🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.7

Radius: 13.8

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.11 AU - 1.21 AU

Year: 820 Days

Day: 10.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,128,773 km

• M1: 171,589 km (0.118 R)
• M2: 678,127 km (0.082 R)
• M3: 1,200,224 km (0.06 R)
• M4: 1,636,152 km (0.119 R)
• M5: 2,998,989 km (0.104 R)
• M6: 3,811,155 km (0.089 R)
• M7: 4,378,580 km (0.113 R)
• M8: 4,899,779 km (0.059 R)
• M9: 6,009,346 km (0.068 R)
• M10: 7,257,890 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.5

Radius: 14.4

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.57 AU - 1.81 AU

Year: 1441 Days

Day: 7.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,128,773 km

• M1: 179,667 km (0.115 R)
• M2: 699,220 km (0.027 R)
• M3: 1,697,786 km (0.103 R)
• M4: 2,317,869 km (0.1 R)
• M5: 3,035,939 km (0.104 R)
• M6: 3,676,218 km (0.094 R)
• M7: 4,339,834 km (0.111 R)
• M8: 5,010,182 km (0.106 R)
• M9: 5,709,253 km (0.107 R)
• M10: 6,559,119 km (0.109 R)
• M11: 8,103,118 km (0.106 R)
• M12: 8,773,915 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.7

Radius: 12.1

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.7 AU - 2.1 AU

Year: 1718 Days

Day: 13.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,128,773 km

• M1: 179,667 km (0.094 R)
• M2: 671,994 km (0.056 R)
• M3: 1,452,296 km (0.053 R)
• M4: 1,927,718 km (0.11 R)
• M5: 2,717,296 km (0.057 R)
• M6: 3,539,486 km (0.094 R)
• M7: 4,338,039 km (0.091 R)
• M8: 7,016,888 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.7

Radius: 11.4

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 4.41 AU - 7.21 AU

Year: 9187 Days

Day: 10.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 53,128,773 km

• M1: 144,960 km (0.085 R)
• M2: 723,754 km (0.061 R)
• M3: 1,135,597 km (0.087 R)
• M4: 2,098,260 km (0.096 R)
• M5: 2,868,689 km (0.107 R)
• M6: 4,288,971 km (0.078 R)
• M7: 6,198,737 km (0.063 R)
• M8: 7,029,903 km (0.112 R)
• M9: 7,510,262 km (0.089 R)
• M10: 8,052,105 km (0.067 R)
• M11: 9,388,762 km (0.097 R)
• M12: 9,972,194 km (0.07 R)
• M13: 10,771,346 km (0.111 R)
• M14: 12,075,690 km (0.061 R)
• M15: 16,107,951 km (0.086 R)
• M16: 17,540,799 km (0.055 R)
• M17: 18,219,525 km (0.086 R)
• M18: 18,635,108 km (0.072 R)
• M19: 20,139,613 km (0.112 R)
• M20: 21,110,803 km (0.113 R)
• M21: 21,569,320 km (0.027 R)
• M22: 23,715,900 km (0.111 R)
• M23: 24,378,319 km (0.099 R)
• M24: 28,522,330 km (0.077 R)
• M25: 31,499,028 km (0.114 R)
• M26: 33,941,363 km (0.084 R)
• M27: 36,836,980 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.7

Radius: 13.5

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 5.73 AU - 5.99 AU

Year: 9306 Days

Day: 13.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,128,773 km

• M1: 167,998 km (0.109 R)
• M2: 617,839 km (0.118 R)
• M3: 1,723,966 km (0.109 R)
• M4: 2,146,281 km (0.09 R)
• M5: 2,588,043 km (0.05 R)
• M6: 3,489,969 km (0.108 R)
• M7: 4,442,758 km (0.077 R)
• M8: 12,869,157 km (0.084 R)
• M9: 16,411,186 km (0.041 R)
• M10: 19,596,274 km (0.108 R)
• M11: 23,552,539 km (0.058 R)
• M12: 24,638,919 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 436.3

Radius: 5.2

Gravity: 16.14 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 7.41 AU - 8.43 AU

Year: 14622 Days

Day: 24.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 53,128,773 km

• M1: 65,374 km (0.117 R)
• M2: 411,693 km (0.038 R)
• M3: 780,003 km (0.096 R)
• M4: 1,052,122 km (0.088 R)
• M5: 1,280,109 km (0.081 R)
• M6: 1,886,280 km (0.105 R)
• M7: 2,205,970 km (0.116 R)
• M8: 2,709,217 km (0.043 R)
• M9: 3,236,700 km (0.099 R)
• M10: 3,775,701 km (0.079 R)
• M11: 4,709,341 km (0.084 R)
• M12: 5,162,623 km (0.053 R)
• M13: 5,969,853 km (0.11 R)
• M14: 6,231,499 km (0.107 R)
• M15: 7,875,580 km (0.097 R)
• M16: 9,333,710 km (0.05 R)
• M17: 10,364,589 km (0.093 R)
• M18: 13,270,079 km (0.079 R)
• M19: 15,810,999 km (0.107 R)
• M20: 17,420,971 km (0.115 R)
• M21: 18,265,601 km (0.112 R)
• M22: 27,233,544 km (0.068 R)
• M23: 37,852,749 km (0.105 R)
• M24: 39,396,749 km (0.104 R)
• M25: 45,560,480 km (0.041 R)
• M26: 49,247,619 km (0.058 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 480 - 18,051 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit