🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.51 AU - 0.73 AU

Year: 310 Days

Day: 29.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 37 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 83,003,526 km

• M1: 61,485 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.1

Radius: 8.6

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.78 AU - 1.28 AU

Year: 665 Days

Day: 7.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 83,003,526 km

• M1: 118,182 km (0.09 R)
• M2: 461,809 km (0.067 R)
• M3: 867,668 km (0.079 R)
• M4: 1,211,743 km (0.059 R)
• M5: 2,756,640 km (0.099 R)
• M6: 3,373,582 km (0.032 R)
• M7: 3,935,621 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.5

Radius: 9

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.11 AU - 2.49 AU

Year: 2218 Days

Day: 11.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 83,003,526 km

• M1: 112,049 km (0.07 R)
• M2: 509,381 km (0.084 R)
• M3: 957,277 km (0.118 R)
• M4: 1,600,847 km (0.119 R)
• M5: 1,910,066 km (0.091 R)
• M6: 3,175,664 km (0.113 R)
• M7: 6,170,463 km (0.066 R)
• M8: 6,983,378 km (0.103 R)
• M9: 7,381,757 km (0.096 R)
• M10: 7,865,706 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.2

Radius: 8

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.71 AU - 3.67 AU

Year: 3623 Days

Day: 8.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 83,003,526 km

• M1: 100,081 km (0.069 R)
• M2: 349,161 km (0.059 R)
• M3: 764,595 km (0.111 R)
• M4: 2,096,764 km (0.092 R)
• M5: 2,835,478 km (0.116 R)
• M6: 5,492,785 km (0.11 R)
• M7: 7,401,355 km (0.102 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 272.6

Radius: 7.8

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 6.99 AU - 9.09 AU

Year: 14495 Days

Day: 17 Hours

Environment

Temp: -222 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 83,003,526 km

• M1: 98,884 km (0.099 R)
• M2: 496,665 km (0.102 R)
• M3: 844,181 km (0.066 R)
• M4: 1,151,156 km (0.093 R)
• M5: 1,836,912 km (0.117 R)
• M6: 2,181,885 km (0.086 R)
• M7: 2,435,453 km (0.118 R)
• M8: 3,507,472 km (0.061 R)
• M9: 3,755,056 km (0.068 R)
• M10: 4,121,571 km (0.037 R)
• M11: 5,969,404 km (0.059 R)
• M12: 6,506,161 km (0.1 R)
• M13: 7,192,366 km (0.105 R)
• M14: 7,512,356 km (0.084 R)
• M15: 8,010,218 km (0.104 R)
• M16: 8,843,329 km (0.07 R)
• M17: 9,781,307 km (0.11 R)
• M18: 10,075,267 km (0.059 R)
• M19: 11,310,497 km (0.103 R)
• M20: 11,634,526 km (0.109 R)
• M21: 12,132,088 km (0.046 R)
• M22: 12,643,713 km (0.088 R)
• M23: 14,078,506 km (0.04 R)
• M24: 14,899,499 km (0.118 R)
• M25: 15,486,372 km (0.093 R)
• M26: 20,270,212 km (0.078 R)
• M27: 25,123,766 km (0.067 R)
• M28: 25,861,582 km (0.089 R)
• M29: 26,519,065 km (0.101 R)
• M30: 27,477,389 km (0.104 R)
• M31: 30,595,158 km (0.11 R)
• M32: 36,107,840 km (0.088 R)
• M33: 39,343,342 km (0.054 R)
• M34: 42,247,785 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 789

Radius: 6.5

Gravity: 18.67 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 9.6 AU - 11.14 AU

Year: 21233 Days

Day: 22.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 149.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 83,003,526 km

• M1: 81,531 km (0.084 R)
• M2: 318,195 km (0.07 R)
• M3: 580,739 km (0.084 R)
• M4: 916,437 km (0.109 R)
• M5: 1,184,666 km (0.112 R)
• M6: 1,423,723 km (0.105 R)
• M7: 2,020,768 km (0.087 R)
• M8: 3,368,944 km (0.044 R)
• M9: 3,666,644 km (0.117 R)
• M10: 3,981,996 km (0.028 R)
• M11: 5,191,345 km (0.085 R)
• M12: 6,050,486 km (0.061 R)
• M13: 7,144,495 km (0.098 R)
• M14: 7,487,074 km (0.078 R)
• M15: 9,956,486 km (0.082 R)
• M16: 11,210,565 km (0.11 R)
• M17: 11,875,528 km (0.11 R)
• M18: 12,993,622 km (0.096 R)
• M19: 14,256,827 km (0.078 R)
• M20: 22,643,882 km (0.096 R)
• M21: 25,132,741 km (0.091 R)
• M22: 31,811,838 km (0.117 R)
• M23: 33,547,023 km (0.062 R)
• M24: 35,768,252 km (0.027 R)
• M25: 38,680,025 km (0.105 R)
• M26: 40,964,983 km (0.052 R)
• M27: 49,581,372 km (0.048 R)
• M28: 50,468,487 km (0.074 R)
• M29: 53,563,667 km (0.074 R)
• M30: 54,310,011 km (0.093 R)
• M31: 54,874,145 km (0.12 R)
• M32: 55,632,606 km (0.025 R)
• M33: 64,022,054 km (0.1 R)
• M34: 66,350,844 km (0.067 R)
• M35: 75,528,375 km (0.111 R)
• M36: 80,784,645 km (0.025 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 321 - 11,126 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit