🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.56 AU - 0.92 AU

Year: 242 Days

Day: 12.3 Hours

Environment

Temp: 163 °C

Axial Tilt: 18.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.95 AU - 1.23 AU

Year: 433 Days

Day: 42.8 Hours

Environment

Temp: 14 °C

Axial Tilt: 6.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.11 AU - 1.55 AU

Year: 584 Days

Day: 38 Hours

Environment

Temp: -39 °C

Axial Tilt: 37.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,729,665 km

• M1: 171,439 km (0.106 R)

Asteroid Belt

Center: 1.76 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.87 AU - 2.49 AU

Year: 1226 Days

Day: 25.6 Hours

Environment

Temp: -83 °C

Axial Tilt: 11.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,729,665 km

• M1: 612,454 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.5

Radius: 12.4

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 4.87 AU - 6.11 AU

Year: 4898 Days

Day: 6.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,729,665 km

• M1: 154,235 km (0.109 R)
• M2: 613,351 km (0.077 R)
• M3: 1,030,281 km (0.047 R)
• M4: 1,450,800 km (0.116 R)
• M5: 2,100,504 km (0.096 R)
• M6: 3,808,163 km (0.098 R)
• M7: 4,443,206 km (0.074 R)
• M8: 5,821,152 km (0.108 R)
• M9: 6,302,109 km (0.118 R)
• M10: 10,801,415 km (0.086 R)
• M11: 11,283,569 km (0.089 R)
• M12: 12,161,708 km (0.092 R)
• M13: 12,595,692 km (0.096 R)
• M14: 13,220,712 km (0.075 R)
• M15: 13,633,303 km (0.112 R)
• M16: 14,629,475 km (0.111 R)
• M17: 15,622,954 km (0.119 R)
• M18: 16,927,298 km (0.11 R)
• M19: 17,359,636 km (0.053 R)
• M20: 20,231,317 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 784.2

Radius: 7.1

Gravity: 15.56 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 9.93 AU - 15.31 AU

Year: 17072 Days

Day: 24.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 99.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 55,729,665 km

• M1: 91,404 km (0.104 R)
• M2: 334,650 km (0.09 R)
• M3: 686,804 km (0.06 R)
• M4: 1,709,754 km (0.082 R)
• M5: 2,324,302 km (0.113 R)
• M6: 2,612,727 km (0.103 R)
• M7: 2,875,271 km (0.094 R)
• M8: 3,624,457 km (0.118 R)
• M9: 3,921,409 km (0.088 R)
• M10: 4,331,756 km (0.069 R)
• M11: 5,201,368 km (0.064 R)
• M12: 5,541,255 km (0.118 R)
• M13: 7,142,700 km (0.111 R)
• M14: 8,556,250 km (0.109 R)
• M15: 9,030,475 km (0.109 R)
• M16: 10,147,074 km (0.092 R)
• M17: 10,738,584 km (0.098 R)
• M18: 11,290,450 km (0.12 R)
• M19: 13,546,835 km (0.069 R)
• M20: 15,540,376 km (0.117 R)
• M21: 16,728,483 km (0.116 R)
• M22: 18,405,325 km (0.074 R)
• M23: 23,691,366 km (0.118 R)
• M24: 28,146,989 km (0.092 R)
• M25: 28,959,605 km (0.064 R)
• M26: 29,312,656 km (0.085 R)
• M27: 29,549,619 km (0.094 R)
• M28: 35,627,630 km (0.106 R)
• M29: 36,578,325 km (0.053 R)
• M30: 40,403,991 km (0.112 R)
• M31: 41,288,863 km (0.073 R)
• M32: 45,908,295 km (0.119 R)
• M33: 48,177,246 km (0.067 R)
• M34: 50,180,811 km (0.107 R)
• M35: 51,031,723 km (0.091 R)
• M36: 59,127,661 km (0.111 R)
• M37: 69,501,076 km (0.045 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 679.3

Radius: 6.9

Gravity: 14.27 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 13.28 AU - 14.48 AU

Year: 19692 Days

Day: 19.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 55,729,665 km

• M1: 85,869 km (0.045 R)
• M2: 300,542 km (0.062 R)
• M3: 650,601 km (0.106 R)
• M4: 1,513,482 km (0.108 R)
• M5: 1,804,001 km (0.068 R)
• M6: 2,214,048 km (0.098 R)
• M7: 3,274,398 km (0.1 R)
• M8: 4,234,218 km (0.051 R)
• M9: 5,180,275 km (0.038 R)
• M10: 11,252,901 km (0.116 R)
• M11: 11,636,470 km (0.092 R)
• M12: 14,050,232 km (0.086 R)
• M13: 14,872,871 km (0.088 R)
• M14: 15,412,919 km (0.11 R)
• M15: 15,727,374 km (0.116 R)
• M16: 17,195,378 km (0.097 R)
• M17: 20,120,016 km (0.106 R)
• M18: 22,045,041 km (0.074 R)
• M19: 23,671,021 km (0.117 R)
• M20: 24,620,070 km (0.099 R)
• M21: 25,703,906 km (0.071 R)
• M22: 30,976,932 km (0.115 R)
• M23: 31,477,786 km (0.065 R)
• M24: 31,730,307 km (0.111 R)
• M25: 32,883,258 km (0.086 R)
• M26: 35,818,667 km (0.075 R)
• M27: 39,215,137 km (0.092 R)
• M28: 40,841,116 km (0.106 R)
• M29: 43,911,912 km (0.111 R)
• M30: 45,988,480 km (0.102 R)
• M31: 47,795,772 km (0.118 R)
• M32: 48,464,624 km (0.107 R)
• M33: 50,681,515 km (0.119 R)
• M34: 51,202,414 km (0.097 R)
• M35: 56,610,527 km (0.09 R)
• M36: 58,114,434 km (0.057 R)
• M37: 68,122,083 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 225.8

Radius: 5.8

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 13.29 AU - 16.45 AU

Year: 21835 Days

Day: 18.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 55,729,665 km

• M1: 72,705 km (0.033 R)
• M2: 313,108 km (0.09 R)
• M3: 497,712 km (0.106 R)
• M4: 689,347 km (0.083 R)
• M5: 1,073,066 km (0.028 R)
• M6: 2,127,282 km (0.092 R)
• M7: 2,437,996 km (0.107 R)
• M8: 2,800,921 km (0.073 R)
• M9: 4,528,178 km (0.092 R)
• M10: 5,314,913 km (0.039 R)
• M11: 5,740,669 km (0.09 R)
• M12: 5,962,074 km (0.118 R)
• M13: 6,904,839 km (0.093 R)
• M14: 8,547,274 km (0.043 R)
• M15: 9,281,800 km (0.116 R)
• M16: 9,638,591 km (0.037 R)
• M17: 12,214,816 km (0.117 R)
• M18: 14,526,103 km (0.093 R)
• M19: 15,007,060 km (0.064 R)
• M20: 15,498,639 km (0.041 R)
• M21: 16,811,809 km (0.086 R)
• M22: 18,999,528 km (0.082 R)
• M23: 19,491,855 km (0.115 R)
• M24: 21,813,015 km (0.11 R)
• M25: 26,995,684 km (0.093 R)
• M26: 29,432,334 km (0.075 R)
• M27: 29,760,552 km (0.109 R)
• M28: 31,211,202 km (0.096 R)
• M29: 32,358,767 km (0.108 R)
• M30: 33,296,746 km (0.065 R)
• M31: 35,227,007 km (0.108 R)
• M32: 36,722,837 km (0.087 R)
• M33: 36,976,106 km (0.079 R)
• M34: 40,376,615 km (0.058 R)
• M35: 40,781,876 km (0.115 R)
• M36: 41,600,625 km (0.106 R)
• M37: 42,569,570 km (0.067 R)
• M38: 47,041,948 km (0.106 R)
• M39: 49,622,810 km (0.115 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 332 - 17,175 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit