🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.49 AU - 0.77 AU

Year: 328 Days

Day: 39.5 Hours

Environment

Temp: -125 °C

Axial Tilt: 43.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 84,273,621 km

• M1: 427,102 km (0.119 R)

Asteroid Belt

Center: 0.99 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.6

Radius: 10.4

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.04 AU - 1.66 AU

Year: 1029 Days

Day: 11.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 84,273,621 km

• M1: 133,890 km (0.105 R)
• M2: 581,038 km (0.117 R)
• M3: 1,808,489 km (0.12 R)
• M4: 2,148,076 km (0.048 R)
• M5: 2,538,676 km (0.088 R)
• M6: 2,941,693 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.7

Radius: 12.7

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.69 AU - 2.51 AU

Year: 1996 Days

Day: 12.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 84,273,621 km

• M1: 158,125 km (0.1 R)
• M2: 826,977 km (0.108 R)
• M3: 1,417,440 km (0.045 R)
• M4: 2,868,539 km (0.086 R)
• M5: 3,572,397 km (0.075 R)
• M6: 4,021,939 km (0.107 R)
• M7: 4,778,156 km (0.116 R)
• M8: 8,848,265 km (0.068 R)
• M9: 9,406,265 km (0.099 R)
• M10: 10,593,025 km (0.088 R)
• M11: 13,010,377 km (0.098 R)
• M12: 15,165,484 km (0.099 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 924.9

Radius: 3.7

Gravity: 67.56 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 5.99 AU - 8.81 AU

Year: 13206 Days

Day: 17.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 84,273,621 km

• M1: 50,714 km (0.112 R)
• M2: 292,613 km (0.116 R)
• M3: 442,959 km (0.05 R)
• M4: 636,090 km (0.102 R)
• M5: 1,505,703 km (0.103 R)
• M6: 2,506,662 km (0.049 R)
• M7: 3,119,265 km (0.062 R)
• M8: 5,363,832 km (0.106 R)
• M9: 5,548,435 km (0.077 R)
• M10: 9,640,685 km (0.106 R)
• M11: 10,880,852 km (0.117 R)
• M12: 10,998,585 km (0.08 R)
• M13: 11,909,187 km (0.111 R)
• M14: 12,223,642 km (0.115 R)
• M15: 14,940,788 km (0.115 R)
• M16: 16,055,591 km (0.105 R)
• M17: 17,304,584 km (0.115 R)
• M18: 20,617,429 km (0.092 R)
• M19: 20,797,994 km (0.111 R)
• M20: 23,534,288 km (0.095 R)
• M21: 24,228,871 km (0.104 R)
• M22: 24,835,191 km (0.102 R)
• M23: 26,928,963 km (0.111 R)
• M24: 27,798,426 km (0.096 R)
• M25: 28,574,390 km (0.111 R)
• M26: 29,364,716 km (0.082 R)
• M27: 31,822,908 km (0.059 R)
• M28: 32,306,259 km (0.063 R)
• M29: 34,796,315 km (0.09 R)
• M30: 36,218,991 km (0.07 R)
• M31: 37,545,475 km (0.063 R)
• M32: 38,903,973 km (0.061 R)
• M33: 43,767,849 km (0.087 R)
• M34: 58,926,302 km (0.082 R)
• M35: 60,573,524 km (0.106 R)
• M36: 60,943,779 km (0.098 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 662.5

Radius: 7.6

Gravity: 11.47 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 10.33 AU - 11.53 AU

Year: 23705 Days

Day: 23.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 84,273,621 km

• M1: 94,845 km (0.036 R)
• M2: 508,034 km (0.062 R)
• M3: 757,863 km (0.109 R)
• M4: 1,132,157 km (0.119 R)
• M5: 3,642,110 km (0.084 R)
• M6: 4,427,947 km (0.086 R)
• M7: 4,713,530 km (0.107 R)
• M8: 8,076,340 km (0.092 R)
• M9: 9,638,740 km (0.075 R)
• M10: 10,304,451 km (0.093 R)
• M11: 10,935,754 km (0.067 R)
• M12: 16,689,288 km (0.114 R)
• M13: 17,737,221 km (0.081 R)
• M14: 18,095,957 km (0.053 R)
• M15: 18,828,089 km (0.081 R)
• M16: 19,484,823 km (0.063 R)
• M17: 20,059,878 km (0.12 R)
• M18: 20,646,002 km (0.111 R)
• M19: 22,893,561 km (0.101 R)
• M20: 23,212,204 km (0.086 R)
• M21: 23,641,550 km (0.109 R)
• M22: 25,186,447 km (0.102 R)
• M23: 26,098,695 km (0.079 R)
• M24: 27,032,934 km (0.113 R)
• M25: 29,216,165 km (0.036 R)
• M26: 31,253,090 km (0.037 R)
• M27: 35,183,175 km (0.105 R)
• M28: 36,178,749 km (0.101 R)
• M29: 41,914,182 km (0.097 R)
• M30: 44,335,573 km (0.12 R)
• M31: 50,524,287 km (0.104 R)
• M32: 51,245,499 km (0.072 R)
• M33: 55,718,026 km (0.101 R)
• M34: 57,460,243 km (0.115 R)
• M35: 64,369,570 km (0.108 R)
• M36: 76,685,215 km (0.119 R)
• M37: 80,787,338 km (0.065 R)
• M38: 83,769,572 km (0.046 R)
• M39: 84,273,567 km (0.074 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 390 - 16,150 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit