🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.26

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.64 AU - 0.7 AU

Year: 354 Days

Day: 21.7 Hours

Environment

Temp: -131 °C

Axial Tilt: 20.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 19,195,972 km

• M1: 702,960 km (0.091 R)

Asteroid Belt

Center: 1.12 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.6

Radius: 11.7

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.31 AU - 1.83 AU

Year: 1270 Days

Day: 10.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 19,195,972 km

• M1: 145,559 km (0.104 R)
• M2: 569,070 km (0.055 R)
• M3: 968,497 km (0.096 R)
• M4: 1,506,750 km (0.067 R)
• M5: 1,874,761 km (0.078 R)
• M6: 2,282,265 km (0.086 R)
• M7: 3,184,490 km (0.118 R)
• M8: 3,740,545 km (0.065 R)
• M9: 4,564,829 km (0.091 R)
• M10: 5,048,180 km (0.064 R)
• M11: 7,073,436 km (0.104 R)
• M12: 7,477,500 km (0.063 R)
• M13: 8,099,977 km (0.077 R)
• M14: 8,676,078 km (0.038 R)
• M15: 9,251,282 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.1

Radius: 10.6

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.38 AU - 2.18 AU

Year: 1533 Days

Day: 11.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 19,195,972 km

• M1: 138,378 km (0.087 R)
• M2: 471,981 km (0.074 R)
• M3: 838,197 km (0.102 R)
• M4: 1,369,120 km (0.037 R)
• M5: 1,713,045 km (0.106 R)
• M6: 2,059,065 km (0.041 R)
• M7: 2,528,802 km (0.117 R)
• M8: 3,084,409 km (0.115 R)
• M9: 3,702,697 km (0.105 R)
• M10: 4,555,704 km (0.119 R)
• M11: 5,186,857 km (0.032 R)
• M12: 5,875,307 km (0.088 R)
• M13: 6,375,412 km (0.057 R)
• M14: 6,750,006 km (0.078 R)
• M15: 7,139,110 km (0.074 R)
• M16: 7,934,372 km (0.065 R)
• M17: 9,220,764 km (0.083 R)
• M18: 12,625,312 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.6

Radius: 13

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.53 AU - 2.53 AU

Year: 1867 Days

Day: 6.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 19,195,972 km

• M1: 162,014 km (0.093 R)
• M2: 571,763 km (0.098 R)
• M3: 1,188,705 km (0.053 R)
• M4: 1,881,044 km (0.048 R)
• M5: 3,025,019 km (0.103 R)
• M6: 5,240,862 km (0.093 R)
• M7: 6,147,276 km (0.066 R)
• M8: 7,375,025 km (0.062 R)
• M9: 7,878,721 km (0.101 R)
• M10: 9,412,548 km (0.111 R)
• M11: 10,655,856 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.1

Radius: 11.5

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.64 AU - 2.54 AU

Year: 1951 Days

Day: 9.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 19,195,972 km

• M1: 143,016 km (0.074 R)
• M2: 576,101 km (0.119 R)
• M3: 1,254,378 km (0.117 R)
• M4: 1,784,553 km (0.04 R)
• M5: 2,300,666 km (0.082 R)
• M6: 2,805,409 km (0.088 R)
• M7: 3,723,042 km (0.059 R)
• M8: 5,722,418 km (0.114 R)
• M9: 6,568,394 km (0.035 R)
• M10: 7,010,306 km (0.103 R)
• M11: 7,662,403 km (0.049 R)
• M12: 8,663,811 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.4

Radius: 10.3

Gravity: 9.32 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.58 AU - 3 AU

Year: 3009 Days

Day: 11.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 19,195,972 km

• M1: 128,205 km (0.087 R)
• M2: 479,611 km (0.113 R)
• M3: 814,560 km (0.099 R)
• M4: 1,304,493 km (0.111 R)
• M5: 2,051,585 km (0.111 R)
• M6: 2,672,117 km (0.12 R)
• M7: 3,188,679 km (0.114 R)
• M8: 3,549,509 km (0.114 R)
• M9: 3,895,529 km (0.061 R)
• M10: 4,632,148 km (0.111 R)
• M11: 5,046,535 km (0.096 R)
• M12: 5,459,125 km (0.113 R)
• M13: 6,559,867 km (0.099 R)
• M14: 7,535,694 km (0.045 R)
• M15: 8,041,484 km (0.039 R)
• M16: 8,569,564 km (0.117 R)
• M17: 11,346,400 km (0.11 R)
• M18: 13,273,520 km (0.108 R)
• M19: 13,961,670 km (0.073 R)
• M20: 14,314,721 km (0.077 R)
• M21: 15,732,310 km (0.102 R)
• M22: 18,001,561 km (0.031 R)
• M23: 19,463,132 km (0.068 R)
• M24: 22,414,548 km (0.117 R)
• M25: 23,319,765 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.6

Radius: 9.5

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.61 AU - 3.51 AU

Year: 3456 Days

Day: 14.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 19,195,972 km

• M1: 120,725 km (0.098 R)
• M2: 780,452 km (0.113 R)
• M3: 1,615,507 km (0.092 R)
• M4: 3,220,992 km (0.113 R)
• M5: 3,987,830 km (0.074 R)
• M6: 4,746,740 km (0.08 R)
• M7: 5,530,035 km (0.12 R)
• M8: 8,429,391 km (0.083 R)
• M9: 14,366,183 km (0.115 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.9

Radius: 12.3

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 4.07 AU - 5.69 AU

Year: 6961 Days

Day: 5.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 19,195,972 km

• M1: 153,039 km (0.114 R)
• M2: 668,254 km (0.119 R)
• M3: 1,630,617 km (0.065 R)
• M4: 2,405,085 km (0.116 R)
• M5: 2,877,515 km (0.049 R)
• M6: 4,130,248 km (0.088 R)
• M7: 4,839,641 km (0.092 R)
• M8: 5,308,929 km (0.068 R)
• M9: 5,869,323 km (0.059 R)
• M10: 9,119,935 km (0.087 R)
• M11: 11,533,547 km (0.089 R)
• M12: 14,345,538 km (0.04 R)
• M13: 15,376,567 km (0.094 R)
• M14: 16,456,364 km (0.112 R)
• M15: 19,376,814 km (0.058 R)
• M16: 22,098,897 km (0.05 R)
• M17: 23,551,193 km (0.102 R)
• M18: 25,393,491 km (0.101 R)
• M19: 28,113,778 km (0.104 R)
• M20: 31,400,144 km (0.047 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 30.9

Radius: 3.8

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 5.53 AU - 8.45 AU

Year: 11932 Days

Day: 19.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 19,195,972 km

• M1: 49,068 km (0.092 R)
• M2: 193,729 km (0.05 R)
• M3: 504,743 km (0.072 R)
• M4: 1,850,974 km (0.12 R)
• M5: 2,426,477 km (0.117 R)
• M6: 2,708,769 km (0.064 R)
• M7: 5,452,992 km (0.106 R)
• M8: 6,757,037 km (0.058 R)
• M9: 7,681,551 km (0.1 R)
• M10: 8,255,558 km (0.108 R)
• M11: 8,386,905 km (0.096 R)
• M12: 8,891,798 km (0.106 R)
• M13: 11,235,398 km (0.094 R)
• M14: 15,800,078 km (0.099 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 313 - 13,856 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit