35089 Miss Distance (Miss Distance) Trend

    STARLINK-5221 & STARLINK-35089 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5221Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35089Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5221Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35089Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5221

    No nearby objects data