🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.6

Radius: 10.9

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.61 AU - 0.77 AU

Year: 382 Days

Day: 13.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 38,842,223 km

• M1: 135,536 km (0.12 R)
• M2: 497,563 km (0.104 R)
• M3: 849,566 km (0.03 R)
• M4: 1,201,420 km (0.106 R)
• M5: 1,595,012 km (0.097 R)
• M6: 2,068,490 km (0.113 R)
• M7: 2,458,491 km (0.069 R)
• M8: 3,122,706 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.5

Radius: 8.3

Gravity: 13.13 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.64 AU - 0.74 AU

Year: 382 Days

Day: 7.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,842,223 km

• M1: 103,223 km (0.057 R)
• M2: 402,717 km (0.054 R)
• M3: 831,764 km (0.104 R)
• M4: 1,247,347 km (0.102 R)
• M5: 1,684,023 km (0.086 R)
• M6: 2,157,800 km (0.119 R)
• M7: 2,718,044 km (0.109 R)
• M8: 3,016,192 km (0.059 R)
• M9: 3,691,477 km (0.111 R)
• M10: 4,209,086 km (0.064 R)
• M11: 4,492,723 km (0.111 R)
• M12: 4,774,117 km (0.081 R)
• M13: 5,210,344 km (0.098 R)
• M14: 5,966,861 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.8

Radius: 10.7

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.57 AU - 0.83 AU

Year: 391 Days

Day: 11.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 69 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,842,223 km

• M1: 132,993 km (0.104 R)
• M2: 518,357 km (0.092 R)
• M3: 940,073 km (0.11 R)
• M4: 1,573,470 km (0.088 R)
• M5: 1,934,450 km (0.115 R)
• M6: 2,500,080 km (0.102 R)
• M7: 3,205,134 km (0.083 R)
• M8: 3,757,300 km (0.106 R)
• M9: 4,614,197 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400

Radius: 10.5

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.6 AU - 0.84 AU

Year: 407 Days

Day: 13.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,842,223 km

• M1: 130,599 km (0.091 R)
• M2: 526,285 km (0.098 R)
• M3: 958,174 km (0.096 R)
• M4: 1,397,394 km (0.059 R)
• M5: 1,781,561 km (0.075 R)
• M6: 2,510,252 km (0.06 R)
• M7: 3,003,776 km (0.065 R)
• M8: 3,561,177 km (0.09 R)
• M9: 4,085,667 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.6

Radius: 14.3

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.02 AU - 1.24 AU

Year: 801 Days

Day: 5.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 38,842,223 km

• M1: 177,872 km (0.085 R)
• M2: 630,555 km (0.093 R)
• M3: 1,111,063 km (0.102 R)
• M4: 1,840,054 km (0.101 R)
• M5: 2,598,365 km (0.116 R)
• M6: 3,222,787 km (0.057 R)
• M7: 4,021,490 km (0.085 R)
• M8: 5,836,711 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879

Radius: 12.9

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 3.13 AU - 3.63 AU

Year: 4144 Days

Day: 8.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 38,842,223 km

• M1: 161,865 km (0.034 R)
• M2: 610,359 km (0.068 R)
• M3: 1,086,230 km (0.084 R)
• M4: 1,514,978 km (0.112 R)
• M5: 2,030,791 km (0.091 R)
• M6: 2,563,060 km (0.069 R)
• M7: 3,526,919 km (0.047 R)
• M8: 4,002,042 km (0.085 R)
• M9: 5,325,684 km (0.113 R)
• M10: 6,890,179 km (0.089 R)
• M11: 8,288,171 km (0.08 R)
• M12: 9,536,565 km (0.118 R)
• M13: 10,640,149 km (0.069 R)
• M14: 12,161,409 km (0.108 R)
• M15: 13,875,801 km (0.051 R)
• M16: 15,631,781 km (0.095 R)
• M17: 18,029,535 km (0.11 R)
• M18: 18,729,803 km (0.11 R)
• M19: 19,250,404 km (0.098 R)
• M20: 21,430,194 km (0.06 R)
• M21: 23,021,168 km (0.086 R)
• M22: 25,712,433 km (0.105 R)
• M23: 27,092,623 km (0.102 R)
• M24: 28,265,919 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.6

Radius: 9.2

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 3.53 AU - 4.17 AU

Year: 5038 Days

Day: 8.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,842,223 km

• M1: 118,033 km (0.084 R)
• M2: 550,670 km (0.089 R)
• M3: 972,685 km (0.118 R)
• M4: 4,923,416 km (0.078 R)
• M5: 5,519,563 km (0.098 R)
• M6: 7,311,297 km (0.104 R)
• M7: 7,977,306 km (0.071 R)
• M8: 9,066,229 km (0.081 R)
• M9: 11,327,102 km (0.046 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.2

Radius: 11.4

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 4.77 AU - 5.45 AU

Year: 7703 Days

Day: 9 Hours

Environment

Temp: -226 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 38,842,223 km

• M1: 145,858 km (0.045 R)
• M2: 523,742 km (0.082 R)
• M3: 963,709 km (0.082 R)
• M4: 1,716,037 km (0.025 R)
• M5: 2,486,915 km (0.041 R)
• M6: 2,879,909 km (0.116 R)
• M7: 3,255,399 km (0.052 R)
• M8: 4,785,785 km (0.076 R)
• M9: 5,398,987 km (0.061 R)
• M10: 6,782,468 km (0.045 R)
• M11: 7,213,310 km (0.062 R)
• M12: 9,443,814 km (0.099 R)
• M13: 13,599,494 km (0.042 R)
• M14: 14,019,564 km (0.054 R)
• M15: 18,199,030 km (0.048 R)
• M16: 18,838,561 km (0.03 R)
• M17: 19,825,907 km (0.116 R)
• M18: 21,903,522 km (0.108 R)
• M19: 25,365,366 km (0.117 R)
• M20: 25,922,319 km (0.089 R)
• M21: 26,487,350 km (0.114 R)
• M22: 28,658,614 km (0.103 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.3

Radius: 10.4

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 3.97 AU - 6.25 AU

Year: 7703 Days

Day: 14.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 38,842,223 km

• M1: 129,402 km (0.093 R)
• M2: 498,161 km (0.11 R)
• M3: 841,638 km (0.059 R)
• M4: 1,293,872 km (0.084 R)
• M5: 2,700,990 km (0.113 R)
• M6: 3,207,229 km (0.092 R)
• M7: 4,200,110 km (0.104 R)
• M8: 5,860,197 km (0.105 R)
• M9: 7,959,504 km (0.116 R)
• M10: 11,309,749 km (0.086 R)
• M11: 11,668,784 km (0.083 R)
• M12: 12,626,958 km (0.109 R)
• M13: 14,760,224 km (0.074 R)
• M14: 16,856,389 km (0.119 R)
• M15: 19,507,712 km (0.089 R)
• M16: 20,099,372 km (0.061 R)
• M17: 20,626,854 km (0.113 R)
• M18: 22,025,743 km (0.098 R)
• M19: 24,325,960 km (0.089 R)
• M20: 27,328,838 km (0.037 R)
• M21: 28,824,069 km (0.118 R)
• M22: 29,883,072 km (0.078 R)
• M23: 33,007,274 km (0.072 R)
• M24: 33,425,699 km (0.086 R)
• M25: 35,790,393 km (0.091 R)
• M26: 36,121,303 km (0.111 R)
• M27: 38,034,959 km (0.109 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 400 - 18,153 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit