Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.85163E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T22:40:35+0800
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    1 Object 1

    AOE ID 5977
    NORAD ID 5977
    Object Type ROCKET BODY
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 62833
    NORAD ID 62833
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter DELTA 1 R/B(2) STARLINK-11554
    Time of Closest Approach 2026-10-20T23:55:20+0000
    Collision Probability (Pc) 1.85163E-6
    Conjunction Distance (km) 1.818 km
    Relative Speed (km/s) 4.953 km/s
    Conjunction Risk Parameters R (Radial): 0.586 | I (In-track): -1.359 | C (Cross-track): -1.054
    Collision Risk Index (CRI) 0.4
    X Position (km) 5776.217 5775.968
    Position Y (km) -956.025 -957.328
    Position Z (km) -3328.633 -3329.875
    Velocity X (km/s) 1.526 3.085
    Velocity Y (km/s) 9.446 6.05
    Velocity Z (km/s) 0.365 3.615

    Orbital Parameters 国际轨道数据源

    Parameter DELTA 1 R/B(2) STARLINK-11554
    Semimajor Axis (a) 14948.444 km 6734.502 km
    Eccentricity (e) 0.549911 0.000182
    Inclination (i) 29.6792° 42.9999°
    RAAN 77.9449° 32.3731°
    Perigee Argument 275.1698° 275.8330°
    Mean Anomaly (M) 27.5111° 84.2330°
    Apogee 16790.623 km 357.593 km
    Perigee 349.991 km 355.137 km
    Orbit Epoch 2026-10-19T23:03:27+0000 2026-10-20T07:20:08+0000

    DELTA 1 R/B(2) & STARLINK-11554 Collision Probability (Pc) Trend

    DELTA 1 R/B(2) & STARLINK-11554 Collision Probability (Pc) TrendNot Available

    DELTA 1 R/B(2) & STARLINK-11554 Miss Distance (Miss Distance) Trend

    DELTA 1 R/B(2) & STARLINK-11554 Miss Distance (Miss Distance) TrendNot Available

    DELTA 1 R/B(2)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-11554Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DELTA 1 R/B(2)Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-11554Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DELTA 1 R/B(2)

    No nearby objects data