🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.8

Radius: 11.8

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.54 AU - 0.72 AU

Year: 351 Days

Day: 9.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 12,209,286 km

• M1: 148,251 km (0.117 R)
• M2: 523,144 km (0.088 R)
• M3: 1,008,738 km (0.12 R)
• M4: 1,508,096 km (0.102 R)
• M5: 2,071,931 km (0.09 R)
• M6: 3,072,142 km (0.095 R)
• M7: 4,634,093 km (0.046 R)
• M8: 5,134,349 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709

Radius: 14.8

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.63 AU - 0.75 AU

Year: 403 Days

Day: 6.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 12,209,286 km

• M1: 184,005 km (0.089 R)
• M2: 653,743 km (0.09 R)
• M3: 1,259,913 km (0.047 R)
• M4: 1,762,113 km (0.072 R)
• M5: 2,225,119 km (0.029 R)
• M6: 2,800,771 km (0.11 R)
• M7: 3,630,591 km (0.1 R)
• M8: 4,505,888 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.1

Radius: 12.9

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.77 AU - 1.19 AU

Year: 682 Days

Day: 5.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 12,209,286 km

• M1: 162,762 km (0.094 R)
• M2: 600,935 km (0.113 R)
• M3: 1,034,768 km (0.062 R)
• M4: 1,440,478 km (0.088 R)
• M5: 3,613,237 km (0.053 R)
• M6: 4,546,279 km (0.092 R)
• M7: 4,990,286 km (0.075 R)
• M8: 5,595,559 km (0.1 R)
• M9: 6,627,335 km (0.027 R)
• M10: 7,758,295 km (0.116 R)
• M11: 8,420,415 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.2

Radius: 11

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.33 AU - 1.69 AU

Year: 1304 Days

Day: 12.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 12,209,286 km

• M1: 137,032 km (0.08 R)
• M2: 581,936 km (0.11 R)
• M3: 979,268 km (0.032 R)
• M4: 1,332,618 km (0.038 R)
• M5: 1,773,034 km (0.082 R)
• M6: 2,288,099 km (0.119 R)
• M7: 3,142,602 km (0.051 R)
• M8: 5,100,091 km (0.1 R)
• M9: 5,495,328 km (0.076 R)
• M10: 6,018,322 km (0.073 R)
• M11: 6,460,384 km (0.098 R)
• M12: 7,067,303 km (0.075 R)
• M13: 7,840,424 km (0.06 R)
• M14: 8,752,223 km (0.099 R)
• M15: 10,312,380 km (0.092 R)
• M16: 10,882,348 km (0.111 R)

Asteroid Belt

Center: 1.88 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.8

Radius: 8.1

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.13 AU - 2.37 AU

Year: 2372 Days

Day: 13.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 155.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 12,209,286 km

• M1: 100,679 km (0.054 R)
• M2: 359,334 km (0.113 R)
• M3: 624,870 km (0.043 R)
• M4: 1,055,413 km (0.063 R)
• M5: 1,351,168 km (0.113 R)
• M6: 1,819,409 km (0.074 R)
• M7: 2,192,506 km (0.095 R)
• M8: 2,539,873 km (0.069 R)
• M9: 2,827,549 km (0.091 R)
• M10: 3,225,330 km (0.108 R)
• M11: 3,516,148 km (0.054 R)
• M12: 4,133,240 km (0.073 R)
• M13: 5,140,332 km (0.096 R)
• M14: 5,756,376 km (0.082 R)
• M15: 6,255,884 km (0.052 R)
• M16: 7,289,306 km (0.108 R)
• M17: 7,792,553 km (0.077 R)
• M18: 9,016,862 km (0.068 R)
• M19: 9,753,482 km (0.116 R)
• M20: 11,311,544 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.7

Radius: 14.1

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.89 AU - 2.75 AU

Year: 2484 Days

Day: 9.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 12,209,286 km

• M1: 175,329 km (0.076 R)
• M2: 740,659 km (0.049 R)
• M3: 1,226,254 km (0.044 R)
• M4: 1,712,596 km (0.105 R)
• M5: 2,191,010 km (0.048 R)
• M6: 2,650,276 km (0.091 R)
• M7: 3,133,776 km (0.104 R)
• M8: 4,824,382 km (0.073 R)
• M9: 5,755,479 km (0.074 R)
• M10: 7,545,417 km (0.092 R)
• M11: 8,474,271 km (0.069 R)
• M12: 9,740,916 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.4

Radius: 10.1

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.14 AU - 3.26 AU

Year: 3119 Days

Day: 12.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 12,209,286 km

• M1: 125,812 km (0.107 R)
• M2: 648,208 km (0.101 R)
• M3: 1,079,648 km (0.104 R)
• M4: 1,437,037 km (0.096 R)
• M5: 2,495,442 km (0.108 R)
• M6: 6,266,206 km (0.089 R)
• M7: 7,416,314 km (0.09 R)
• M8: 9,876,601 km (0.037 R)
• M9: 10,518,675 km (0.114 R)
• M10: 10,849,885 km (0.107 R)
• M11: 11,360,014 km (0.064 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 355 - 15,445 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit