Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.750559E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-31T18:08:26+0800
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    1 Object 1

    AOE ID 55436
    NORAD ID 55436
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    Name RROCI-2
    AOE ID 59106
    NORAD ID 59106
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5640 RROCI-2
    Time of Closest Approach 2026-11-02T03:25:38+0000
    Collision Probability (Pc) 1.750559E-6
    Conjunction Distance (km) 2.483 km
    Relative Speed (km/s) 14.424 km/s
    Conjunction Risk Parameters R (Radial): -2.473 | I (In-track): 0.065 | C (Cross-track): 0.202
    Collision Risk Index (CRI) 0.4
    X Position (km) 382.478 382.432
    Position Y (km) -2897.558 -2898.498
    Position Z (km) 6299.945 6302.242
    Velocity X (km/s) 5.581 -1.59
    Velocity Y (km/s) 4.772 -6.761
    Velocity Z (km/s) 1.853 -3.005

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5640 RROCI-2
    Semimajor Axis (a) 6950.240 km 6943.730 km
    Eccentricity (e) 0.000297 0.001459
    Inclination (i) 70.0012° 97.8627°
    RAAN 230.7760° 77.4676°
    Perigee Argument 273.2876° 311.8568°
    Mean Anomaly (M) 305.2513° 48.1409°
    Apogee 574.166 km 575.726 km
    Perigee 570.040 km 555.460 km
    Orbit Epoch 2026-10-31T04:00:03+0000 2026-10-30T10:54:02+0000

    STARLINK-5640 & RROCI-2 Collision Probability (Pc) Trend

    STARLINK-5640 & RROCI-2 Collision Probability (Pc) TrendNot Available

    STARLINK-5640 & RROCI-2 Miss Distance (Miss Distance) Trend

    STARLINK-5640 & RROCI-2 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5640Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    RROCI-2Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5640Collision Probability Trend

    Object 1 Probability TrendNot Available

    RROCI-2Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5640

    No nearby objects data