🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.6

Radius: 14.9

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.48 AU - 0.54 AU

Year: 247 Days

Day: 11.2 Hours

Environment

Temp: -133 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,682,082 km

• M1: 185,352 km (0.098 R)
• M2: 674,238 km (0.069 R)
• M3: 1,239,718 km (0.111 R)
• M4: 1,943,127 km (0.106 R)
• M5: 2,454,003 km (0.084 R)
• M6: 3,084,259 km (0.072 R)
• M7: 3,667,093 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.4

Radius: 8.1

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.54 AU - 0.76 AU

Year: 355 Days

Day: 13.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,682,082 km

• M1: 102,026 km (0.115 R)
• M2: 405,859 km (0.066 R)
• M3: 882,777 km (0.112 R)
• M4: 1,264,850 km (0.04 R)
• M5: 1,761,814 km (0.102 R)
• M6: 2,182,783 km (0.086 R)
• M7: 2,487,813 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.9

Radius: 9.5

Gravity: 10.1 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.57 AU - 0.83 AU

Year: 397 Days

Day: 14.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,682,082 km

• M1: 118,182 km (0.074 R)
• M2: 804,986 km (0.06 R)
• M3: 1,147,416 km (0.116 R)
• M4: 1,809,985 km (0.119 R)
• M5: 2,200,884 km (0.056 R)
• M6: 2,781,922 km (0.104 R)
• M7: 3,258,840 km (0.102 R)
• M8: 3,828,658 km (0.093 R)
• M9: 4,263,091 km (0.108 R)
• M10: 4,806,280 km (0.081 R)
• M11: 5,329,125 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.6

Radius: 13.6

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.76 AU - 1.24 AU

Year: 678 Days

Day: 8.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,682,082 km

• M1: 169,195 km (0.105 R)
• M2: 608,115 km (0.088 R)
• M3: 1,060,649 km (0.114 R)
• M4: 1,518,119 km (0.089 R)
• M5: 2,062,506 km (0.085 R)
• M6: 3,152,027 km (0.105 R)
• M7: 4,301,537 km (0.042 R)
• M8: 4,868,064 km (0.052 R)
• M9: 5,950,106 km (0.117 R)
• M10: 6,569,740 km (0.107 R)
• M11: 7,509,364 km (0.031 R)
• M12: 8,159,517 km (0.092 R)
• M13: 8,639,277 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.4

Radius: 9.3

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.9 AU - 2.84 AU

Year: 2475 Days

Day: 5 Hours

Environment

Temp: -213 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,682,082 km

• M1: 115,639 km (0.034 R)
• M2: 413,937 km (0.075 R)
• M3: 720,613 km (0.06 R)
• M4: 1,277,715 km (0.118 R)
• M5: 1,877,902 km (0.079 R)
• M6: 2,248,905 km (0.116 R)
• M7: 2,761,427 km (0.092 R)
• M8: 3,184,340 km (0.066 R)
• M9: 4,995,223 km (0.101 R)
• M10: 5,452,394 km (0.065 R)
• M11: 5,892,062 km (0.09 R)
• M12: 6,331,580 km (0.087 R)
• M13: 6,693,757 km (0.086 R)
• M14: 7,380,710 km (0.093 R)
• M15: 7,864,360 km (0.099 R)
• M16: 8,541,889 km (0.078 R)
• M17: 9,014,768 km (0.093 R)
• M18: 10,077,810 km (0.057 R)
• M19: 10,911,369 km (0.112 R)
• M20: 11,971,270 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.6

Radius: 14.2

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2 AU - 2.94 AU

Year: 2633 Days

Day: 7.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,682,082 km

• M1: 177,273 km (0.118 R)
• M2: 668,254 km (0.098 R)
• M3: 1,873,414 km (0.103 R)
• M4: 2,368,583 km (0.057 R)
• M5: 3,523,628 km (0.096 R)
• M6: 5,497,572 km (0.096 R)
• M7: 6,133,214 km (0.097 R)

Asteroid Belt

Center: 5.07 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 651.5

Radius: 4.5

Gravity: 32.17 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 7.04 AU - 8.28 AU

Year: 14379 Days

Day: 20.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 48,682,082 km

• M1: 62,233 km (0.101 R)
• M2: 603,627 km (0.104 R)
• M3: 795,561 km (0.1 R)
• M4: 1,430,305 km (0.089 R)
• M5: 2,973,407 km (0.079 R)
• M6: 3,895,678 km (0.114 R)
• M7: 4,826,177 km (0.081 R)
• M8: 5,201,668 km (0.076 R)
• M9: 6,049,439 km (0.114 R)
• M10: 6,732,652 km (0.091 R)
• M11: 8,443,453 km (0.078 R)
• M12: 8,887,310 km (0.112 R)
• M13: 11,108,539 km (0.112 R)
• M14: 16,685,099 km (0.064 R)
• M15: 22,543,053 km (0.119 R)
• M16: 22,730,648 km (0.105 R)
• M17: 29,861,829 km (0.09 R)
• M18: 30,889,567 km (0.101 R)
• M19: 35,489,252 km (0.095 R)
• M20: 37,951,484 km (0.101 R)
• M21: 39,700,283 km (0.084 R)
• M22: 41,361,567 km (0.116 R)
• M23: 41,925,402 km (0.092 R)
• M24: 46,470,484 km (0.112 R)
• M25: 47,694,644 km (0.109 R)
• M26: 54,475,167 km (0.108 R)
• M27: 54,813,109 km (0.099 R)
• M28: 58,624,114 km (0.047 R)
• M29: 58,801,388 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 140.7

Radius: 6.9

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 8.35 AU - 12.35 AU

Year: 22584 Days

Day: 20.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,682,082 km

• M1: 216,319 km (0.092 R)
• M2: 624,721 km (0.114 R)
• M3: 1,547,590 km (0.1 R)
• M4: 2,259,975 km (0.09 R)
• M5: 4,909,054 km (0.117 R)
• M6: 5,163,520 km (0.071 R)
• M7: 5,493,832 km (0.074 R)
• M8: 8,171,036 km (0.12 R)
• M9: 21,927,607 km (0.119 R)
• M10: 23,683,587 km (0.056 R)
• M11: 24,228,123 km (0.114 R)
• M12: 24,967,137 km (0.102 R)
• M13: 25,248,081 km (0.11 R)
• M14: 39,936,049 km (0.028 R)
• M15: 42,946,407 km (0.099 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 461 - 18,719 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit