Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.173288E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T15:01:01+0800
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    1 Object 1

    Name PROBA 1
    AOE ID 26958
    NORAD ID 26958
    Object Type PAYLOAD
    Country
    ESA ESA
    ← VS →

    2 Object 2

    Name LUNA-2
    AOE ID 68470
    NORAD ID 68470
    Object Type PAYLOAD
    Country
    TR TR

    Conjunction Constraints

    Parameter PROBA 1 LUNA-2
    Time of Closest Approach 2026-10-19T22:09:28+0000
    Collision Probability (Pc) 1.173288E-6
    Conjunction Distance (km) 2.466 km
    Relative Speed (km/s) 7.149 km/s
    Conjunction Risk Parameters R (Radial): 1.356 | I (In-track): -1.82 | C (Cross-track): -0.962
    Collision Risk Index (CRI) 0.36
    X Position (km) -1027.998 -1028.066
    Position Y (km) -202.437 -200.356
    Position Z (km) 6800.273 6798.952
    Velocity X (km/s) -4.408 2.601
    Velocity Y (km/s) 6.207 7.126
    Velocity Z (km/s) -0.458 0.607

    Orbital Parameters 国际轨道数据源

    Parameter PROBA 1 LUNA-2
    Semimajor Axis (a) 6920.732 km 6888.021 km
    Eccentricity (e) 0.005580 0.000734
    Inclination (i) 97.9615° 97.4638°
    RAAN 304.8827° 247.7727°
    Perigee Argument 64.7008° 16.9177°
    Mean Anomaly (M) 295.9985° 343.2301°
    Apogee 581.212 km 514.941 km
    Perigee 503.978 km 504.827 km
    Orbit Epoch 2026-10-18T23:27:07+0000 2026-10-18T07:49:54+0000

    PROBA 1 & LUNA-2 Collision Probability (Pc) Trend

    PROBA 1 & LUNA-2 Collision Probability (Pc) TrendNot Available

    PROBA 1 & LUNA-2 Miss Distance (Miss Distance) Trend

    PROBA 1 & LUNA-2 Miss Distance (Miss Distance) TrendNot Available

    PROBA 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    LUNA-2Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    PROBA 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    LUNA-2Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with PROBA 1

    No nearby objects data