🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.87 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.96

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.44 AU - 2.02 AU

Year: 853 Days

Day: 27.9 Hours

Environment

Temp: -60 °C

Axial Tilt: 43.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.18 AU - 2.38 AU

Year: 1290 Days

Day: 47.5 Hours

Environment

Temp: -96 °C

Axial Tilt: 39.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 99,770,160 km

• M1: 145,110 km (0.108 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.44

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.84 AU - 2.96 AU

Year: 1393 Days

Day: 41.7 Hours

Environment

Temp: -100 °C

Axial Tilt: 19.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 99,770,160 km

• M1: 224,098 km (0.1 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.53 AU - 3.17 AU

Year: 1803 Days

Day: 37.4 Hours

Environment

Temp: -100 °C

Axial Tilt: 113 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 3.65 AU - 5.09 AU

Year: 3423 Days

Day: 43.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 29.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.1

Radius: 14.1

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 4.41 AU - 6.97 AU

Year: 5086 Days

Day: 7.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 99,770,160 km

• M1: 178,171 km (0.093 R)
• M2: 638,484 km (0.087 R)
• M3: 1,269,787 km (0.026 R)
• M4: 1,853,518 km (0.107 R)
• M5: 2,386,834 km (0.12 R)
• M6: 2,967,124 km (0.06 R)
• M7: 4,129,948 km (0.114 R)
• M8: 4,973,082 km (0.083 R)
• M9: 5,577,757 km (0.043 R)
• M10: 6,418,347 km (0.095 R)
• M11: 7,102,907 km (0.068 R)
• M12: 8,128,101 km (0.063 R)
• M13: 8,970,038 km (0.112 R)
• M14: 9,576,807 km (0.117 R)
• M15: 11,099,863 km (0.077 R)
• M16: 11,895,424 km (0.111 R)
• M17: 13,392,001 km (0.103 R)
• M18: 14,843,400 km (0.026 R)
• M19: 15,406,786 km (0.067 R)
• M20: 17,930,502 km (0.074 R)
• M21: 24,091,540 km (0.087 R)
• M22: 28,155,366 km (0.118 R)
• M23: 28,932,527 km (0.059 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.7

Radius: 10.4

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 7.48 AU - 9.74 AU

Year: 9467 Days

Day: 11.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 99,770,160 km

• M1: 602,431 km (0.078 R)
• M2: 929,900 km (0.09 R)
• M3: 2,615,868 km (0.077 R)
• M4: 3,298,035 km (0.096 R)
• M5: 4,408,799 km (0.082 R)
• M6: 5,015,119 km (0.081 R)
• M7: 6,202,178 km (0.112 R)
• M8: 7,022,872 km (0.092 R)
• M9: 8,983,651 km (0.074 R)
• M10: 11,990,419 km (0.088 R)
• M11: 16,382,313 km (0.09 R)
• M12: 19,022,117 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 861.5

Radius: 6.2

Gravity: 22.41 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 11.66 AU - 15.48 AU

Year: 18733 Days

Day: 20.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 99,770,160 km

• M1: 77,193 km (0.074 R)
• M2: 311,612 km (0.078 R)
• M3: 641,775 km (0.07 R)
• M4: 890,855 km (0.107 R)
• M5: 1,506,002 km (0.029 R)
• M6: 1,838,558 km (0.068 R)
• M7: 2,305,752 km (0.047 R)
• M8: 2,626,939 km (0.064 R)
• M9: 5,066,431 km (0.071 R)
• M10: 5,372,658 km (0.114 R)
• M11: 5,813,672 km (0.082 R)
• M12: 6,587,243 km (0.1 R)
• M13: 9,546,139 km (0.111 R)
• M14: 11,249,311 km (0.107 R)
• M15: 13,723,959 km (0.042 R)
• M16: 14,243,961 km (0.084 R)
• M17: 17,384,769 km (0.067 R)
• M18: 22,556,517 km (0.089 R)
• M19: 27,018,572 km (0.098 R)
• M20: 28,428,083 km (0.059 R)
• M21: 30,257,965 km (0.038 R)
• M22: 32,164,889 km (0.095 R)
• M23: 33,479,854 km (0.106 R)
• M24: 36,216,448 km (0.116 R)
• M25: 36,639,361 km (0.082 R)
• M26: 39,394,954 km (0.114 R)
• M27: 46,465,996 km (0.064 R)
• M28: 47,636,749 km (0.101 R)
• M29: 63,256,712 km (0.108 R)
• M30: 65,108,733 km (0.111 R)
• M31: 69,136,806 km (0.032 R)
• M32: 71,986,495 km (0.056 R)
• M33: 73,778,528 km (0.068 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 843.7

Radius: 6.3

Gravity: 21.26 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 15.71 AU - 18.97 AU

Year: 27058 Days

Day: 15.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 99,770,160 km

• M1: 78,838 km (0.04 R)
• M2: 351,854 km (0.118 R)
• M3: 650,152 km (0.068 R)
• M4: 863,928 km (0.08 R)
• M5: 1,405,472 km (0.085 R)
• M6: 2,585,949 km (0.078 R)
• M7: 3,826,265 km (0.095 R)
• M8: 5,087,225 km (0.049 R)
• M9: 5,679,184 km (0.054 R)
• M10: 8,284,281 km (0.095 R)
• M11: 10,297,121 km (0.062 R)
• M12: 11,034,638 km (0.091 R)
• M13: 16,937,471 km (0.114 R)
• M14: 17,492,180 km (0.082 R)
• M15: 18,059,006 km (0.04 R)
• M16: 18,833,624 km (0.051 R)
• M17: 22,706,563 km (0.078 R)
• M18: 24,769,368 km (0.102 R)
• M19: 32,970,623 km (0.116 R)
• M20: 36,365,597 km (0.102 R)
• M21: 39,340,201 km (0.032 R)
• M22: 41,967,887 km (0.096 R)
• M23: 55,853,562 km (0.057 R)
• M24: 57,287,158 km (0.111 R)
• M25: 59,589,170 km (0.066 R)
• M26: 61,517,936 km (0.103 R)
• M27: 75,203,149 km (0.113 R)
• M28: 84,476,422 km (0.079 R)
• M29: 87,181,301 km (0.116 R)
• M30: 95,641,509 km (0.118 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 309 - 19,655 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit