Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.731781E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T03:29:03+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 55480
    NORAD ID 55480
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 57645
    NORAD ID 57645
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5690 STARLINK-30277
    Time of Closest Approach 2026-10-28T02:26:11+0000
    Collision Probability (Pc) 1.731781E-6
    Conjunction Distance (km) 1.623 km
    Relative Speed (km/s) 2.617 km/s
    Conjunction Risk Parameters R (Radial): -1.583 | I (In-track): 0.35 | C (Cross-track): 0.057
    Collision Risk Index (CRI) 0.4
    X Position (km) 5091.65 5090.457
    Position Y (km) 213.413 213.717
    Position Z (km) -4597.061 -4596.004
    Velocity X (km/s) -1.191 0.558
    Velocity Y (km/s) 7.462 7.538
    Velocity Z (km/s) -0.974 0.97

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5690 STARLINK-30277
    Semimajor Axis (a) 6861.237 km 6861.431 km
    Eccentricity (e) 0.000206 0.000480
    Inclination (i) 43.0097° 43.0027°
    RAAN 112.0693° 85.9020°
    Perigee Argument 238.6693° 280.4926°
    Mean Anomaly (M) 121.3957° 79.5384°
    Apogee 484.515 km 486.588 km
    Perigee 481.685 km 480.000 km
    Orbit Epoch 2026-10-27T04:54:22+0000 2026-10-26T16:15:21+0000

    STARLINK-5690 & STARLINK-30277 Collision Probability (Pc) Trend

    STARLINK-5690 & STARLINK-30277 Collision Probability (Pc) TrendNot Available

    STARLINK-5690 & STARLINK-30277 Miss Distance (Miss Distance) Trend

    STARLINK-5690 & STARLINK-30277 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5690Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30277Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5690Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30277Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5690

    No nearby objects data