🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.9

Radius: 14.5

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1 AU - 1.01 AU

Year: 703 Days

Day: 7.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 67,238,579 km

• M1: 180,565 km (0.116 R)
• M2: 790,475 km (0.105 R)
• M3: 1,486,105 km (0.026 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.8

Radius: 14

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.9 AU - 1.28 AU

Year: 800 Days

Day: 11.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,238,579 km

• M1: 174,132 km (0.106 R)
• M2: 717,322 km (0.05 R)
• M3: 1,186,760 km (0.086 R)
• M4: 1,706,014 km (0.048 R)
• M5: 2,283,462 km (0.094 R)
• M6: 2,977,895 km (0.078 R)
• M7: 3,479,347 km (0.107 R)
• M8: 4,146,404 km (0.112 R)
• M9: 4,792,667 km (0.097 R)
• M10: 5,998,575 km (0.07 R)
• M11: 6,521,420 km (0.061 R)
• M12: 6,961,537 km (0.083 R)
• M13: 7,926,443 km (0.093 R)
• M14: 9,086,275 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.2

Radius: 14.2

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.15 AU - 1.27 AU

Year: 936 Days

Day: 12 Hours

Environment

Temp: -180 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,238,579 km

• M1: 176,525 km (0.093 R)
• M2: 1,005,896 km (0.065 R)
• M3: 1,715,140 km (0.093 R)
• M4: 2,962,187 km (0.087 R)
• M5: 3,434,019 km (0.12 R)
• M6: 3,972,422 km (0.044 R)
• M7: 4,513,966 km (0.12 R)
• M8: 5,479,471 km (0.074 R)
• M9: 6,329,785 km (0.102 R)
• M10: 6,952,411 km (0.113 R)
• M11: 8,320,783 km (0.072 R)
• M12: 8,786,781 km (0.061 R)
• M13: 9,983,264 km (0.069 R)
• M14: 11,022,970 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.4

Radius: 14.9

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.2 AU - 1.6 AU

Year: 1164 Days

Day: 14.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,238,579 km

• M1: 186,997 km (0.095 R)
• M2: 784,342 km (0.06 R)
• M3: 1,297,612 km (0.11 R)
• M4: 3,761,339 km (0.086 R)
• M5: 4,243,792 km (0.038 R)
• M6: 5,114,751 km (0.069 R)
• M7: 5,991,395 km (0.1 R)
• M8: 6,512,743 km (0.056 R)
• M9: 7,238,443 km (0.117 R)
• M10: 9,084,331 km (0.05 R)
• M11: 11,159,552 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.8

Radius: 11.8

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.68 AU - 2.4 AU

Year: 2048 Days

Day: 9.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,238,579 km

• M1: 146,756 km (0.028 R)
• M2: 523,742 km (0.075 R)
• M3: 1,054,815 km (0.115 R)
• M4: 1,793,230 km (0.064 R)
• M5: 2,175,003 km (0.055 R)
• M6: 2,838,470 km (0.055 R)
• M7: 3,901,812 km (0.113 R)
• M8: 4,551,964 km (0.104 R)
• M9: 5,037,708 km (0.075 R)
• M10: 5,938,437 km (0.07 R)
• M11: 7,089,144 km (0.096 R)
• M12: 8,139,171 km (0.073 R)
• M13: 9,348,670 km (0.103 R)
• M14: 10,934,557 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.1

Radius: 14.9

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 3.07 AU - 3.81 AU

Year: 4485 Days

Day: 11.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 105.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,238,579 km

• M1: 185,651 km (0.082 R)
• M2: 710,141 km (0.117 R)
• M3: 1,400,984 km (0.097 R)
• M4: 2,125,487 km (0.027 R)
• M5: 2,660,449 km (0.104 R)
• M6: 3,345,607 km (0.115 R)
• M7: 4,217,164 km (0.087 R)
• M8: 5,774,328 km (0.079 R)
• M9: 6,412,812 km (0.072 R)
• M10: 6,963,930 km (0.113 R)
• M11: 10,210,803 km (0.058 R)
• M12: 12,434,874 km (0.113 R)
• M13: 13,555,512 km (0.1 R)
• M14: 16,352,094 km (0.101 R)
• M15: 17,323,134 km (0.095 R)
• M16: 22,988,256 km (0.106 R)
• M17: 25,709,441 km (0.079 R)
• M18: 27,357,411 km (0.084 R)
• M19: 29,250,423 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.9

Radius: 10.4

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.25 AU - 3.91 AU

Year: 4761 Days

Day: 11.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,238,579 km

• M1: 129,402 km (0.079 R)
• M2: 471,084 km (0.067 R)
• M3: 962,214 km (0.109 R)
• M4: 2,463,129 km (0.059 R)
• M5: 3,383,006 km (0.096 R)
• M6: 4,494,369 km (0.104 R)
• M7: 6,403,088 km (0.119 R)
• M8: 6,884,644 km (0.096 R)
• M9: 12,601,825 km (0.055 R)
• M10: 13,848,275 km (0.105 R)
• M11: 16,251,864 km (0.026 R)
• M12: 18,079,651 km (0.032 R)
• M13: 20,746,382 km (0.052 R)
• M14: 21,601,783 km (0.101 R)
• M15: 22,824,596 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 74.5

Radius: 7.5

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 5.34 AU - 7.9 AU

Year: 11973 Days

Day: 20.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 67,238,579 km

• M1: 93,349 km (0.06 R)
• M2: 355,893 km (0.09 R)
• M3: 794,215 km (0.058 R)
• M4: 1,059,602 km (0.117 R)
• M5: 1,726,060 km (0.048 R)
• M6: 2,038,720 km (0.104 R)
• M7: 2,482,726 km (0.084 R)
• M8: 2,953,810 km (0.102 R)
• M9: 4,118,429 km (0.052 R)
• M10: 5,399,436 km (0.104 R)
• M11: 5,899,093 km (0.108 R)
• M12: 9,293,319 km (0.109 R)
• M13: 9,970,100 km (0.105 R)
• M14: 10,425,176 km (0.036 R)
• M15: 11,466,378 km (0.089 R)
• M16: 16,046,915 km (0.091 R)
• M17: 19,209,264 km (0.053 R)
• M18: 20,768,972 km (0.075 R)
• M19: 21,104,370 km (0.105 R)
• M20: 22,764,158 km (0.12 R)
• M21: 23,771,550 km (0.119 R)
• M22: 25,720,960 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 660.8

Radius: 5.9

Gravity: 18.98 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 5.45 AU - 7.83 AU

Year: 12027 Days

Day: 21.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 67,238,579 km

• M1: 73,752 km (0.108 R)
• M2: 749,934 km (0.096 R)
• M3: 1,197,980 km (0.047 R)
• M4: 1,960,929 km (0.046 R)
• M5: 2,386,535 km (0.086 R)
• M6: 3,246,274 km (0.102 R)
• M7: 3,759,993 km (0.069 R)
• M8: 4,476,267 km (0.034 R)
• M9: 4,786,982 km (0.053 R)
• M10: 5,012,875 km (0.107 R)
• M11: 6,025,952 km (0.071 R)
• M12: 6,719,637 km (0.104 R)
• M13: 8,876,090 km (0.077 R)
• M14: 9,119,187 km (0.103 R)
• M15: 11,397,712 km (0.085 R)
• M16: 12,154,977 km (0.068 R)
• M17: 12,821,435 km (0.106 R)
• M18: 14,095,411 km (0.099 R)
• M19: 15,104,598 km (0.056 R)
• M20: 15,451,515 km (0.114 R)
• M21: 18,029,984 km (0.095 R)
• M22: 18,896,305 km (0.047 R)
• M23: 19,461,636 km (0.09 R)
• M24: 22,102,188 km (0.103 R)
• M25: 23,002,468 km (0.116 R)
• M26: 23,369,282 km (0.102 R)
• M27: 25,849,614 km (0.115 R)
• M28: 28,394,873 km (0.056 R)
• M29: 28,817,038 km (0.107 R)
• M30: 29,136,429 km (0.064 R)
• M31: 30,879,843 km (0.043 R)
• M32: 34,933,496 km (0.119 R)
• M33: 38,678,829 km (0.057 R)
• M34: 38,937,633 km (0.1 R)
• M35: 41,454,318 km (0.083 R)
• M36: 43,936,446 km (0.091 R)
• M37: 44,218,288 km (0.112 R)
• M38: 45,934,325 km (0.096 R)
• M39: 48,290,641 km (0.061 R)
• M40: 49,956,713 km (0.062 R)
• M41: 51,347,973 km (0.115 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 546.5

Radius: 3.7

Gravity: 39.92 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 8.62 AU - 9.14 AU

Year: 18601 Days

Day: 21.7 Hours

Environment

Temp: -243 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 67,238,579 km

• M1: 46,076 km (0.112 R)
• M2: 177,273 km (0.069 R)
• M3: 1,398,142 km (0.095 R)
• M4: 1,878,351 km (0.108 R)
• M5: 2,028,398 km (0.116 R)
• M6: 4,155,679 km (0.102 R)
• M7: 4,346,267 km (0.081 R)
• M8: 5,204,061 km (0.085 R)
• M9: 5,848,080 km (0.108 R)
• M10: 6,801,916 km (0.097 R)
• M11: 9,117,392 km (0.109 R)
• M12: 9,277,462 km (0.083 R)
• M13: 10,803,809 km (0.083 R)
• M14: 11,972,916 km (0.11 R)
• M15: 12,294,103 km (0.058 R)
• M16: 12,489,627 km (0.083 R)
• M17: 16,529,368 km (0.106 R)
• M18: 17,007,782 km (0.034 R)
• M19: 18,841,553 km (0.094 R)
• M20: 19,451,613 km (0.081 R)
• M21: 20,345,610 km (0.09 R)
• M22: 21,928,056 km (0.048 R)
• M23: 22,700,280 km (0.078 R)
• M24: 26,077,751 km (0.096 R)
• M25: 27,941,741 km (0.1 R)
• M26: 31,202,226 km (0.09 R)
• M27: 31,323,101 km (0.087 R)
• M28: 34,967,305 km (0.112 R)
• M29: 37,501,942 km (0.033 R)
• M30: 42,190,639 km (0.052 R)
• M31: 43,383,383 km (0.088 R)
• M32: 50,847,419 km (0.1 R)
• M33: 51,014,968 km (0.096 R)
• M34: 52,881,501 km (0.112 R)
• M35: 56,211,998 km (0.074 R)
• M36: 64,260,065 km (0.082 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 229 - 11,824 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit