🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.9

Radius: 12.5

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.85 AU - 1.11 AU

Year: 636 Days

Day: 7 Hours

Environment

Temp: -159 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 27,495,305 km

• M1: 155,731 km (0.114 R)
• M2: 874,400 km (0.099 R)
• M3: 1,637,498 km (0.078 R)
• M4: 2,048,743 km (0.068 R)
• M5: 2,508,906 km (0.102 R)
• M6: 2,968,321 km (0.06 R)
• M7: 3,749,820 km (0.079 R)
• M8: 4,145,806 km (0.098 R)
• M9: 4,890,205 km (0.109 R)
• M10: 5,869,472 km (0.091 R)
• M11: 6,809,097 km (0.1 R)
• M12: 7,358,570 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.6

Radius: 8.6

Gravity: 11.92 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.06 AU - 1.1 AU

Year: 736 Days

Day: 12.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 27,495,305 km

• M1: 106,962 km (0.104 R)
• M2: 444,306 km (0.066 R)
• M3: 1,139,637 km (0.09 R)
• M4: 1,469,949 km (0.114 R)
• M5: 1,882,240 km (0.108 R)
• M6: 2,253,991 km (0.069 R)
• M7: 4,353,298 km (0.115 R)
• M8: 4,655,336 km (0.102 R)
• M9: 5,097,996 km (0.055 R)
• M10: 6,006,355 km (0.069 R)
• M11: 7,087,050 km (0.095 R)
• M12: 7,892,634 km (0.092 R)
• M13: 8,916,931 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.7

Radius: 9.7

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.06 AU - 1.38 AU

Year: 884 Days

Day: 8.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 27,495,305 km

• M1: 121,324 km (0.118 R)
• M2: 427,850 km (0.115 R)
• M3: 820,245 km (0.103 R)
• M4: 1,250,937 km (0.074 R)
• M5: 2,862,555 km (0.042 R)
• M6: 3,305,215 km (0.051 R)
• M7: 4,512,919 km (0.108 R)
• M8: 5,802,752 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.2

Radius: 13.4

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 3.35 AU - 4.53 AU

Year: 5130 Days

Day: 7.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 179.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 27,495,305 km

• M1: 169,345 km (0.041 R)
• M2: 854,054 km (0.109 R)
• M3: 1,528,591 km (0.096 R)
• M4: 2,294,233 km (0.109 R)
• M5: 3,707,185 km (0.092 R)
• M6: 4,639,479 km (0.087 R)
• M7: 6,617,013 km (0.085 R)
• M8: 7,671,828 km (0.118 R)
• M9: 8,422,959 km (0.106 R)
• M10: 9,380,534 km (0.104 R)
• M11: 9,989,248 km (0.119 R)
• M12: 10,885,639 km (0.087 R)
• M13: 11,928,037 km (0.114 R)
• M14: 13,336,052 km (0.112 R)
• M15: 16,076,984 km (0.051 R)
• M16: 19,238,286 km (0.105 R)
• M17: 21,308,721 km (0.03 R)
• M18: 22,937,842 km (0.092 R)
• M19: 23,969,468 km (0.111 R)
• M20: 26,523,254 km (0.112 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 551 - 11,479 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit