🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.2

Radius: 10

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.47 AU - 0.71 AU

Year: 307 Days

Day: 6.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 39,959,535 km

• M1: 125,513 km (0.113 R)
• M2: 480,209 km (0.118 R)
• M3: 1,189,901 km (0.108 R)
• M4: 1,583,942 km (0.09 R)
• M5: 1,951,654 km (0.106 R)
• M6: 2,290,792 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733

Radius: 12.7

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.66 AU - 0.7 AU

Year: 380 Days

Day: 14.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,959,535 km

• M1: 157,975 km (0.085 R)
• M2: 610,509 km (0.12 R)
• M3: 1,073,814 km (0.092 R)
• M4: 1,692,550 km (0.068 R)
• M5: 2,110,377 km (0.098 R)
• M6: 2,895,317 km (0.103 R)
• M7: 3,316,585 km (0.057 R)
• M8: 3,891,789 km (0.094 R)
• M9: 4,379,926 km (0.078 R)
• M10: 5,013,623 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.6

Radius: 15

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.55 AU - 0.83 AU

Year: 389 Days

Day: 12.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,959,535 km

• M1: 186,549 km (0.094 R)
• M2: 808,128 km (0.115 R)
• M3: 1,300,604 km (0.116 R)
• M4: 1,778,120 km (0.084 R)
• M5: 2,280,021 km (0.039 R)
• M6: 3,698,957 km (0.098 R)
• M7: 4,601,631 km (0.091 R)
• M8: 5,328,676 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.4

Radius: 10

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.89 AU - 1.43 AU

Year: 847 Days

Day: 10.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,959,535 km

• M1: 124,615 km (0.069 R)
• M2: 581,487 km (0.059 R)
• M3: 1,147,565 km (0.043 R)
• M4: 1,523,954 km (0.111 R)
• M5: 2,328,640 km (0.106 R)
• M6: 2,849,241 km (0.089 R)
• M7: 3,591,097 km (0.109 R)
• M8: 4,487,637 km (0.052 R)
• M9: 4,855,947 km (0.112 R)
• M10: 6,495,988 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.5

Radius: 10.5

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.49 AU - 1.93 AU

Year: 1517 Days

Day: 9.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,959,535 km

• M1: 130,599 km (0.079 R)
• M2: 469,737 km (0.087 R)
• M3: 863,479 km (0.081 R)
• M4: 1,529,040 km (0.083 R)
• M5: 1,934,450 km (0.107 R)
• M6: 2,476,443 km (0.075 R)
• M7: 2,843,706 km (0.11 R)
• M8: 3,274,099 km (0.105 R)
• M9: 4,140,271 km (0.034 R)
• M10: 5,062,392 km (0.057 R)
• M11: 5,620,093 km (0.107 R)
• M12: 7,660,907 km (0.101 R)
• M13: 8,296,249 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.5

Radius: 9.5

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.45 AU - 2.37 AU

Year: 1790 Days

Day: 7.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 39,959,535 km

• M1: 118,182 km (0.102 R)
• M2: 509,381 km (0.06 R)
• M3: 1,293,573 km (0.098 R)
• M4: 1,726,808 km (0.046 R)
• M5: 3,059,576 km (0.053 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.4

Radius: 8.2

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.29 AU - 4.23 AU

Year: 4945 Days

Day: 12.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 39,959,535 km

• M1: 103,671 km (0.113 R)
• M2: 453,132 km (0.069 R)
• M3: 1,724,415 km (0.12 R)
• M4: 2,860,610 km (0.073 R)
• M5: 4,348,661 km (0.073 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.9

Radius: 12.1

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.7 AU - 5.44 AU

Year: 6626 Days

Day: 11.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 39,959,535 km

• M1: 156,031 km (0.095 R)
• M2: 757,713 km (0.052 R)
• M3: 1,347,877 km (0.091 R)
• M4: 2,086,292 km (0.066 R)
• M5: 3,754,009 km (0.094 R)
• M6: 4,920,573 km (0.099 R)
• M7: 5,910,911 km (0.117 R)
• M8: 6,882,699 km (0.114 R)
• M9: 7,639,814 km (0.093 R)
• M10: 12,231,122 km (0.118 R)
• M11: 13,456,927 km (0.08 R)
• M12: 14,947,370 km (0.08 R)
• M13: 15,573,288 km (0.099 R)
• M14: 15,957,306 km (0.116 R)
• M15: 17,833,413 km (0.116 R)
• M16: 18,324,692 km (0.034 R)
• M17: 19,187,572 km (0.093 R)
• M18: 22,341,694 km (0.115 R)
• M19: 23,409,972 km (0.093 R)
• M20: 28,499,442 km (0.083 R)
• M21: 29,755,615 km (0.063 R)
• M22: 30,347,723 km (0.09 R)
• M23: 31,048,290 km (0.068 R)
• M24: 33,532,812 km (0.112 R)
• M25: 36,821,272 km (0.111 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 406 - 15,779 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit