Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.749276E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T06:07:24+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 48597
    NORAD ID 48597
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    Name NESS
    AOE ID 58020
    NORAD ID 58020
    Object Type PAYLOAD
    Country
    FR FR

    Conjunction Constraints

    Parameter STARLINK-2255 NESS
    Time of Closest Approach 2026-09-04T06:15:48+0000
    Collision Probability (Pc) 9.749276E-7
    Conjunction Distance (km) 2.994 km
    Relative Speed (km/s) 8.407 km/s
    Conjunction Risk Parameters R (Radial): 2.973 | I (In-track): -0.294 | C (Cross-track): 0.197
    Collision Risk Index (CRI) 0.35
    X Position (km) 4702.496 4700.714
    Position Y (km) -1502.586 -1501.871
    Position Z (km) -4754.648 -4752.351
    Velocity X (km/s) 4.72 4.526
    Velocity Y (km/s) 5.154 -2.913
    Velocity Z (km/s) 3.041 5.399

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2255 NESS
    Semimajor Axis (a) 6848.854 km 6846.776 km
    Eccentricity (e) 0.000104 0.000413
    Inclination (i) 53.1606° 97.5874°
    RAAN 40.3034° 333.1075°
    Perigee Argument 96.2336° 287.5768°
    Mean Anomaly (M) 263.8784° 72.5021°
    Apogee 471.428 km 471.468 km
    Perigee 470.006 km 465.810 km
    Orbit Epoch 2026-09-01T17:27:05+0000 2026-09-02T12:08:37+0000

    STARLINK-2255 & NESS Collision Probability (Pc) Trend

    STARLINK-2255 & NESS Collision Probability (Pc) TrendNot Available

    STARLINK-2255 & NESS Miss Distance (Miss Distance) Trend

    STARLINK-2255 & NESS Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2255Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    NESSMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2255Collision Probability Trend

    Object 1 Probability TrendNot Available

    NESSCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2255

    No nearby objects data