🌌 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: 270.7

Radius: 11

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.47 AU - 0.79 AU

Year: 339 Days

Day: 5.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,840,524 km

• M1: 137,480 km (0.086 R)
• M2: 546,631 km (0.1 R)
• M3: 1,152,352 km (0.064 R)
• M4: 1,494,782 km (0.087 R)
• M5: 2,255,188 km (0.105 R)
• M6: 2,655,512 km (0.105 R)
• M7: 3,037,585 km (0.115 R)
• M8: 3,674,872 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.6

Radius: 12.2

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.73 AU - 1.17 AU

Year: 628 Days

Day: 9.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,840,524 km

• M1: 151,692 km (0.096 R)
• M2: 568,921 km (0.041 R)
• M3: 1,283,999 km (0.049 R)
• M4: 2,501,875 km (0.069 R)
• M5: 3,476,804 km (0.093 R)
• M6: 4,642,022 km (0.1 R)
• M7: 6,341,753 km (0.096 R)
• M8: 6,804,160 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.2

Radius: 8.2

Gravity: 10.06 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.76 AU - 1.22 AU

Year: 668 Days

Day: 14.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,840,524 km

• M1: 102,026 km (0.119 R)
• M2: 420,520 km (0.106 R)
• M3: 718,668 km (0.103 R)
• M4: 1,048,382 km (0.12 R)
• M5: 1,694,944 km (0.11 R)
• M6: 2,041,413 km (0.06 R)
• M7: 3,232,212 km (0.07 R)
• M8: 3,574,492 km (0.104 R)
• M9: 4,163,159 km (0.068 R)
• M10: 4,520,848 km (0.08 R)
• M11: 5,001,057 km (0.096 R)
• M12: 5,262,554 km (0.09 R)
• M13: 5,625,329 km (0.119 R)
• M14: 6,004,859 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.7

Radius: 11.4

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.67 AU - 1.69 AU

Year: 1477 Days

Day: 10.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,840,524 km

• M1: 145,409 km (0.043 R)
• M2: 686,056 km (0.085 R)
• M3: 1,397,095 km (0.093 R)
• M4: 1,768,396 km (0.108 R)
• M5: 2,408,077 km (0.116 R)
• M6: 3,223,685 km (0.112 R)
• M7: 6,035,975 km (0.119 R)
• M8: 7,852,392 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.6

Radius: 14.1

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.37 AU - 2.23 AU

Year: 1638 Days

Day: 14.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,840,524 km

• M1: 178,620 km (0.097 R)
• M2: 931,247 km (0.087 R)
• M3: 1,373,757 km (0.105 R)
• M4: 2,039,019 km (0.118 R)
• M5: 2,538,825 km (0.065 R)
• M6: 3,078,575 km (0.07 R)
• M7: 3,988,878 km (0.061 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 312.4

Radius: 6.6

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 7.73 AU - 9.47 AU

Year: 17106 Days

Day: 16.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,840,524 km

• M1: 82,279 km (0.098 R)
• M2: 302,038 km (0.088 R)
• M3: 536,009 km (0.075 R)
• M4: 1,177,784 km (0.031 R)
• M5: 1,504,655 km (0.109 R)
• M6: 1,744,610 km (0.064 R)
• M7: 2,707,871 km (0.101 R)
• M8: 6,434,055 km (0.116 R)
• M9: 16,000,240 km (0.119 R)
• M10: 23,211,456 km (0.096 R)
• M11: 24,608,251 km (0.067 R)
• M12: 37,226,533 km (0.064 R)
• M13: 38,237,216 km (0.108 R)
• M14: 40,977,101 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 270.3

Radius: 6.2

Gravity: 7.03 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 8.72 AU - 10.38 AU

Year: 20017 Days

Day: 15.8 Hours

Environment

Temp: -243 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 55,840,524 km

• M1: 178,321 km (0.082 R)
• M2: 424,409 km (0.081 R)
• M3: 917,484 km (0.088 R)
• M4: 1,174,642 km (0.117 R)
• M5: 1,523,355 km (0.09 R)
• M6: 2,026,902 km (0.044 R)
• M7: 2,307,697 km (0.116 R)
• M8: 2,947,676 km (0.06 R)
• M9: 4,730,733 km (0.075 R)
• M10: 6,129,174 km (0.086 R)
• M11: 6,677,899 km (0.068 R)
• M12: 8,760,601 km (0.043 R)
• M13: 9,203,710 km (0.078 R)
• M14: 11,413,719 km (0.101 R)
• M15: 13,367,019 km (0.063 R)
• M16: 14,763,814 km (0.106 R)
• M17: 14,971,007 km (0.098 R)
• M18: 16,108,848 km (0.119 R)
• M19: 17,533,618 km (0.088 R)
• M20: 19,783,570 km (0.082 R)
• M21: 22,673,801 km (0.067 R)
• M22: 24,652,682 km (0.059 R)
• M23: 25,042,235 km (0.05 R)
• M24: 25,833,607 km (0.08 R)
• M25: 26,743,761 km (0.101 R)
• M26: 27,258,677 km (0.041 R)
• M27: 32,077,224 km (0.058 R)
• M28: 39,921,089 km (0.084 R)
• M29: 44,786,311 km (0.061 R)
• M30: 46,987,046 km (0.077 R)
• M31: 53,693,967 km (0.119 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 525 - 10,903 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit