🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.09

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.48 AU - 0.72 AU

Year: 305 Days

Day: 16.1 Hours

Environment

Temp: -120 °C

Axial Tilt: 41.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.49 AU - 0.79 AU

Year: 336 Days

Day: 35.4 Hours

Environment

Temp: -142 °C

Axial Tilt: 34.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.1

Radius: 12.3

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.17 AU - 1.35 AU

Year: 928 Days

Day: 7.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,603,223 km

• M1: 153,188 km (0.098 R)
• M2: 668,702 km (0.098 R)
• M3: 1,531,134 km (0.072 R)
• M4: 2,253,094 km (0.11 R)
• M5: 2,809,298 km (0.113 R)
• M6: 3,650,338 km (0.118 R)
• M7: 4,061,433 km (0.12 R)
• M8: 4,519,800 km (0.08 R)
• M9: 5,065,833 km (0.12 R)
• M10: 5,636,399 km (0.109 R)
• M11: 7,039,178 km (0.096 R)
• M12: 7,656,419 km (0.1 R)
• M13: 8,260,046 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.9

Radius: 12.3

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.23 AU - 1.55 AU

Year: 1075 Days

Day: 7.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,603,223 km

• M1: 163,959 km (0.1 R)
• M2: 580,290 km (0.11 R)
• M3: 968,646 km (0.103 R)
• M4: 1,579,454 km (0.092 R)
• M5: 2,143,887 km (0.074 R)
• M6: 2,724,177 km (0.111 R)
• M7: 4,003,837 km (0.118 R)
• M8: 4,602,678 km (0.085 R)
• M9: 6,079,508 km (0.112 R)
• M10: 7,248,914 km (0.076 R)
• M11: 8,288,171 km (0.051 R)

Asteroid Belt

Center: 1.8 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.4

Radius: 9

Gravity: 10.36 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.18 AU - 2.22 AU

Year: 2141 Days

Day: 14.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,603,223 km

• M1: 111,899 km (0.087 R)
• M2: 421,567 km (0.083 R)
• M3: 963,111 km (0.06 R)
• M4: 1,522,308 km (0.12 R)
• M5: 3,671,431 km (0.11 R)
• M6: 4,760,952 km (0.119 R)
• M7: 5,623,384 km (0.087 R)
• M8: 6,262,616 km (0.083 R)
• M9: 6,696,599 km (0.069 R)
• M10: 7,931,978 km (0.101 R)
• M11: 11,434,513 km (0.112 R)
• M12: 12,375,334 km (0.05 R)
• M13: 12,757,258 km (0.044 R)
• M14: 13,322,738 km (0.11 R)
• M15: 13,678,930 km (0.115 R)
• M16: 14,928,372 km (0.099 R)
• M17: 16,101,368 km (0.067 R)
• M18: 18,082,792 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.4

Radius: 10.5

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 5.57 AU - 5.61 AU

Year: 8670 Days

Day: 12.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,603,223 km

• M1: 132,394 km (0.037 R)
• M2: 459,714 km (0.026 R)
• M3: 913,145 km (0.064 R)
• M4: 1,824,496 km (0.109 R)
• M5: 2,715,650 km (0.07 R)
• M6: 3,064,662 km (0.1 R)
• M7: 4,680,618 km (0.106 R)
• M8: 5,673,798 km (0.111 R)
• M9: 15,855,579 km (0.053 R)
• M10: 19,685,584 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 89

Radius: 3.6

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 5.5 AU - 6.78 AU

Year: 9981 Days

Day: 24.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,603,223 km

• M1: 44,730 km (0.046 R)
• M2: 195,524 km (0.098 R)
• M3: 375,191 km (0.047 R)
• M4: 659,727 km (0.113 R)
• M5: 930,349 km (0.076 R)
• M6: 1,310,777 km (0.025 R)
• M7: 1,513,781 km (0.062 R)
• M8: 1,889,571 km (0.084 R)
• M9: 2,050,688 km (0.095 R)
• M10: 2,250,102 km (0.107 R)
• M11: 2,605,845 km (0.113 R)
• M12: 3,447,633 km (0.106 R)
• M13: 5,246,098 km (0.09 R)
• M14: 6,629,878 km (0.058 R)
• M15: 6,908,130 km (0.088 R)
• M16: 7,587,454 km (0.094 R)
• M17: 9,382,330 km (0.073 R)
• M18: 14,440,234 km (0.086 R)
• M19: 15,491,907 km (0.034 R)
• M20: 16,036,443 km (0.119 R)
• M21: 19,700,244 km (0.056 R)
• M22: 20,598,430 km (0.076 R)
• M23: 23,741,332 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 495.9

Radius: 6.1

Gravity: 13.33 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 4.69 AU - 7.71 AU

Year: 10127 Days

Day: 19.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,603,223 km

• M1: 82,279 km (0.044 R)
• M2: 359,184 km (0.102 R)
• M3: 569,369 km (0.088 R)
• M4: 1,132,605 km (0.087 R)
• M5: 1,949,559 km (0.117 R)
• M6: 2,288,399 km (0.069 R)
• M7: 2,725,972 km (0.104 R)
• M8: 3,741,592 km (0.104 R)
• M9: 5,491,887 km (0.105 R)
• M10: 10,654,061 km (0.099 R)
• M11: 13,049,123 km (0.116 R)
• M12: 13,401,426 km (0.054 R)
• M13: 14,558,566 km (0.114 R)
• M14: 15,780,930 km (0.103 R)
• M15: 16,451,128 km (0.069 R)
• M16: 20,716,612 km (0.078 R)
• M17: 21,519,654 km (0.079 R)
• M18: 22,762,962 km (0.042 R)
• M19: 33,377,080 km (0.111 R)
• M20: 37,459,756 km (0.103 R)
• M21: 38,770,532 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 448.2

Radius: 6.4

Gravity: 10.94 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 9.74 AU - 9.94 AU

Year: 20249 Days

Day: 16.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 66,603,223 km

• M1: 79,586 km (0.033 R)
• M2: 557,850 km (0.102 R)
• M3: 1,057,956 km (0.081 R)
• M4: 1,752,838 km (0.105 R)
• M5: 2,198,640 km (0.06 R)
• M6: 2,405,683 km (0.1 R)
• M7: 3,055,836 km (0.058 R)
• M8: 3,287,862 km (0.113 R)
• M9: 3,729,924 km (0.079 R)
• M10: 6,639,602 km (0.114 R)
• M11: 7,954,119 km (0.111 R)
• M12: 8,246,283 km (0.096 R)
• M13: 10,612,922 km (0.115 R)
• M14: 11,452,016 km (0.112 R)
• M15: 12,992,126 km (0.06 R)
• M16: 16,320,679 km (0.119 R)
• M17: 17,274,216 km (0.095 R)
• M18: 20,447,935 km (0.086 R)
• M19: 26,386,222 km (0.12 R)
• M20: 29,397,328 km (0.098 R)
• M21: 30,806,241 km (0.077 R)
• M22: 34,012,123 km (0.116 R)
• M23: 36,892,929 km (0.109 R)
• M24: 38,530,876 km (0.081 R)
• M25: 40,933,418 km (0.1 R)
• M26: 47,611,916 km (0.064 R)
• M27: 50,209,833 km (0.038 R)
• M28: 50,873,897 km (0.03 R)
• M29: 51,543,647 km (0.109 R)
• M30: 56,576,718 km (0.03 R)
• M31: 57,476,250 km (0.111 R)
• M32: 63,075,249 km (0.063 R)
• M33: 63,460,913 km (0.111 R)
• M34: 65,215,995 km (0.095 R)
• M35: 66,603,216 km (0.065 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 471 - 11,428 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit