Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.363143E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T00:09:29+0800
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    1 Object 1

    AOE ID 55770
    NORAD ID 55770
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 63259
    NORAD ID 63259
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5557 LEMUR 2 DELOITTE-1
    Time of Closest Approach 2026-10-21T13:46:13+0000
    Collision Probability (Pc) 1.363143E-6
    Conjunction Distance (km) 2.977 km
    Relative Speed (km/s) 15.015 km/s
    Conjunction Risk Parameters R (Radial): -2.128 | I (In-track): -0.286 | C (Cross-track): -2.06
    Collision Risk Index (CRI) 0.38
    X Position (km) -5644.213 -5642.831
    Position Y (km) 19.983 21.968
    Position Z (km) 4052.721 4050.986
    Velocity X (km/s) -4.024 4.372
    Velocity Y (km/s) -3.175 1.228
    Velocity Z (km/s) -5.577 6.065

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5557 LEMUR 2 DELOITTE-1
    Semimajor Axis (a) 6950.192 km 6950.179 km
    Eccentricity (e) 0.000318 0.000222
    Inclination (i) 70.0005° 97.6727°
    RAAN 19.0609° 183.9452°
    Perigee Argument 271.9201° 69.1378°
    Mean Anomaly (M) 88.1594° 291.0081°
    Apogee 574.263 km 573.583 km
    Perigee 569.847 km 570.501 km
    Orbit Epoch 2026-10-19T22:41:13+0000 2026-10-20T03:57:07+0000

    STARLINK-5557 & LEMUR 2 DELOITTE-1 Collision Probability (Pc) Trend

    STARLINK-5557 & LEMUR 2 DELOITTE-1 Collision Probability (Pc) TrendNot Available

    STARLINK-5557 & LEMUR 2 DELOITTE-1 Miss Distance (Miss Distance) Trend

    STARLINK-5557 & LEMUR 2 DELOITTE-1 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5557Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    LEMUR 2 DELOITTE-1Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5557Collision Probability Trend

    Object 1 Probability TrendNot Available

    LEMUR 2 DELOITTE-1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5557

    No nearby objects data