Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.778688E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T03:02:21+0800
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    1 Object 1

    AOE ID 53848
    NORAD ID 53848
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59919
    NORAD ID 59919
    Object Type UNKNOWN
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-4780 OBJECT C
    Time of Closest Approach 2026-10-30T08:00:14+0000
    Collision Probability (Pc) 8.778688E-7
    Conjunction Distance (km) 2.747 km
    Relative Speed (km/s) 5.738 km/s
    Conjunction Risk Parameters R (Radial): 2.481 | I (In-track): -1.097 | C (Cross-track): -0.432
    Collision Risk Index (CRI) 0.34
    X Position (km) -5216.43 -5214.759
    Position Y (km) 4543.535 4541.703
    Position Z (km) 104.911 103.729
    Velocity X (km/s) -3.064 0.547
    Velocity Y (km/s) -3.367 0.85
    Velocity Z (km/s) -6.078 -7.524

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4780 OBJECT C
    Semimajor Axis (a) 6917.890 km 6910.259 km
    Eccentricity (e) 0.000115 0.003321
    Inclination (i) 53.1608° 97.5759°
    RAAN 334.0391° 315.8477°
    Perigee Argument 88.7250° 92.0356°
    Mean Anomaly (M) 271.3873° 268.4678°
    Apogee 540.552 km 555.074 km
    Perigee 538.954 km 509.170 km
    Orbit Epoch 2026-10-27T02:54:25+0000 2026-10-27T07:42:47+0000

    STARLINK-4780 & OBJECT C Collision Probability (Pc) Trend

    STARLINK-4780 & OBJECT C Collision Probability (Pc) TrendNot Available

    STARLINK-4780 & OBJECT C Miss Distance (Miss Distance) Trend

    STARLINK-4780 & OBJECT C Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4780Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT CMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4780Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT CCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4780

    No nearby objects data