🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.48 AU - 0.56 AU

Year: 170 Days

Day: 23.7 Hours

Environment

Temp: 19 °C

Axial Tilt: 2.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.69 AU - 1.09 AU

Year: 380 Days

Day: 28.2 Hours

Environment

Temp: -67 °C

Axial Tilt: 12.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.61 AU - 2.61 AU

Year: 1389 Days

Day: 24.7 Hours

Environment

Temp: -130 °C

Axial Tilt: 35.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.3

Radius: 10.4

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.77 AU - 2.93 AU

Year: 2180 Days

Day: 11.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,348,513 km

• M1: 129,851 km (0.079 R)
• M2: 536,159 km (0.103 R)
• M3: 1,127,818 km (0.112 R)
• M4: 1,558,660 km (0.057 R)
• M5: 2,642,347 km (0.084 R)
• M6: 4,013,561 km (0.081 R)
• M7: 4,438,868 km (0.119 R)
• M8: 5,380,287 km (0.094 R)
• M9: 5,898,644 km (0.079 R)
• M10: 6,568,992 km (0.119 R)
• M11: 8,453,476 km (0.115 R)
• M12: 10,409,768 km (0.071 R)
• M13: 10,774,188 km (0.083 R)
• M14: 11,458,449 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.7

Radius: 12.7

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.96 AU - 3.84 AU

Year: 2840 Days

Day: 9 Hours

Environment

Temp: -166 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,348,513 km

• M1: 158,424 km (0.069 R)
• M2: 613,202 km (0.07 R)
• M3: 1,234,182 km (0.085 R)
• M4: 2,058,317 km (0.076 R)
• M5: 2,982,682 km (0.098 R)
• M6: 3,606,356 km (0.118 R)
• M7: 4,124,862 km (0.097 R)
• M8: 4,624,669 km (0.032 R)
• M9: 5,164,866 km (0.103 R)
• M10: 5,932,603 km (0.102 R)
• M11: 7,727,777 km (0.05 R)
• M12: 8,837,943 km (0.107 R)
• M13: 9,303,492 km (0.111 R)
• M14: 10,519,722 km (0.063 R)
• M15: 11,968,428 km (0.102 R)
• M16: 14,905,034 km (0.1 R)
• M17: 17,221,258 km (0.079 R)
• M18: 18,177,338 km (0.047 R)
• M19: 20,011,558 km (0.089 R)
• M20: 21,513,969 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 956.9

Radius: 5.8

Gravity: 28.45 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 9.62 AU - 13.62 AU

Year: 17945 Days

Day: 16.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 70,348,513 km

• M1: 72,854 km (0.091 R)
• M2: 303,235 km (0.102 R)
• M3: 548,725 km (0.047 R)
• M4: 879,935 km (0.072 R)
• M5: 1,322,296 km (0.028 R)
• M6: 1,902,137 km (0.057 R)
• M7: 2,760,978 km (0.115 R)
• M8: 3,206,780 km (0.065 R)
• M9: 4,761,551 km (0.071 R)
• M10: 6,445,574 km (0.116 R)
• M11: 8,384,961 km (0.087 R)
• M12: 9,777,118 km (0.025 R)
• M13: 11,774,998 km (0.079 R)
• M14: 12,042,479 km (0.11 R)
• M15: 13,010,676 km (0.106 R)
• M16: 14,104,536 km (0.116 R)
• M17: 15,737,098 km (0.079 R)
• M18: 16,473,867 km (0.078 R)
• M19: 17,062,535 km (0.077 R)
• M20: 22,491,292 km (0.106 R)
• M21: 22,696,690 km (0.066 R)
• M22: 23,111,225 km (0.089 R)
• M23: 27,420,841 km (0.065 R)
• M24: 29,333,749 km (0.035 R)
• M25: 36,162,892 km (0.102 R)
• M26: 37,299,536 km (0.094 R)
• M27: 43,659,989 km (0.107 R)
• M28: 44,140,198 km (0.062 R)
• M29: 51,414,843 km (0.073 R)
• M30: 53,214,057 km (0.114 R)
• M31: 54,129,147 km (0.096 R)
• M32: 56,179,386 km (0.078 R)
• M33: 57,894,974 km (0.083 R)
• M34: 63,046,527 km (0.095 R)
• M35: 68,710,900 km (0.096 R)
• M36: 71,333,800 km (0.096 R)
• M37: 76,314,362 km (0.101 R)
• M38: 77,010,889 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 261

Radius: 6

Gravity: 7.25 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 12.62 AU - 19.24 AU

Year: 28804 Days

Day: 19.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 70,348,513 km

• M1: 74,649 km (0.092 R)
• M2: 271,670 km (0.097 R)
• M3: 470,934 km (0.075 R)
• M4: 662,419 km (0.119 R)
• M5: 875,148 km (0.108 R)
• M6: 1,146,518 km (0.08 R)
• M7: 1,788,592 km (0.12 R)
• M8: 2,292,139 km (0.111 R)
• M9: 3,750,867 km (0.091 R)
• M10: 6,184,077 km (0.099 R)
• M11: 6,737,888 km (0.111 R)
• M12: 7,417,362 km (0.114 R)
• M13: 8,753,869 km (0.103 R)
• M14: 10,360,101 km (0.117 R)
• M15: 12,023,330 km (0.058 R)
• M16: 12,349,903 km (0.077 R)
• M17: 14,215,837 km (0.064 R)
• M18: 14,580,856 km (0.091 R)
• M19: 14,877,508 km (0.102 R)
• M20: 19,195,950 km (0.081 R)
• M21: 21,210,435 km (0.111 R)
• M22: 34,722,414 km (0.079 R)
• M23: 45,242,136 km (0.041 R)
• M24: 52,856,668 km (0.101 R)
• M25: 61,282,020 km (0.103 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 302 - 17,839 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit