🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.5

Radius: 11

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.83 AU - 0.83 AU

Year: 504 Days

Day: 14 Hours

Environment

Temp: -167 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 47,148,368 km

• M1: 137,331 km (0.052 R)
• M2: 669,600 km (0.099 R)
• M3: 1,047,185 km (0.089 R)
• M4: 1,524,851 km (0.112 R)
• M5: 2,211,954 km (0.041 R)
• M6: 3,076,331 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.9

Radius: 12.5

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.95 AU - 0.99 AU

Year: 637 Days

Day: 12.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 47,148,368 km

• M1: 155,432 km (0.103 R)
• M2: 626,217 km (0.074 R)
• M3: 1,252,583 km (0.114 R)
• M4: 1,655,749 km (0.114 R)
• M5: 2,512,646 km (0.09 R)
• M6: 3,246,423 km (0.033 R)
• M7: 3,658,266 km (0.107 R)
• M8: 5,457,630 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.1

Radius: 12.1

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.93 AU - 1.13 AU

Year: 697 Days

Day: 11.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,148,368 km

• M1: 152,291 km (0.098 R)
• M2: 867,368 km (0.109 R)
• M3: 1,355,806 km (0.097 R)
• M4: 2,009,997 km (0.102 R)
• M5: 2,430,517 km (0.106 R)
• M6: 3,220,842 km (0.096 R)
• M7: 3,951,329 km (0.101 R)
• M8: 5,126,719 km (0.106 R)
• M9: 5,760,266 km (0.086 R)
• M10: 6,311,684 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.2

Radius: 13.9

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.99 AU - 1.31 AU

Year: 822 Days

Day: 14.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,148,368 km

• M1: 173,833 km (0.093 R)
• M2: 683,662 km (0.025 R)
• M3: 1,125,724 km (0.103 R)
• M4: 1,563,597 km (0.12 R)
• M5: 2,438,744 km (0.12 R)
• M6: 3,577,483 km (0.107 R)
• M7: 4,340,582 km (0.107 R)
• M8: 4,973,381 km (0.086 R)
• M9: 6,467,415 km (0.067 R)
• M10: 7,365,302 km (0.071 R)
• M11: 7,820,229 km (0.106 R)
• M12: 8,421,762 km (0.119 R)
• M13: 9,381,881 km (0.05 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.5

Radius: 11.1

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.12 AU - 1.22 AU

Year: 844 Days

Day: 10.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,148,368 km

• M1: 138,079 km (0.099 R)
• M2: 515,963 km (0.098 R)
• M3: 1,059,452 km (0.086 R)
• M4: 1,458,579 km (0.113 R)
• M5: 1,839,306 km (0.117 R)
• M6: 2,340,010 km (0.102 R)
• M7: 3,405,147 km (0.081 R)
• M8: 4,327,118 km (0.117 R)
• M9: 4,891,551 km (0.059 R)
• M10: 5,238,319 km (0.053 R)
• M11: 5,719,725 km (0.081 R)
• M12: 6,167,771 km (0.09 R)
• M13: 7,250,261 km (0.039 R)
• M14: 7,923,302 km (0.115 R)
• M15: 8,455,122 km (0.047 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.5

Radius: 14.3

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.08 AU - 2.2 AU

Year: 2088 Days

Day: 6.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,148,368 km

• M1: 177,872 km (0.037 R)
• M2: 685,607 km (0.115 R)
• M3: 1,338,303 km (0.071 R)
• M4: 2,779,528 km (0.074 R)
• M5: 3,664,549 km (0.042 R)
• M6: 4,449,938 km (0.105 R)
• M7: 5,207,951 km (0.081 R)
• M8: 6,416,402 km (0.088 R)
• M9: 6,899,753 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931

Radius: 12.8

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 4.15 AU - 6.65 AU

Year: 8368 Days

Day: 12.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,148,368 km

• M1: 159,471 km (0.064 R)
• M2: 680,222 km (0.042 R)
• M3: 1,157,888 km (0.109 R)
• M4: 1,957,638 km (0.098 R)
• M5: 2,388,180 km (0.093 R)
• M6: 3,973,918 km (0.088 R)
• M7: 4,585,324 km (0.086 R)
• M8: 7,075,830 km (0.063 R)
• M9: 9,566,485 km (0.043 R)
• M10: 10,668,273 km (0.042 R)
• M11: 11,964,688 km (0.108 R)
• M12: 15,730,216 km (0.106 R)
• M13: 18,513,933 km (0.074 R)
• M14: 23,326,646 km (0.114 R)
• M15: 27,613,822 km (0.105 R)
• M16: 28,209,222 km (0.041 R)
• M17: 28,712,020 km (0.104 R)
• M18: 30,360,738 km (0.115 R)
• M19: 32,840,473 km (0.067 R)
• M20: 33,285,077 km (0.109 R)
• M21: 33,959,614 km (0.1 R)
• M22: 35,568,839 km (0.068 R)
• M23: 39,063,295 km (0.067 R)
• M24: 45,339,524 km (0.074 R)
• M25: 46,446,997 km (0.108 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 485 - 12,003 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit