🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

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: 830.1

Radius: 8.5

Gravity: 11.49 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.43 AU - 0.69 AU

Year: 284 Days

Day: 11.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,241,289 km

• M1: 110,104 km (0.079 R)
• M2: 403,615 km (0.113 R)
• M3: 698,024 km (0.063 R)
• M4: 1,027,887 km (0.068 R)
• M5: 1,627,924 km (0.107 R)
• M6: 1,999,226 km (0.101 R)
• M7: 2,348,387 km (0.115 R)
• M8: 2,883,798 km (0.098 R)
• M9: 3,266,320 km (0.081 R)
• M10: 3,694,170 km (0.098 R)
• M11: 4,095,691 km (0.119 R)
• M12: 4,499,306 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.6

Radius: 8.1

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.71 AU - 1.03 AU

Year: 550 Days

Day: 10.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,241,289 km

• M1: 100,829 km (0.113 R)
• M2: 415,433 km (0.091 R)
• M3: 728,990 km (0.057 R)
• M4: 1,102,836 km (0.083 R)
• M5: 1,701,825 km (0.102 R)
• M6: 2,678,101 km (0.06 R)
• M7: 3,134,524 km (0.074 R)
• M8: 4,121,122 km (0.091 R)
• M9: 5,221,564 km (0.114 R)
• M10: 5,496,076 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.4

Radius: 11.6

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.33 AU - 1.53 AU

Year: 1160 Days

Day: 6 Hours

Environment

Temp: -193 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,241,289 km

• M1: 144,811 km (0.077 R)
• M2: 536,159 km (0.093 R)
• M3: 899,682 km (0.115 R)
• M4: 1,807,741 km (0.098 R)
• M5: 2,655,961 km (0.096 R)
• M6: 3,337,678 km (0.094 R)
• M7: 3,720,499 km (0.055 R)
• M8: 4,098,682 km (0.059 R)
• M9: 4,780,250 km (0.061 R)
• M10: 6,649,925 km (0.088 R)
• M11: 7,135,220 km (0.097 R)
• M12: 8,536,802 km (0.119 R)
• M13: 9,618,694 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.3

Radius: 8.6

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.34 AU - 2.1 AU

Year: 1530 Days

Day: 13.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,241,289 km

• M1: 111,600 km (0.102 R)
• M2: 467,793 km (0.083 R)
• M3: 769,382 km (0.101 R)
• M4: 1,253,032 km (0.065 R)
• M5: 2,425,729 km (0.029 R)
• M6: 3,006,169 km (0.087 R)
• M7: 3,315,538 km (0.077 R)
• M8: 4,790,872 km (0.104 R)
• M9: 5,406,766 km (0.057 R)
• M10: 6,887,037 km (0.101 R)
• M11: 7,283,920 km (0.039 R)
• M12: 8,620,129 km (0.114 R)
• M13: 9,388,613 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.8

Radius: 13.3

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.72 AU - 2.12 AU

Year: 1804 Days

Day: 13.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,241,289 km

• M1: 165,605 km (0.087 R)
• M2: 1,063,940 km (0.089 R)
• M3: 1,843,943 km (0.025 R)
• M4: 2,522,519 km (0.054 R)
• M5: 3,159,657 km (0.115 R)
• M6: 3,797,093 km (0.075 R)
• M7: 4,499,306 km (0.077 R)
• M8: 5,049,826 km (0.101 R)
• M9: 5,645,076 km (0.057 R)
• M10: 6,361,051 km (0.079 R)
• M11: 7,381,608 km (0.062 R)
• M12: 10,637,007 km (0.093 R)
• M13: 12,461,353 km (0.11 R)
• M14: 13,140,677 km (0.039 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.2

Radius: 14.1

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.6 AU - 2.32 AU

Year: 1861 Days

Day: 12.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,241,289 km

• M1: 175,329 km (0.04 R)
• M2: 1,166,265 km (0.11 R)
• M3: 1,671,158 km (0.109 R)
• M4: 2,142,690 km (0.12 R)
• M5: 2,704,281 km (0.068 R)
• M6: 3,251,809 km (0.1 R)
• M7: 4,036,151 km (0.115 R)
• M8: 5,491,588 km (0.099 R)
• M9: 6,684,332 km (0.116 R)
• M10: 8,251,519 km (0.034 R)
• M11: 8,804,134 km (0.114 R)
• M12: 9,847,729 km (0.094 R)
• M13: 11,008,608 km (0.099 R)
• M14: 12,416,623 km (0.112 R)
• M15: 13,941,774 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.3

Radius: 10.1

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 3.59 AU - 4.13 AU

Year: 5144 Days

Day: 10.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 58,241,289 km

• M1: 127,009 km (0.095 R)
• M2: 563,834 km (0.107 R)
• M3: 1,262,307 km (0.071 R)
• M4: 1,831,676 km (0.114 R)
• M5: 2,244,716 km (0.077 R)
• M6: 2,633,072 km (0.111 R)
• M7: 3,066,158 km (0.067 R)
• M8: 4,507,833 km (0.114 R)
• M9: 5,548,136 km (0.076 R)
• M10: 6,611,627 km (0.114 R)
• M11: 6,972,458 km (0.08 R)
• M12: 8,665,307 km (0.099 R)
• M13: 11,066,652 km (0.114 R)
• M14: 11,861,166 km (0.081 R)
• M15: 12,444,598 km (0.064 R)
• M16: 12,793,610 km (0.038 R)
• M17: 14,148,069 km (0.107 R)
• M18: 14,748,854 km (0.066 R)
• M19: 18,138,891 km (0.119 R)
• M20: 20,806,820 km (0.119 R)
• M21: 23,046,599 km (0.091 R)
• M22: 23,649,778 km (0.119 R)
• M23: 24,263,428 km (0.085 R)
• M24: 26,168,108 km (0.106 R)
• M25: 26,659,537 km (0.089 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.2

Radius: 11.7

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 3.43 AU - 4.63 AU

Year: 5487 Days

Day: 13.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 58,241,289 km

• M1: 145,559 km (0.1 R)
• M2: 607,966 km (0.076 R)
• M3: 986,000 km (0.117 R)
• M4: 1,421,479 km (0.097 R)
• M5: 1,927,868 km (0.037 R)
• M6: 2,347,191 km (0.05 R)
• M7: 2,827,699 km (0.044 R)
• M8: 3,526,022 km (0.107 R)
• M9: 4,259,949 km (0.097 R)
• M10: 5,208,100 km (0.06 R)
• M11: 5,717,032 km (0.111 R)
• M12: 6,593,526 km (0.11 R)
• M13: 8,211,128 km (0.109 R)
• M14: 8,694,927 km (0.097 R)
• M15: 9,456,231 km (0.055 R)
• M16: 10,823,556 km (0.1 R)
• M17: 14,461,925 km (0.117 R)
• M18: 15,409,478 km (0.118 R)
• M19: 16,146,996 km (0.08 R)
• M20: 18,161,182 km (0.105 R)
• M21: 19,975,504 km (0.102 R)
• M22: 22,215,583 km (0.092 R)
• M23: 24,124,452 km (0.107 R)
• M24: 25,541,144 km (0.093 R)
• M25: 26,313,218 km (0.036 R)
• M26: 27,189,263 km (0.076 R)
• M27: 32,359,067 km (0.089 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.2

Radius: 9.1

Gravity: 8.89 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 4.06 AU - 5.24 AU

Year: 6801 Days

Day: 6.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 62.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,241,289 km

• M1: 113,096 km (0.092 R)
• M2: 494,720 km (0.105 R)
• M3: 1,835,715 km (0.096 R)
• M4: 2,741,531 km (0.116 R)
• M5: 9,444,712 km (0.111 R)
• M6: 10,557,870 km (0.106 R)
• M7: 15,206,474 km (0.037 R)
• M8: 16,212,370 km (0.109 R)
• M9: 20,306,864 km (0.094 R)
• M10: 25,824,183 km (0.065 R)
• M11: 26,443,368 km (0.032 R)
• M12: 28,173,917 km (0.111 R)
• M13: 29,496,362 km (0.099 R)
• M14: 30,564,191 km (0.111 R)
• M15: 31,657,453 km (0.069 R)
• M16: 34,451,492 km (0.059 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 339.7

Radius: 7.8

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 7.88 AU - 10.58 AU

Year: 19019 Days

Day: 18.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 58,241,289 km

• M1: 100,231 km (0.114 R)
• M2: 741,856 km (0.104 R)
• M3: 1,072,467 km (0.101 R)
• M4: 1,620,295 km (0.084 R)
• M5: 1,949,260 km (0.038 R)
• M6: 2,263,416 km (0.034 R)
• M7: 2,698,297 km (0.118 R)
• M8: 3,846,161 km (0.117 R)
• M9: 4,343,574 km (0.048 R)
• M10: 5,756,526 km (0.099 R)
• M11: 9,406,116 km (0.111 R)
• M12: 11,266,515 km (0.111 R)
• M13: 11,618,668 km (0.106 R)
• M14: 15,991,264 km (0.067 R)
• M15: 18,218,627 km (0.116 R)
• M16: 22,716,137 km (0.108 R)
• M17: 24,333,440 km (0.084 R)
• M18: 28,223,583 km (0.113 R)
• M19: 31,689,018 km (0.118 R)
• M20: 34,559,352 km (0.086 R)
• M21: 37,209,179 km (0.091 R)
• M22: 37,728,882 km (0.112 R)
• M23: 40,811,197 km (0.084 R)
• M24: 44,057,471 km (0.062 R)
• M25: 46,264,937 km (0.072 R)
• M26: 47,168,209 km (0.077 R)
• M27: 51,058,651 km (0.091 R)
• M28: 51,378,790 km (0.07 R)
• M29: 51,861,543 km (0.089 R)
• M30: 52,672,812 km (0.107 R)
• M31: 53,492,608 km (0.051 R)
• M32: 55,494,826 km (0.081 R)
• M33: 57,373,476 km (0.102 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 289 - 11,219 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit