Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.924545E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T12:35:14+0800
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    1 Object 1

    AOE ID 10490
    NORAD ID 10490
    Object Type ROCKET BODY
    Country
    US US
    VS

    2 Object 2

    AOE ID 63769
    NORAD ID 63769
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter DELTA 1 R/B(1) STARLINK-33907
    Time of Closest Approach 2026-09-04T12:56:45+0000
    Collision Probability (Pc) 9.924545E-7
    Conjunction Distance (km) 2.84 km
    Relative Speed (km/s) 7.745 km/s
    Conjunction Risk Parameters R (Radial): -0.821 | I (In-track): -2.294 | C (Cross-track): 1.458
    Collision Risk Index (CRI) 0.35
    X Position (km) 4821.506 4819.312
    Position Y (km) -4274.782 -4276.39
    Position Z (km) -2362.782 -2361.965
    Velocity X (km/s) 5.733 2.712
    Velocity Y (km/s) 5.003 5.531
    Velocity Z (km/s) 2.621 -4.49

    Orbital Parameters 国际轨道数据源

    Parameter DELTA 1 R/B(1) STARLINK-33907
    Semimajor Axis (a) 7752.475 km 6861.159 km
    Eccentricity (e) 0.114833 0.000111
    Inclination (i) 28.3058° 42.9995°
    RAAN 4.9210° 119.8986°
    Perigee Argument 306.9103° 229.4139°
    Mean Anomaly (M) 43.1492° 130.6615°
    Apogee 2264.578 km 483.787 km
    Perigee 484.098 km 482.257 km
    Orbit Epoch 2026-09-03T18:17:57+0000 2026-09-03T17:11:56+0000

    DELTA 1 R/B(1) & STARLINK-33907 Collision Probability (Pc) Trend

    DELTA 1 R/B(1) & STARLINK-33907 Collision Probability (Pc) TrendNot Available

    DELTA 1 R/B(1) & STARLINK-33907 Miss Distance (Miss Distance) Trend

    DELTA 1 R/B(1) & STARLINK-33907 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-33907Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DELTA 1 R/B(1)Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33907Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DELTA 1 R/B(1)

    No nearby objects data