🌌 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: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.2

Radius: 14.5

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.59 AU - 0.61 AU

Year: 315 Days

Day: 13.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,033,262 km

• M1: 181,013 km (0.111 R)
• M2: 638,185 km (0.084 R)
• M3: 1,260,362 km (0.059 R)
• M4: 1,782,758 km (0.095 R)
• M5: 2,251,298 km (0.091 R)
• M6: 2,860,162 km (0.072 R)
• M7: 3,855,137 km (0.11 R)
• M8: 4,519,052 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.2

Radius: 9

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.6 AU - 0.66 AU

Year: 339 Days

Day: 11.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,033,262 km

• M1: 113,395 km (0.059 R)
• M2: 465,848 km (0.084 R)
• M3: 834,158 km (0.091 R)
• M4: 1,169,706 km (0.074 R)
• M5: 1,699,282 km (0.114 R)
• M6: 2,282,116 km (0.095 R)
• M7: 2,607,192 km (0.118 R)
• M8: 3,309,105 km (0.109 R)
• M9: 3,808,313 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.4

Radius: 14.6

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.75 AU - 1.15 AU

Year: 628 Days

Day: 7.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,033,262 km

• M1: 192,084 km (0.106 R)
• M2: 670,348 km (0.091 R)
• M3: 1,191,697 km (0.091 R)
• M4: 1,772,136 km (0.075 R)
• M5: 2,725,673 km (0.032 R)
• M6: 3,291,004 km (0.091 R)
• M7: 4,158,372 km (0.118 R)
• M8: 4,734,473 km (0.082 R)
• M9: 5,395,546 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673

Radius: 10.4

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.39 AU - 2.03 AU

Year: 1517 Days

Day: 5 Hours

Environment

Temp: -203 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,033,262 km

• M1: 129,701 km (0.093 R)
• M2: 647,609 km (0.085 R)
• M3: 1,047,634 km (0.087 R)
• M4: 1,444,367 km (0.079 R)
• M5: 2,350,332 km (0.07 R)
• M6: 2,900,104 km (0.111 R)
• M7: 3,549,957 km (0.088 R)
• M8: 4,994,624 km (0.099 R)
• M9: 5,524,500 km (0.051 R)
• M10: 6,924,586 km (0.105 R)
• M11: 8,084,867 km (0.091 R)
• M12: 12,608,408 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311

Radius: 14

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.39 AU - 3.41 AU

Year: 3350 Days

Day: 9.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,033,262 km

• M1: 174,880 km (0.108 R)
• M2: 663,616 km (0.064 R)
• M3: 1,109,418 km (0.114 R)
• M4: 1,573,022 km (0.096 R)
• M5: 2,269,549 km (0.119 R)
• M6: 2,793,441 km (0.109 R)
• M7: 3,280,532 km (0.065 R)
• M8: 3,732,766 km (0.11 R)
• M9: 4,226,888 km (0.064 R)
• M10: 4,721,758 km (0.066 R)
• M11: 7,420,054 km (0.119 R)
• M12: 8,332,302 km (0.096 R)
• M13: 9,489,891 km (0.034 R)
• M14: 10,234,290 km (0.048 R)
• M15: 10,903,142 km (0.068 R)
• M16: 11,799,981 km (0.082 R)
• M17: 13,389,009 km (0.081 R)
• M18: 14,463,571 km (0.076 R)
• M19: 16,281,634 km (0.112 R)
• M20: 17,505,793 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.9

Radius: 10.5

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.96 AU - 4.76 AU

Year: 5144 Days

Day: 14.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,033,262 km

• M1: 130,599 km (0.116 R)
• M2: 507,735 km (0.064 R)
• M3: 874,699 km (0.116 R)
• M4: 1,980,377 km (0.064 R)
• M5: 2,389,676 km (0.083 R)
• M6: 2,898,010 km (0.117 R)
• M7: 3,396,769 km (0.12 R)
• M8: 4,606,567 km (0.049 R)
• M9: 5,664,972 km (0.117 R)
• M10: 6,930,271 km (0.089 R)
• M11: 10,520,321 km (0.092 R)
• M12: 11,627,495 km (0.084 R)
• M13: 12,536,750 km (0.051 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 410

Radius: 4.4

Gravity: 21.18 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 4.36 AU - 7.26 AU

Year: 9499 Days

Day: 21.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 39,033,262 km

• M1: 54,753 km (0.038 R)
• M2: 199,863 km (0.118 R)
• M3: 607,068 km (0.04 R)
• M4: 771,925 km (0.117 R)
• M5: 1,494,034 km (0.071 R)
• M6: 1,769,294 km (0.045 R)
• M7: 2,126,683 km (0.06 R)
• M8: 2,549,297 km (0.106 R)
• M9: 2,984,029 km (0.049 R)
• M10: 4,153,435 km (0.09 R)
• M11: 4,446,797 km (0.115 R)
• M12: 4,696,924 km (0.078 R)
• M13: 5,441,174 km (0.064 R)
• M14: 5,857,654 km (0.107 R)
• M15: 7,542,425 km (0.083 R)
• M16: 8,223,993 km (0.119 R)
• M17: 9,033,318 km (0.085 R)
• M18: 12,419,316 km (0.113 R)
• M19: 12,803,932 km (0.104 R)
• M20: 13,253,175 km (0.074 R)
• M21: 19,862,408 km (0.071 R)
• M22: 26,526,994 km (0.096 R)
• M23: 28,186,932 km (0.084 R)
• M24: 30,804,446 km (0.101 R)
• M25: 32,533,049 km (0.107 R)
• M26: 33,263,386 km (0.056 R)
• M27: 34,218,119 km (0.111 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 334 - 11,627 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit