Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    7.284422E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T03:53:31+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 54850
    NORAD ID 54850
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 56695
    NORAD ID 56695
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5087 STARLINK-30121
    Time of Closest Approach 2026-10-28T15:04:40+0000
    Collision Probability (Pc) 7.284422E-6
    Conjunction Distance (km) 1.357 km
    Relative Speed (km/s) 10.248 km/s
    Conjunction Risk Parameters R (Radial): 1.191 | I (In-track): 0.481 | C (Cross-track): -0.439
    Collision Risk Index (CRI) 0.52
    X Position (km) 3803.782 3803.66
    Position Y (km) 5602.743 5601.405
    Position Z (km) 1096.339 1096.151
    Velocity X (km/s) -4.211 -5.133
    Velocity Y (km/s) 3.853 2.501
    Velocity Z (km/s) -5.057 5.058

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5087 STARLINK-30121
    Semimajor Axis (a) 6860.730 km 6861.023 km
    Eccentricity (e) 0.000322 0.001403
    Inclination (i) 43.0005° 42.9840°
    RAAN 253.7615° 53.2156°
    Perigee Argument 275.6352° 279.0640°
    Mean Anomaly (M) 84.4132° 80.8624°
    Apogee 484.803 km 492.512 km
    Perigee 480.383 km 473.260 km
    Orbit Epoch 2026-10-27T05:24:07+0000 2026-10-27T07:38:04+0000

    STARLINK-5087 & STARLINK-30121 Collision Probability (Pc) Trend

    STARLINK-5087 & STARLINK-30121 Collision Probability (Pc) TrendNot Available

    STARLINK-5087 & STARLINK-30121 Miss Distance (Miss Distance) Trend

    STARLINK-5087 & STARLINK-30121 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5087Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30121Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5087Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30121Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5087

    No nearby objects data