🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.45 AU - 0.55 AU

Year: 130 Days

Day: 27.7 Hours

Environment

Temp: 260 °C

Axial Tilt: 28.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 84,872,267 km

• M1: 115,938 km (0.111 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.71 AU - 0.91 AU

Year: 268 Days

Day: 22.1 Hours

Environment

Temp: 135 °C

Axial Tilt: 42.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.5

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.92 AU - 1.5 AU

Year: 489 Days

Day: 23.4 Hours

Environment

Temp: 10 °C

Axial Tilt: 19.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.09 AU - 1.53 AU

Year: 550 Days

Day: 28.8 Hours

Environment

Temp: -2 °C

Axial Tilt: 34 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.84

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.17 AU - 1.71 AU

Year: 634 Days

Day: 43.9 Hours

Environment

Temp: -24 °C

Axial Tilt: 23.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.15 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.8

Radius: 9.9

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.88 AU - 5.82 AU

Year: 3921 Days

Day: 5.2 Hours

Environment

Temp: -132 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 84,872,267 km

• M1: 123,269 km (0.044 R)
• M2: 432,787 km (0.098 R)
• M3: 1,040,603 km (0.066 R)
• M4: 1,710,801 km (0.096 R)
• M5: 2,183,082 km (0.091 R)
• M6: 2,662,393 km (0.054 R)
• M7: 3,193,017 km (0.066 R)
• M8: 4,926,407 km (0.066 R)
• M9: 5,267,042 km (0.082 R)
• M10: 6,585,597 km (0.083 R)
• M11: 8,078,734 km (0.106 R)
• M12: 8,869,209 km (0.117 R)
• M13: 9,710,398 km (0.105 R)
• M14: 12,553,655 km (0.101 R)
• M15: 13,947,309 km (0.107 R)
• M16: 15,962,542 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.3

Radius: 8.5

Gravity: 10.84 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 8.55 AU - 12.57 AU

Year: 12597 Days

Day: 9.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 84,872,267 km

• M1: 105,766 km (0.058 R)
• M2: 440,416 km (0.093 R)
• M3: 892,501 km (0.044 R)
• M4: 1,179,430 km (0.041 R)
• M5: 2,319,365 km (0.027 R)
• M6: 3,675,171 km (0.103 R)
• M7: 6,439,440 km (0.057 R)
• M8: 8,076,939 km (0.12 R)
• M9: 9,762,308 km (0.12 R)
• M10: 13,093,105 km (0.071 R)
• M11: 13,947,009 km (0.111 R)
• M12: 14,490,648 km (0.083 R)
• M13: 15,190,018 km (0.083 R)
• M14: 16,807,470 km (0.052 R)
• M15: 17,501,156 km (0.117 R)
• M16: 20,554,747 km (0.099 R)
• M17: 22,995,287 km (0.086 R)
• M18: 24,529,413 km (0.068 R)
• M19: 25,221,453 km (0.095 R)
• M20: 26,232,735 km (0.085 R)
• M21: 28,013,548 km (0.047 R)
• M22: 31,234,988 km (0.116 R)
• M23: 33,959,165 km (0.099 R)
• M24: 36,453,560 km (0.074 R)
• M25: 37,225,186 km (0.104 R)
• M26: 39,604,989 km (0.099 R)
• M27: 40,832,140 km (0.097 R)
• M28: 41,944,101 km (0.069 R)
• M29: 42,791,125 km (0.048 R)
• M30: 45,697,213 km (0.085 R)
• M31: 46,744,697 km (0.111 R)
• M32: 47,198,577 km (0.038 R)
• M33: 50,935,233 km (0.11 R)
• M34: 52,223,270 km (0.089 R)
• M35: 52,548,795 km (0.089 R)
• M36: 55,200,717 km (0.066 R)
• M37: 56,388,673 km (0.069 R)
• M38: 57,075,028 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 813

Radius: 4.3

Gravity: 43.97 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 15.74 AU - 19.12 AU

Year: 26713 Days

Day: 21.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 84,872,267 km

• M1: 58,792 km (0.098 R)
• M2: 417,079 km (0.049 R)
• M3: 585,825 km (0.032 R)
• M4: 983,905 km (0.039 R)
• M5: 1,403,378 km (0.056 R)
• M6: 1,616,106 km (0.116 R)
• M7: 2,174,255 km (0.119 R)
• M8: 2,410,470 km (0.102 R)
• M9: 2,769,954 km (0.07 R)
• M10: 3,467,978 km (0.106 R)
• M11: 4,133,539 km (0.087 R)
• M12: 4,348,810 km (0.035 R)
• M13: 4,647,557 km (0.063 R)
• M14: 6,982,630 km (0.054 R)
• M15: 8,371,796 km (0.102 R)
• M16: 10,127,327 km (0.107 R)
• M17: 10,452,852 km (0.116 R)
• M18: 10,785,558 km (0.12 R)
• M19: 12,041,432 km (0.037 R)
• M20: 14,922,986 km (0.09 R)
• M21: 16,837,689 km (0.071 R)
• M22: 18,812,082 km (0.055 R)
• M23: 19,106,341 km (0.116 R)
• M24: 19,603,305 km (0.042 R)
• M25: 20,416,369 km (0.025 R)
• M26: 30,622,684 km (0.08 R)
• M27: 32,834,937 km (0.107 R)
• M28: 36,047,701 km (0.114 R)
• M29: 38,041,243 km (0.074 R)
• M30: 39,144,527 km (0.051 R)
• M31: 40,757,491 km (0.081 R)
• M32: 44,808,153 km (0.085 R)
• M33: 46,751,130 km (0.101 R)
• M34: 50,615,093 km (0.072 R)
• M35: 50,804,334 km (0.118 R)
• M36: 58,762,193 km (0.034 R)
• M37: 64,801,160 km (0.088 R)
• M38: 68,200,323 km (0.091 R)
• M39: 68,662,281 km (0.104 R)
• M40: 71,716,322 km (0.055 R)
• M41: 73,397,802 km (0.057 R)
• M42: 97,704,015 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 504.6

Radius: 5.1

Gravity: 19.4 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 17.09 AU - 18.41 AU

Year: 27452 Days

Day: 24.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 84,872,267 km

• M1: 63,579 km (0.084 R)
• M2: 229,034 km (0.076 R)
• M3: 472,729 km (0.118 R)
• M4: 1,042,398 km (0.054 R)
• M5: 1,695,841 km (0.087 R)
• M6: 2,469,711 km (0.081 R)
• M7: 2,921,347 km (0.113 R)
• M8: 3,251,809 km (0.09 R)
• M9: 3,668,589 km (0.089 R)
• M10: 4,053,354 km (0.084 R)
• M11: 5,211,242 km (0.117 R)
• M12: 6,257,380 km (0.101 R)
• M13: 7,791,655 km (0.066 R)
• M14: 9,738,821 km (0.111 R)
• M15: 11,181,543 km (0.074 R)
• M16: 13,196,477 km (0.074 R)
• M17: 17,570,120 km (0.048 R)
• M18: 18,473,841 km (0.105 R)
• M19: 21,881,232 km (0.068 R)
• M20: 24,334,936 km (0.061 R)
• M21: 25,003,938 km (0.07 R)
• M22: 28,656,968 km (0.067 R)
• M23: 31,193,550 km (0.05 R)
• M24: 35,414,454 km (0.061 R)
• M25: 38,932,547 km (0.103 R)
• M26: 40,000,825 km (0.111 R)
• M27: 51,051,470 km (0.077 R)
• M28: 52,330,682 km (0.075 R)
• M29: 60,052,774 km (0.051 R)
• M30: 68,060,150 km (0.095 R)
• M31: 83,606,510 km (0.102 R)
• M32: 84,618,091 km (0.087 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 392 - 18,257 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit