Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.31587E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T07:03:51+0800
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    1 Object 1

    AOE ID 55950
    NORAD ID 55950
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 64586
    NORAD ID 64586
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5911 LEMUR 2 SEJONG-2
    Time of Closest Approach 2026-10-21T23:43:20+0000
    Collision Probability (Pc) 7.31587E-7
    Conjunction Distance (km) 2.639 km
    Relative Speed (km/s) 3.683 km/s
    Conjunction Risk Parameters R (Radial): 2.638 | I (In-track): -0.075 | C (Cross-track): 0.021
    Collision Risk Index (CRI) 0.32
    X Position (km) -4357.794 -4359.445
    Position Y (km) -5300.366 -5302.363
    Position Z (km) 1114.037 1114.537
    Velocity X (km/s) 1.299 -1.57
    Velocity Y (km/s) -2.551 -0.275
    Velocity Z (km/s) -7.013 -7.403

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5911 LEMUR 2 SEJONG-2
    Semimajor Axis (a) 6950.195 km 6952.478 km
    Eccentricity (e) 0.000271 0.000275
    Inclination (i) 69.9994° 97.7809°
    RAAN 58.2499° 47.8729°
    Perigee Argument 272.1083° 267.6791°
    Mean Anomaly (M) 87.9766° 92.4117°
    Apogee 573.943 km 576.250 km
    Perigee 570.173 km 572.432 km
    Orbit Epoch 2026-10-20T06:54:34+0000 2026-10-20T13:17:17+0000

    STARLINK-5911 & LEMUR 2 SEJONG-2 Collision Probability (Pc) Trend

    STARLINK-5911 & LEMUR 2 SEJONG-2 Collision Probability (Pc) TrendNot Available

    STARLINK-5911 & LEMUR 2 SEJONG-2 Miss Distance (Miss Distance) Trend

    STARLINK-5911 & LEMUR 2 SEJONG-2 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5911Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    LEMUR 2 SEJONG-2Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5911Collision Probability Trend

    Object 1 Probability TrendNot Available

    LEMUR 2 SEJONG-2Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5911

    No nearby objects data