Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    5.307077E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T14:15:03+0800
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    1 Object 1

    AOE ID 3462
    NORAD ID 3462
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 53531
    NORAD ID 53531
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TITAN 3C TRANSTAGE DEB STARLINK-4487
    Time of Closest Approach 2026-09-14T02:13:23+0000
    Collision Probability (Pc) 5.307077E-6
    Conjunction Distance (km) 1.489 km
    Relative Speed (km/s) 10.12 km/s
    Conjunction Risk Parameters R (Radial): 1.008 | I (In-track): -0.819 | C (Cross-track): 0.729
    Collision Risk Index (CRI) 0.49
    X Position (km) -2293.985 -2293.298
    Position Y (km) 6337.015 6338.278
    Position Z (km) 1210.076 1210.461
    Velocity X (km/s) -5.949 -4.737
    Velocity Y (km/s) -2.88 -0.567
    Velocity Z (km/s) 3.819 -5.958

    Orbital Parameters 国际轨道数据源

    Parameter TITAN 3C TRANSTAGE DEB STARLINK-4487
    Semimajor Axis (a) 6847.732 km 6848.871 km
    Eccentricity (e) 0.001012 0.000107
    Inclination (i) 32.0296° 53.1598°
    RAAN 109.1448° 309.9243°
    Perigee Argument 244.7154° 76.9800°
    Mean Anomaly (M) 115.2460° 283.1320°
    Apogee 476.527 km 471.465 km
    Perigee 462.663 km 470.003 km
    Orbit Epoch 2026-09-11T16:17:05+0000 2026-09-11T10:51:23+0000

    TITAN 3C TRANSTAGE DEB & STARLINK-4487 Collision Probability (Pc) Trend

    TITAN 3C TRANSTAGE DEB & STARLINK-4487 Collision Probability (Pc) TrendNot Available

    TITAN 3C TRANSTAGE DEB & STARLINK-4487 Miss Distance (Miss Distance) Trend

    TITAN 3C TRANSTAGE DEB & STARLINK-4487 Miss Distance (Miss Distance) TrendNot Available

    TITAN 3C TRANSTAGE DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4487Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TITAN 3C TRANSTAGE DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4487Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TITAN 3C TRANSTAGE DEB

    No nearby objects data