🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.6

Radius: 14.1

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.47 AU - 0.65 AU

Year: 279 Days

Day: 11.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 76,868,687 km

• M1: 175,329 km (0.106 R)
• M2: 689,048 km (0.093 R)
• M3: 1,157,289 km (0.084 R)
• M4: 1,784,703 km (0.118 R)
• M5: 2,369,780 km (0.079 R)
• M6: 3,400,509 km (0.117 R)
• M7: 3,872,640 km (0.114 R)
• M8: 4,323,378 km (0.08 R)
• M9: 4,837,247 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.1

Radius: 8.4

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.63 AU - 0.81 AU

Year: 407 Days

Day: 7.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,868,687 km

• M1: 104,569 km (0.108 R)
• M2: 409,300 km (0.1 R)
• M3: 752,477 km (0.104 R)
• M4: 1,177,934 km (0.118 R)
• M5: 1,522,458 km (0.109 R)
• M6: 1,933,702 km (0.061 R)
• M7: 2,195,050 km (0.084 R)
• M8: 2,636,513 km (0.086 R)
• M9: 3,386,746 km (0.119 R)
• M10: 4,155,230 km (0.1 R)
• M11: 4,512,470 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318

Radius: 9.7

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.89 AU - 0.95 AU

Year: 588 Days

Day: 8 Hours

Environment

Temp: -168 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,868,687 km

• M1: 120,725 km (0.031 R)
• M2: 521,947 km (0.115 R)
• M3: 1,143,526 km (0.115 R)
• M4: 1,721,871 km (0.099 R)
• M5: 2,112,172 km (0.107 R)
• M6: 2,504,119 km (0.108 R)
• M7: 3,172,223 km (0.117 R)
• M8: 3,814,147 km (0.067 R)
• M9: 4,288,373 km (0.096 R)
• M10: 4,698,720 km (0.102 R)
• M11: 5,387,468 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.8

Radius: 10.7

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.32 AU - 2.18 AU

Year: 1544 Days

Day: 6 Hours

Environment

Temp: -187 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,868,687 km

• M1: 133,142 km (0.09 R)
• M2: 471,084 km (0.067 R)
• M3: 1,402,480 km (0.066 R)
• M4: 1,914,703 km (0.107 R)
• M5: 2,535,834 km (0.074 R)
• M6: 3,318,530 km (0.11 R)
• M7: 3,697,760 km (0.076 R)
• M8: 5,205,856 km (0.073 R)
• M9: 5,978,081 km (0.117 R)
• M10: 6,669,821 km (0.05 R)
• M11: 8,154,131 km (0.098 R)
• M12: 14,472,846 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.8

Radius: 13

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.19 AU - 4.63 AU

Year: 5156 Days

Day: 10 Hours

Environment

Temp: -225 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,868,687 km

• M1: 161,715 km (0.106 R)
• M2: 783,893 km (0.105 R)
• M3: 1,217,128 km (0.032 R)
• M4: 1,802,355 km (0.08 R)
• M5: 3,061,820 km (0.12 R)
• M6: 4,684,358 km (0.048 R)
• M7: 5,139,884 km (0.117 R)
• M8: 5,955,192 km (0.11 R)
• M9: 6,491,052 km (0.04 R)
• M10: 7,302,470 km (0.1 R)
• M11: 7,843,117 km (0.081 R)
• M12: 8,964,652 km (0.092 R)
• M13: 11,621,062 km (0.104 R)
• M14: 15,280,375 km (0.059 R)
• M15: 16,409,241 km (0.098 R)
• M16: 18,501,367 km (0.106 R)
• M17: 19,101,404 km (0.114 R)
• M18: 21,633,049 km (0.088 R)
• M19: 26,504,404 km (0.059 R)
• M20: 27,784,364 km (0.045 R)
• M21: 29,735,569 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 167.5

Radius: 4.3

Gravity: 9.06 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 7.11 AU - 7.21 AU

Year: 12776 Days

Day: 15.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 76,868,687 km

• M1: 64,028 km (0.099 R)
• M2: 310,715 km (0.083 R)
• M3: 454,927 km (0.038 R)
• M4: 1,073,066 km (0.107 R)
• M5: 1,564,345 km (0.105 R)
• M6: 1,852,919 km (0.117 R)
• M7: 2,143,737 km (0.066 R)
• M8: 2,739,586 km (0.07 R)
• M9: 2,894,420 km (0.048 R)
• M10: 4,098,533 km (0.109 R)
• M11: 4,922,967 km (0.106 R)
• M12: 6,375,412 km (0.111 R)
• M13: 7,108,292 km (0.044 R)
• M14: 7,364,554 km (0.114 R)
• M15: 7,741,391 km (0.112 R)
• M16: 8,492,522 km (0.061 R)
• M17: 8,906,758 km (0.058 R)
• M18: 9,465,356 km (0.083 R)
• M19: 13,593,510 km (0.092 R)
• M20: 19,411,820 km (0.089 R)
• M21: 21,847,423 km (0.102 R)
• M22: 22,001,209 km (0.083 R)
• M23: 22,702,374 km (0.056 R)
• M24: 24,479,148 km (0.053 R)
• M25: 26,259,513 km (0.064 R)
• M26: 27,048,193 km (0.111 R)
• M27: 30,361,486 km (0.099 R)
• M28: 31,035,724 km (0.098 R)
• M29: 31,621,400 km (0.032 R)
• M30: 32,614,131 km (0.119 R)
• M31: 33,935,379 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 492.1

Radius: 5.6

Gravity: 15.69 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 6.71 AU - 9.45 AU

Year: 15316 Days

Day: 18.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,868,687 km

• M1: 69,713 km (0.1 R)
• M2: 454,329 km (0.112 R)
• M3: 790,326 km (0.12 R)
• M4: 3,501,338 km (0.099 R)
• M5: 4,630,952 km (0.047 R)
• M6: 5,909,415 km (0.07 R)
• M7: 8,941,166 km (0.057 R)
• M8: 11,013,844 km (0.042 R)
• M9: 12,748,282 km (0.096 R)
• M10: 13,321,541 km (0.055 R)
• M11: 13,581,841 km (0.118 R)
• M12: 13,912,004 km (0.068 R)
• M13: 15,787,662 km (0.115 R)
• M14: 22,598,703 km (0.086 R)
• M15: 24,008,364 km (0.106 R)
• M16: 51,265,694 km (0.107 R)
• M17: 54,019,342 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 691.8

Radius: 6.5

Gravity: 16.37 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 8.27 AU - 11.17 AU

Year: 20208 Days

Day: 21.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,868,687 km

• M1: 82,877 km (0.106 R)
• M2: 334,800 km (0.083 R)
• M3: 615,894 km (0.106 R)
• M4: 1,052,122 km (0.105 R)
• M5: 1,461,870 km (0.083 R)
• M6: 1,877,154 km (0.042 R)
• M7: 4,921,920 km (0.07 R)
• M8: 14,451,603 km (0.096 R)
• M9: 26,419,134 km (0.116 R)
• M10: 34,864,532 km (0.078 R)
• M11: 37,653,485 km (0.093 R)
• M12: 39,248,946 km (0.091 R)
• M13: 41,496,654 km (0.103 R)
• M14: 44,785,414 km (0.1 R)
• M15: 55,686,760 km (0.108 R)
• M16: 71,471,580 km (0.035 R)
• M17: 71,911,397 km (0.117 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 180 - 14,202 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit