🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.4

Radius: 8.9

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.46 AU - 0.62 AU

Year: 274 Days

Day: 13.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,172,155 km

• M1: 110,702 km (0.09 R)
• M2: 396,734 km (0.053 R)
• M3: 731,234 km (0.086 R)
• M4: 1,125,126 km (0.107 R)
• M5: 1,474,885 km (0.117 R)
• M6: 1,755,381 km (0.086 R)
• M7: 2,204,923 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.2

Radius: 10.4

Gravity: 5.92 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.22 AU - 1.56 AU

Year: 1131 Days

Day: 13.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,172,155 km

• M1: 129,402 km (0.093 R)
• M2: 458,368 km (0.059 R)
• M3: 838,346 km (0.102 R)
• M4: 2,021,366 km (0.119 R)
• M5: 2,411,069 km (0.086 R)
• M6: 2,929,126 km (0.084 R)
• M7: 3,550,257 km (0.114 R)
• M8: 4,006,231 km (0.058 R)
• M9: 4,395,335 km (0.084 R)
• M10: 5,409,309 km (0.111 R)
• M11: 6,036,424 km (0.115 R)
• M12: 7,612,138 km (0.099 R)
• M13: 8,105,063 km (0.105 R)
• M14: 8,619,231 km (0.103 R)
• M15: 9,445,759 km (0.101 R)
• M16: 9,984,910 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741

Radius: 10.2

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.67 AU - 1.87 AU

Year: 1625 Days

Day: 7.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,172,155 km

• M1: 128,505 km (0.119 R)
• M2: 477,516 km (0.093 R)
• M3: 827,575 km (0.119 R)
• M4: 1,531,733 km (0.048 R)
• M5: 2,241,126 km (0.098 R)
• M6: 2,845,800 km (0.087 R)
• M7: 3,522,731 km (0.1 R)
• M8: 4,043,481 km (0.07 R)
• M9: 5,110,114 km (0.114 R)
• M10: 6,182,730 km (0.086 R)
• M11: 6,863,401 km (0.111 R)
• M12: 7,593,289 km (0.079 R)
• M13: 9,399,982 km (0.088 R)
• M14: 9,793,125 km (0.112 R)
• M15: 10,334,371 km (0.059 R)
• M16: 11,700,049 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.5

Radius: 11.5

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.72 AU - 1.94 AU

Year: 1709 Days

Day: 8.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,172,155 km

• M1: 145,858 km (0.069 R)
• M2: 691,441 km (0.11 R)
• M3: 1,488,798 km (0.06 R)
• M4: 2,421,092 km (0.082 R)
• M5: 3,111,337 km (0.102 R)
• M6: 5,383,429 km (0.116 R)
• M7: 5,940,531 km (0.117 R)
• M8: 6,609,832 km (0.069 R)
• M9: 6,988,614 km (0.055 R)
• M10: 7,597,777 km (0.118 R)
• M11: 13,253,623 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.6

Radius: 14.3

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.67 AU - 4.13 AU

Year: 5316 Days

Day: 10.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,172,155 km

• M1: 179,667 km (0.093 R)
• M2: 634,445 km (0.112 R)
• M3: 1,475,933 km (0.089 R)
• M4: 2,151,965 km (0.05 R)
• M5: 2,915,064 km (0.111 R)
• M6: 3,606,655 km (0.107 R)
• M7: 4,532,965 km (0.117 R)
• M8: 7,169,628 km (0.096 R)
• M9: 8,125,109 km (0.112 R)
• M10: 9,039,751 km (0.059 R)
• M11: 10,379,998 km (0.083 R)
• M12: 13,184,360 km (0.1 R)
• M13: 14,391,016 km (0.068 R)
• M14: 16,460,703 km (0.102 R)
• M15: 17,341,834 km (0.091 R)
• M16: 17,990,191 km (0.092 R)
• M17: 18,857,410 km (0.061 R)
• M18: 19,543,167 km (0.08 R)
• M19: 27,608,287 km (0.053 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.2

Radius: 14.5

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 4.42 AU - 5.59 AU

Year: 7717 Days

Day: 7.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,172,155 km

• M1: 180,265 km (0.111 R)
• M2: 827,127 km (0.095 R)
• M3: 2,569,493 km (0.047 R)
• M4: 3,202,442 km (0.096 R)
• M5: 3,962,249 km (0.028 R)
• M6: 4,867,466 km (0.109 R)
• M7: 5,534,672 km (0.088 R)
• M8: 6,262,466 km (0.099 R)
• M9: 7,089,293 km (0.069 R)
• M10: 8,424,305 km (0.114 R)
• M11: 9,130,556 km (0.094 R)
• M12: 10,057,315 km (0.027 R)
• M13: 13,716,479 km (0.07 R)
• M14: 16,599,679 km (0.093 R)
• M15: 17,511,628 km (0.075 R)
• M16: 18,594,567 km (0.099 R)
• M17: 19,793,593 km (0.089 R)
• M18: 21,118,731 km (0.076 R)
• M19: 29,484,095 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.9

Radius: 9.9

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 4.08 AU - 6.36 AU

Year: 8232 Days

Day: 12.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 57,172,155 km

• M1: 124,465 km (0.114 R)
• M2: 1,280,707 km (0.107 R)
• M3: 2,175,901 km (0.103 R)
• M4: 2,957,999 km (0.049 R)
• M5: 4,262,193 km (0.115 R)
• M6: 8,433,879 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 260

Radius: 7.5

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 7.78 AU - 11.8 AU

Year: 21144 Days

Day: 23.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 57,172,155 km

• M1: 93,648 km (0.076 R)
• M2: 354,397 km (0.11 R)
• M3: 796,908 km (0.038 R)
• M4: 1,050,925 km (0.055 R)
• M5: 1,470,996 km (0.115 R)
• M6: 1,777,372 km (0.082 R)
• M7: 2,258,479 km (0.067 R)
• M8: 4,056,047 km (0.117 R)
• M9: 4,291,963 km (0.095 R)
• M10: 4,663,115 km (0.101 R)
• M11: 4,922,368 km (0.096 R)
• M12: 5,191,196 km (0.041 R)
• M13: 6,133,513 km (0.042 R)
• M14: 6,685,978 km (0.102 R)
• M15: 7,889,792 km (0.095 R)
• M16: 8,590,957 km (0.114 R)
• M17: 8,882,822 km (0.099 R)
• M18: 9,746,002 km (0.088 R)
• M19: 15,196,900 km (0.104 R)
• M20: 20,350,247 km (0.073 R)
• M21: 21,486,742 km (0.113 R)
• M22: 22,572,823 km (0.07 R)
• M23: 25,447,495 km (0.109 R)
• M24: 25,949,097 km (0.092 R)
• M25: 26,972,346 km (0.06 R)
• M26: 33,924,160 km (0.089 R)
• M27: 34,899,986 km (0.067 R)
• M28: 35,394,856 km (0.114 R)
• M29: 42,682,217 km (0.118 R)
• M30: 45,562,126 km (0.053 R)
• M31: 51,545,742 km (0.114 R)
• M32: 55,141,925 km (0.084 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 248 - 12,476 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit