🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.7

Radius: 12.2

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.61 AU - 0.79 AU

Year: 391 Days

Day: 11.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,665,564 km

• M1: 151,692 km (0.116 R)
• M2: 589,416 km (0.102 R)
• M3: 1,316,312 km (0.053 R)
• M4: 1,847,085 km (0.118 R)
• M5: 2,336,569 km (0.073 R)
• M6: 2,720,288 km (0.083 R)
• M7: 3,428,035 km (0.049 R)
• M8: 3,991,421 km (0.112 R)
• M9: 4,833,208 km (0.077 R)
• M10: 5,399,286 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.1

Radius: 8.9

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.52 AU - 1.9 AU

Year: 1491 Days

Day: 7.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,665,564 km

• M1: 110,702 km (0.076 R)
• M2: 486,791 km (0.092 R)
• M3: 860,188 km (0.112 R)
• M4: 1,186,461 km (0.115 R)
• M5: 1,604,437 km (0.064 R)
• M6: 1,955,693 km (0.093 R)
• M7: 2,236,189 km (0.093 R)
• M8: 2,652,370 km (0.085 R)
• M9: 3,119,864 km (0.092 R)
• M10: 3,505,677 km (0.12 R)
• M11: 3,843,319 km (0.112 R)
• M12: 4,152,388 km (0.103 R)
• M13: 4,478,212 km (0.07 R)
• M14: 4,765,590 km (0.089 R)
• M15: 5,377,894 km (0.115 R)
• M16: 6,128,277 km (0.09 R)
• M17: 6,483,422 km (0.092 R)
• M18: 7,382,505 km (0.11 R)
• M19: 8,939,670 km (0.081 R)
• M20: 9,631,859 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.1

Radius: 11.5

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.88 AU - 3 AU

Year: 2542 Days

Day: 9.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,665,564 km

• M1: 143,614 km (0.103 R)
• M2: 594,801 km (0.03 R)
• M3: 997,668 km (0.092 R)
• M4: 1,412,653 km (0.045 R)
• M5: 2,632,623 km (0.083 R)
• M6: 4,232,423 km (0.083 R)
• M7: 5,240,862 km (0.087 R)
• M8: 7,563,968 km (0.069 R)
• M9: 8,325,122 km (0.103 R)
• M10: 9,261,455 km (0.07 R)
• M11: 11,632,581 km (0.096 R)
• M12: 12,801,987 km (0.074 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 881.2

Radius: 4.3

Gravity: 47.66 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 6.75 AU - 7.17 AU

Year: 12245 Days

Day: 22.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,665,564 km

• M1: 61,335 km (0.119 R)
• M2: 200,162 km (0.058 R)
• M3: 1,492,388 km (0.092 R)
• M4: 1,646,923 km (0.101 R)
• M5: 1,812,229 km (0.104 R)
• M6: 2,157,052 km (0.112 R)
• M7: 2,314,728 km (0.084 R)
• M8: 3,197,056 km (0.079 R)
• M9: 5,201,069 km (0.096 R)
• M10: 5,818,160 km (0.077 R)
• M11: 6,442,283 km (0.117 R)
• M12: 6,938,798 km (0.119 R)
• M13: 8,387,205 km (0.116 R)
• M14: 8,532,464 km (0.062 R)
• M15: 11,684,491 km (0.056 R)
• M16: 16,424,500 km (0.091 R)
• M17: 21,479,561 km (0.102 R)
• M18: 24,504,730 km (0.115 R)
• M19: 30,119,287 km (0.12 R)
• M20: 31,034,976 km (0.072 R)
• M21: 36,921,802 km (0.103 R)
• M22: 37,443,449 km (0.068 R)
• M23: 46,020,045 km (0.098 R)
• M24: 50,841,285 km (0.096 R)
• M25: 55,305,435 km (0.098 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: 540 - 12,259 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit