🌌 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: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.1

Radius: 8.1

Gravity: 14.63 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.49 AU - 0.57 AU

Year: 262 Days

Day: 10.9 Hours

Environment

Temp: -137 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 87,949,100 km

• M1: 101,577 km (0.089 R)
• M2: 458,517 km (0.116 R)
• M3: 766,539 km (0.112 R)
• M4: 1,151,156 km (0.073 R)
• M5: 1,455,438 km (0.099 R)
• M6: 1,799,363 km (0.107 R)
• M7: 2,238,134 km (0.038 R)
• M8: 2,737,192 km (0.1 R)
• M9: 3,286,665 km (0.057 R)
• M10: 3,692,524 km (0.084 R)
• M11: 4,018,498 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268

Radius: 12.8

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.03 AU - 1.05 AU

Year: 719 Days

Day: 9.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 87,949,100 km

• M1: 159,322 km (0.082 R)
• M2: 569,070 km (0.115 R)
• M3: 1,224,159 km (0.099 R)
• M4: 2,082,103 km (0.077 R)
• M5: 2,771,600 km (0.114 R)
• M6: 4,224,345 km (0.05 R)
• M7: 4,802,092 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.8

Radius: 8.2

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.66 AU - 1.84 AU

Year: 1570 Days

Day: 8.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 87,949,100 km

• M1: 103,372 km (0.098 R)
• M2: 383,719 km (0.062 R)
• M3: 735,722 km (0.045 R)
• M4: 1,568,982 km (0.117 R)
• M5: 1,874,611 km (0.11 R)
• M6: 4,822,587 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.7

Radius: 8

Gravity: 10.65 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.38 AU - 3.88 AU

Year: 3756 Days

Day: 5.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 87,949,100 km

• M1: 113,096 km (0.043 R)
• M2: 363,672 km (0.054 R)
• M3: 686,056 km (0.107 R)
• M4: 1,200,224 km (0.081 R)
• M5: 1,537,567 km (0.119 R)
• M6: 3,449,278 km (0.111 R)
• M7: 5,352,462 km (0.042 R)
• M8: 6,274,284 km (0.075 R)
• M9: 6,726,668 km (0.1 R)
• M10: 8,109,701 km (0.096 R)
• M11: 8,573,753 km (0.083 R)
• M12: 9,207,151 km (0.12 R)
• M13: 12,851,055 km (0.11 R)
• M14: 13,630,610 km (0.074 R)
• M15: 15,499,237 km (0.036 R)
• M16: 16,102,715 km (0.106 R)
• M17: 16,608,056 km (0.071 R)
• M18: 17,887,866 km (0.058 R)
• M19: 18,859,056 km (0.105 R)
• M20: 20,446,289 km (0.079 R)
• M21: 21,642,922 km (0.045 R)
• M22: 23,238,832 km (0.098 R)
• M23: 23,524,265 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.7

Radius: 12

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 3.57 AU - 3.89 AU

Year: 4886 Days

Day: 13.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 87,949,100 km

• M1: 149,299 km (0.052 R)
• M2: 764,296 km (0.067 R)
• M3: 1,298,210 km (0.111 R)
• M4: 1,773,782 km (0.11 R)
• M5: 2,271,045 km (0.112 R)
• M6: 3,679,210 km (0.039 R)
• M7: 4,061,881 km (0.115 R)
• M8: 4,673,437 km (0.041 R)
• M9: 5,690,853 km (0.084 R)
• M10: 6,267,852 km (0.03 R)
• M11: 7,468,374 km (0.06 R)
• M12: 8,198,562 km (0.081 R)
• M13: 8,776,907 km (0.068 R)
• M14: 10,058,811 km (0.069 R)
• M15: 10,767,307 km (0.108 R)
• M16: 12,333,896 km (0.096 R)
• M17: 12,786,429 km (0.074 R)
• M18: 13,512,278 km (0.083 R)
• M19: 17,310,269 km (0.119 R)
• M20: 27,019,919 km (0.102 R)
• M21: 28,301,972 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.8

Radius: 11.2

Gravity: 6.72 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 3.49 AU - 4.45 AU

Year: 5365 Days

Day: 14.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 87,949,100 km

• M1: 139,276 km (0.051 R)
• M2: 489,185 km (0.1 R)
• M3: 1,078,750 km (0.098 R)
• M4: 1,526,197 km (0.079 R)
• M5: 2,623,647 km (0.105 R)
• M6: 3,095,479 km (0.089 R)
• M7: 3,448,081 km (0.118 R)
• M8: 4,915,487 km (0.062 R)
• M9: 5,457,330 km (0.11 R)
• M10: 5,913,005 km (0.1 R)
• M11: 6,660,995 km (0.111 R)
• M12: 7,217,648 km (0.066 R)
• M13: 7,655,372 km (0.089 R)
• M14: 9,286,437 km (0.077 R)
• M15: 10,206,464 km (0.117 R)
• M16: 10,947,273 km (0.096 R)
• M17: 15,318,972 km (0.063 R)
• M18: 16,601,923 km (0.055 R)
• M19: 17,109,060 km (0.103 R)
• M20: 18,154,450 km (0.115 R)
• M21: 18,557,317 km (0.092 R)
• M22: 19,241,877 km (0.119 R)
• M23: 20,953,725 km (0.052 R)
• M24: 21,771,277 km (0.06 R)
• M25: 32,810,403 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 370.2

Radius: 3.2

Gravity: 36.15 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 9.65 AU - 11.75 AU

Year: 23739 Days

Day: 23.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 87,949,100 km

• M1: 62,682 km (0.113 R)
• M2: 884,722 km (0.026 R)
• M3: 1,177,784 km (0.079 R)
• M4: 1,877,453 km (0.116 R)
• M5: 2,423,486 km (0.116 R)
• M6: 3,225,928 km (0.112 R)
• M7: 3,557,138 km (0.101 R)
• M8: 4,550,917 km (0.081 R)
• M9: 7,815,741 km (0.119 R)
• M10: 9,414,643 km (0.054 R)
• M11: 12,431,583 km (0.119 R)
• M12: 12,630,847 km (0.083 R)
• M13: 13,035,510 km (0.062 R)
• M14: 17,156,183 km (0.07 R)
• M15: 20,645,553 km (0.084 R)
• M16: 24,371,887 km (0.081 R)
• M17: 27,499,679 km (0.118 R)
• M18: 30,522,454 km (0.115 R)
• M19: 32,363,106 km (0.109 R)
• M20: 45,138,614 km (0.088 R)
• M21: 49,323,764 km (0.089 R)
• M22: 65,596,722 km (0.047 R)
• M23: 67,010,122 km (0.064 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 736.3

Radius: 7

Gravity: 15.03 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 9.87 AU - 11.67 AU

Year: 23973 Days

Day: 22.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 87,949,100 km

• M1: 87,216 km (0.082 R)
• M2: 608,115 km (0.11 R)
• M3: 3,075,433 km (0.116 R)
• M4: 3,449,727 km (0.07 R)
• M5: 4,186,347 km (0.111 R)
• M6: 4,908,157 km (0.061 R)
• M7: 5,460,921 km (0.1 R)
• M8: 6,321,557 km (0.11 R)
• M9: 6,596,518 km (0.092 R)
• M10: 7,170,675 km (0.111 R)
• M11: 9,503,354 km (0.074 R)
• M12: 10,873,372 km (0.098 R)
• M13: 11,135,766 km (0.114 R)
• M14: 14,388,473 km (0.095 R)
• M15: 14,625,585 km (0.073 R)
• M16: 15,352,332 km (0.036 R)
• M17: 16,703,500 km (0.069 R)
• M18: 16,965,296 km (0.115 R)
• M19: 25,118,081 km (0.115 R)
• M20: 30,094,753 km (0.116 R)
• M21: 31,401,191 km (0.099 R)
• M22: 41,144,052 km (0.054 R)
• M23: 46,092,151 km (0.101 R)
• M24: 47,475,782 km (0.085 R)
• M25: 49,243,729 km (0.112 R)
• M26: 51,792,129 km (0.117 R)
• M27: 63,076,895 km (0.095 R)
• M28: 71,675,332 km (0.075 R)
• M29: 73,764,765 km (0.082 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 254 - 20,000 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit