🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.45 AU - 0.55 AU

Year: 228 Days

Day: 16.9 Hours

Environment

Temp: -118 °C

Axial Tilt: 42.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.42 AU - 0.66 AU

Year: 256 Days

Day: 33.9 Hours

Environment

Temp: -131 °C

Axial Tilt: 38.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.81 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.2

Radius: 9

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.03 AU - 1.13 AU

Year: 725 Days

Day: 11.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 86.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,051,991 km

• M1: 111,899 km (0.094 R)
• M2: 438,023 km (0.066 R)
• M3: 929,452 km (0.118 R)
• M4: 1,270,984 km (0.101 R)
• M5: 1,864,289 km (0.031 R)
• M6: 2,732,555 km (0.113 R)
• M7: 3,541,131 km (0.109 R)
• M8: 3,877,427 km (0.106 R)
• M9: 4,250,225 km (0.068 R)
• M10: 4,729,088 km (0.092 R)
• M11: 5,208,100 km (0.059 R)
• M12: 5,514,477 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.2

Radius: 12.4

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 3.24 AU - 4.58 AU

Year: 4992 Days

Day: 12.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,051,991 km

• M1: 154,385 km (0.098 R)
• M2: 633,098 km (0.027 R)
• M3: 1,180,178 km (0.088 R)
• M4: 1,625,830 km (0.08 R)
• M5: 2,276,580 km (0.114 R)
• M6: 3,076,181 km (0.119 R)
• M7: 4,720,411 km (0.059 R)
• M8: 5,400,184 km (0.052 R)
• M9: 7,195,209 km (0.104 R)
• M10: 9,072,512 km (0.106 R)
• M11: 10,168,466 km (0.053 R)
• M12: 11,588,449 km (0.071 R)
• M13: 12,775,509 km (0.1 R)
• M14: 14,649,671 km (0.086 R)
• M15: 15,448,523 km (0.103 R)
• M16: 16,096,282 km (0.07 R)
• M17: 17,636,093 km (0.103 R)
• M18: 19,070,587 km (0.104 R)
• M19: 21,875,547 km (0.085 R)
• M20: 22,467,955 km (0.081 R)
• M21: 23,070,984 km (0.114 R)
• M22: 27,087,836 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.5

Radius: 10.4

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 4.47 AU - 7.31 AU

Year: 9230 Days

Day: 9.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,051,991 km

• M1: 129,402 km (0.104 R)
• M2: 519,853 km (0.108 R)
• M3: 1,210,995 km (0.111 R)
• M4: 1,537,118 km (0.089 R)
• M5: 2,100,952 km (0.118 R)
• M6: 3,849,901 km (0.026 R)
• M7: 13,031,620 km (0.101 R)
• M8: 17,031,269 km (0.1 R)
• M9: 19,378,759 km (0.037 R)
• M10: 27,703,581 km (0.09 R)
• M11: 30,744,307 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.8

Radius: 10.5

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 4.81 AU - 7.15 AU

Year: 9442 Days

Day: 6.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 57,051,991 km

• M1: 130,599 km (0.07 R)
• M2: 581,188 km (0.1 R)
• M3: 1,338,303 km (0.095 R)
• M4: 1,913,058 km (0.109 R)
• M5: 3,078,275 km (0.119 R)
• M6: 3,849,452 km (0.065 R)
• M7: 4,560,341 km (0.071 R)
• M8: 4,933,738 km (0.079 R)
• M9: 5,772,683 km (0.077 R)
• M10: 6,178,542 km (0.075 R)
• M11: 6,977,993 km (0.102 R)
• M12: 7,439,053 km (0.057 R)
• M13: 10,972,555 km (0.113 R)
• M14: 11,402,499 km (0.085 R)
• M15: 11,942,996 km (0.106 R)
• M16: 14,334,318 km (0.103 R)
• M17: 17,540,500 km (0.091 R)
• M18: 18,662,783 km (0.096 R)
• M19: 19,832,040 km (0.065 R)
• M20: 20,399,016 km (0.108 R)
• M21: 21,049,617 km (0.107 R)
• M22: 21,863,729 km (0.046 R)
• M23: 22,240,566 km (0.12 R)
• M24: 23,950,470 km (0.031 R)
• M25: 24,593,591 km (0.113 R)
• M26: 25,662,916 km (0.109 R)
• M27: 26,336,256 km (0.094 R)
• M28: 27,455,548 km (0.111 R)
• M29: 30,345,479 km (0.113 R)
• M30: 31,003,710 km (0.042 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 774.1

Radius: 3.9

Gravity: 50.89 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 6.89 AU - 7.31 AU

Year: 12215 Days

Day: 18.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 57,051,991 km

• M1: 50,265 km (0.112 R)
• M2: 185,651 km (0.105 R)
• M3: 318,793 km (0.12 R)
• M4: 561,441 km (0.116 R)
• M5: 1,097,300 km (0.064 R)
• M6: 1,603,091 km (0.069 R)
• M7: 1,779,766 km (0.091 R)
• M8: 2,492,600 km (0.102 R)
• M9: 2,708,021 km (0.09 R)
• M10: 3,352,488 km (0.093 R)
• M11: 3,891,639 km (0.116 R)
• M12: 4,612,402 km (0.116 R)
• M13: 5,743,062 km (0.115 R)
• M14: 6,274,135 km (0.053 R)
• M15: 6,431,811 km (0.087 R)
• M16: 10,439,388 km (0.058 R)
• M17: 11,696,459 km (0.108 R)
• M18: 14,575,321 km (0.059 R)
• M19: 18,051,377 km (0.09 R)
• M20: 18,210,549 km (0.095 R)
• M21: 25,269,773 km (0.066 R)
• M22: 27,308,194 km (0.112 R)
• M23: 31,478,384 km (0.12 R)
• M24: 32,056,879 km (0.098 R)
• M25: 32,290,252 km (0.048 R)
• M26: 33,714,124 km (0.113 R)
• M27: 35,179,435 km (0.085 R)
• M28: 39,694,748 km (0.076 R)
• M29: 47,093,111 km (0.1 R)
• M30: 48,460,285 km (0.106 R)
• M31: 48,613,773 km (0.072 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: 250 - 19,115 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit