🌌 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: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.9

Radius: 8.9

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.75 AU - 0.93 AU

Year: 489 Days

Day: 13.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 40,988,788 km

• M1: 110,702 km (0.083 R)
• M2: 520,002 km (0.075 R)
• M3: 885,320 km (0.066 R)
• M4: 1,165,218 km (0.042 R)
• M5: 1,906,026 km (0.101 R)
• M6: 2,497,985 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.2

Radius: 10.4

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.76 AU - 0.94 AU

Year: 498 Days

Day: 5.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,988,788 km

• M1: 129,402 km (0.079 R)
• M2: 518,805 km (0.067 R)
• M3: 949,049 km (0.116 R)
• M4: 1,279,361 km (0.12 R)
• M5: 1,616,555 km (0.072 R)
• M6: 1,981,125 km (0.031 R)
• M7: 2,563,659 km (0.078 R)
• M8: 2,944,086 km (0.116 R)
• M9: 3,268,564 km (0.114 R)
• M10: 3,604,561 km (0.104 R)
• M11: 4,179,765 km (0.038 R)
• M12: 4,815,256 km (0.119 R)
• M13: 5,580,599 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.3

Radius: 9.7

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.96 AU - 2.06 AU

Year: 1812 Days

Day: 10.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,988,788 km

• M1: 120,576 km (0.077 R)
• M2: 471,832 km (0.116 R)
• M3: 825,032 km (0.099 R)
• M4: 1,507,647 km (0.104 R)
• M5: 1,999,824 km (0.103 R)
• M6: 2,364,544 km (0.116 R)
• M7: 2,718,193 km (0.03 R)
• M8: 3,137,516 km (0.055 R)
• M9: 4,330,260 km (0.097 R)
• M10: 5,264,050 km (0.075 R)
• M11: 6,425,528 km (0.09 R)
• M12: 6,779,476 km (0.085 R)
• M13: 7,443,990 km (0.092 R)
• M14: 7,749,918 km (0.038 R)
• M15: 8,064,223 km (0.113 R)
• M16: 8,933,835 km (0.068 R)
• M17: 9,247,841 km (0.097 R)
• M18: 9,634,402 km (0.115 R)
• M19: 10,098,903 km (0.117 R)
• M20: 11,509,013 km (0.101 R)
• M21: 13,006,039 km (0.12 R)
• M22: 13,328,422 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.2

Radius: 9.6

Gravity: 8.72 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 3.6 AU - 3.82 AU

Year: 4544 Days

Day: 5.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,988,788 km

• M1: 132,993 km (0.114 R)
• M2: 673,041 km (0.117 R)
• M3: 1,484,609 km (0.06 R)
• M4: 2,052,333 km (0.102 R)
• M5: 2,671,220 km (0.116 R)
• M6: 3,248,069 km (0.086 R)
• M7: 3,662,904 km (0.111 R)
• M8: 4,207,141 km (0.112 R)
• M9: 4,599,237 km (0.104 R)
• M10: 5,015,717 km (0.113 R)
• M11: 5,894,605 km (0.036 R)
• M12: 7,176,210 km (0.062 R)
• M13: 8,066,168 km (0.055 R)
• M14: 9,028,082 km (0.107 R)
• M15: 9,682,722 km (0.113 R)
• M16: 11,364,202 km (0.073 R)
• M17: 20,603,516 km (0.119 R)
• M18: 26,360,940 km (0.027 R)
• M19: 28,467,278 km (0.089 R)
• M20: 28,814,345 km (0.03 R)
• M21: 29,428,594 km (0.11 R)
• M22: 29,872,600 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110

Radius: 13.1

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 3.52 AU - 5.4 AU

Year: 5989 Days

Day: 6.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,988,788 km

• M1: 165,904 km (0.106 R)
• M2: 583,132 km (0.119 R)
• M3: 1,018,911 km (0.086 R)
• M4: 1,948,811 km (0.085 R)
• M5: 2,511,898 km (0.05 R)
• M6: 3,149,484 km (0.062 R)
• M7: 3,817,438 km (0.081 R)
• M8: 5,109,216 km (0.063 R)
• M9: 9,805,841 km (0.111 R)
• M10: 10,883,095 km (0.052 R)
• M11: 12,538,994 km (0.06 R)
• M12: 14,637,404 km (0.049 R)
• M13: 15,844,210 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.9

Radius: 9.2

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 4.76 AU - 5.54 AU

Year: 7431 Days

Day: 7.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 107.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,988,788 km

• M1: 117,135 km (0.11 R)
• M2: 484,697 km (0.095 R)
• M3: 940,372 km (0.112 R)
• M4: 1,856,061 km (0.113 R)
• M5: 2,289,595 km (0.109 R)
• M6: 3,278,138 km (0.051 R)
• M7: 4,032,859 km (0.09 R)
• M8: 5,641,037 km (0.061 R)
• M9: 6,070,682 km (0.103 R)
• M10: 7,205,531 km (0.075 R)
• M11: 9,934,047 km (0.052 R)
• M12: 10,792,140 km (0.082 R)
• M13: 12,915,383 km (0.117 R)
• M14: 15,420,549 km (0.097 R)
• M15: 19,310,542 km (0.1 R)
• M16: 22,264,501 km (0.048 R)
• M17: 23,730,411 km (0.096 R)
• M18: 24,688,885 km (0.063 R)
• M19: 27,457,343 km (0.067 R)
• M20: 30,800,107 km (0.052 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503

Radius: 13.4

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 4.77 AU - 7.13 AU

Year: 9228 Days

Day: 9.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 40,988,788 km

• M1: 166,802 km (0.072 R)
• M2: 796,908 km (0.082 R)
• M3: 1,371,064 km (0.086 R)
• M4: 2,285,107 km (0.09 R)
• M5: 4,795,061 km (0.081 R)
• M6: 5,518,217 km (0.061 R)
• M7: 6,040,014 km (0.095 R)
• M8: 7,412,724 km (0.12 R)
• M9: 8,339,333 km (0.113 R)
• M10: 8,765,687 km (0.106 R)
• M11: 9,755,128 km (0.11 R)
• M12: 11,171,670 km (0.109 R)
• M13: 12,665,704 km (0.109 R)
• M14: 15,787,512 km (0.066 R)
• M15: 20,600,824 km (0.061 R)
• M16: 21,541,345 km (0.114 R)
• M17: 23,256,036 km (0.11 R)
• M18: 23,762,275 km (0.067 R)
• M19: 25,592,157 km (0.053 R)
• M20: 27,796,481 km (0.078 R)
• M21: 30,025,340 km (0.077 R)
• M22: 31,541,514 km (0.115 R)
• M23: 34,507,591 km (0.076 R)
• M24: 35,833,926 km (0.081 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 393 - 14,628 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit