Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.887446E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-15T03:31:51+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    Name UNISAT
    AOE ID 26547
    NORAD ID 26547
    Object Type PAYLOAD
    Country
    IT IT
    ← VS →

    2 Object 2

    AOE ID 53683
    NORAD ID 53683
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter UNISAT STARLINK-4625
    Time of Closest Approach 2026-10-15T04:00:15+0000
    Collision Probability (Pc) 1.887446E-6
    Conjunction Distance (km) 2.138 km
    Relative Speed (km/s) 9.831 km/s
    Conjunction Risk Parameters R (Radial): -0.566 | I (In-track): 1.571 | C (Cross-track): -1.333
    Collision Risk Index (CRI) 0.41
    X Position (km) 2742.761 2741.62
    Position Y (km) -1778.237 -1776.473
    Position Z (km) -6062.271 -6062.661
    Velocity X (km/s) 1.369 -6.513
    Velocity Y (km/s) 7.337 1.8
    Velocity Z (km/s) -1.515 -3.475

    Orbital Parameters 国际轨道数据源

    Parameter UNISAT STARLINK-4625
    Semimajor Axis (a) 6911.999 km 6878.318 km
    Eccentricity (e) 0.004906 0.000193
    Inclination (i) 64.5427° 97.2827°
    RAAN 88.1205° 159.8997°
    Perigee Argument 282.5836° 96.9067°
    Mean Anomaly (M) 76.9799° 165.9734°
    Apogee 567.770 km 501.508 km
    Perigee 499.954 km 498.854 km
    Orbit Epoch 2026-10-14T04:37:30+0000 2026-10-14T06:00:04+0000

    UNISAT & STARLINK-4625 Collision Probability (Pc) Trend

    UNISAT & STARLINK-4625 Collision Probability (Pc) TrendNot Available

    UNISAT & STARLINK-4625 Miss Distance (Miss Distance) Trend

    UNISAT & STARLINK-4625 Miss Distance (Miss Distance) TrendNot Available

    UNISATMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4625Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    UNISATCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4625Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with UNISAT

    No nearby objects data