🌌 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: 148.8

Radius: 8.1

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.43 AU - 0.63 AU

Year: 266 Days

Day: 6.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 50,265,472 km

• M1: 102,774 km (0.029 R)
• M2: 385,963 km (0.1 R)
• M3: 778,807 km (0.027 R)
• M4: 1,308,832 km (0.079 R)
• M5: 2,312,633 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.5

Radius: 11.6

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.57 AU - 0.85 AU

Year: 413 Days

Day: 14.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,265,472 km

• M1: 144,212 km (0.104 R)
• M2: 519,254 km (0.099 R)
• M3: 1,324,390 km (0.099 R)
• M4: 1,893,460 km (0.049 R)
• M5: 2,449,067 km (0.12 R)
• M6: 2,948,574 km (0.117 R)
• M7: 3,349,646 km (0.102 R)
• M8: 4,126,956 km (0.099 R)
• M9: 4,734,025 km (0.104 R)
• M10: 5,160,678 km (0.108 R)
• M11: 5,530,334 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.7

Radius: 9.9

Gravity: 7.23 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.74 AU - 0.78 AU

Year: 457 Days

Day: 5.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,265,472 km

• M1: 124,465 km (0.064 R)
• M2: 669,450 km (0.11 R)
• M3: 1,012,478 km (0.049 R)
• M4: 1,339,649 km (0.079 R)
• M5: 1,723,517 km (0.118 R)
• M6: 2,128,030 km (0.026 R)
• M7: 2,951,716 km (0.095 R)
• M8: 3,547,714 km (0.099 R)
• M9: 3,974,815 km (0.072 R)
• M10: 4,687,200 km (0.091 R)
• M11: 5,186,409 km (0.071 R)
• M12: 5,877,551 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.8

Radius: 8.6

Gravity: 13.26 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.77 AU - 0.81 AU

Year: 485 Days

Day: 9 Hours

Environment

Temp: -154 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,265,472 km

• M1: 107,262 km (0.119 R)
• M2: 375,341 km (0.12 R)
• M3: 650,003 km (0.115 R)
• M4: 929,152 km (0.115 R)
• M5: 1,227,151 km (0.074 R)
• M6: 1,736,682 km (0.109 R)
• M7: 2,076,867 km (0.109 R)
• M8: 2,361,103 km (0.064 R)
• M9: 2,791,795 km (0.099 R)
• M10: 3,688,635 km (0.076 R)
• M11: 4,065,173 km (0.089 R)
• M12: 4,482,551 km (0.056 R)
• M13: 4,781,896 km (0.05 R)
• M14: 5,128,215 km (0.059 R)
• M15: 5,455,984 km (0.118 R)
• M16: 6,786,059 km (0.11 R)
• M17: 7,055,185 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.3

Radius: 8.9

Gravity: 9.6 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.78 AU - 1.16 AU

Year: 659 Days

Day: 6.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,265,472 km

• M1: 110,702 km (0.099 R)
• M2: 521,947 km (0.108 R)
• M3: 893,398 km (0.084 R)
• M4: 1,221,167 km (0.116 R)
• M5: 1,513,781 km (0.077 R)
• M6: 2,195,349 km (0.039 R)
• M7: 2,535,235 km (0.064 R)
• M8: 2,886,641 km (0.117 R)
• M9: 3,309,105 km (0.107 R)
• M10: 5,210,344 km (0.079 R)
• M11: 6,171,361 km (0.119 R)
• M12: 7,179,501 km (0.027 R)
• M13: 8,028,768 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.6

Radius: 12.5

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.81 AU - 5.29 AU

Year: 6699 Days

Day: 13.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 50,265,472 km

• M1: 155,432 km (0.107 R)
• M2: 904,469 km (0.065 R)
• M3: 1,332,019 km (0.066 R)
• M4: 2,245,913 km (0.119 R)
• M5: 2,656,110 km (0.089 R)
• M6: 3,096,377 km (0.059 R)
• M7: 3,814,147 km (0.089 R)
• M8: 4,378,131 km (0.119 R)
• M9: 5,612,613 km (0.05 R)
• M10: 6,179,888 km (0.116 R)
• M11: 6,750,604 km (0.114 R)
• M12: 7,691,575 km (0.108 R)
• M13: 8,312,705 km (0.079 R)
• M14: 8,883,570 km (0.09 R)
• M15: 9,480,466 km (0.109 R)
• M16: 10,472,300 km (0.03 R)
• M17: 11,883,905 km (0.082 R)
• M18: 12,294,851 km (0.084 R)
• M19: 14,903,837 km (0.085 R)
• M20: 16,943,305 km (0.056 R)
• M21: 19,373,373 km (0.109 R)
• M22: 20,968,086 km (0.115 R)
• M23: 21,645,017 km (0.082 R)
• M24: 24,170,827 km (0.12 R)
• M25: 26,363,034 km (0.055 R)
• M26: 28,318,877 km (0.079 R)
• M27: 29,800,793 km (0.059 R)
• M28: 33,222,097 km (0.046 R)
• M29: 34,452,988 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.1

Radius: 13.1

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 4.28 AU - 6.1 AU

Year: 8161 Days

Day: 12.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 50,265,472 km

• M1: 162,912 km (0.084 R)
• M2: 782,397 km (0.113 R)
• M3: 3,276,642 km (0.1 R)
• M4: 6,201,281 km (0.077 R)
• M5: 6,732,353 km (0.12 R)
• M6: 12,062,675 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 202.3

Radius: 8

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 7.82 AU - 9.3 AU

Year: 17287 Days

Day: 18 Hours

Environment

Temp: -240 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 50,265,472 km

• M1: 99,632 km (0.114 R)
• M2: 429,346 km (0.115 R)
• M3: 782,546 km (0.045 R)
• M4: 1,492,837 km (0.043 R)
• M5: 1,748,201 km (0.096 R)
• M6: 2,275,832 km (0.083 R)
• M7: 4,832,460 km (0.063 R)
• M8: 5,697,734 km (0.027 R)
• M9: 8,506,733 km (0.093 R)
• M10: 9,569,925 km (0.063 R)
• M11: 10,928,124 km (0.051 R)
• M12: 11,246,618 km (0.086 R)
• M13: 12,239,350 km (0.092 R)
• M14: 12,525,231 km (0.093 R)
• M15: 14,146,723 km (0.077 R)
• M16: 16,107,053 km (0.12 R)
• M17: 18,766,006 km (0.076 R)
• M18: 20,639,121 km (0.104 R)
• M19: 22,547,989 km (0.089 R)
• M20: 24,935,571 km (0.116 R)
• M21: 28,674,321 km (0.109 R)
• M22: 32,008,260 km (0.045 R)
• M23: 32,660,955 km (0.074 R)
• M24: 33,768,428 km (0.043 R)
• M25: 34,786,292 km (0.108 R)
• M26: 42,231,030 km (0.117 R)
• M27: 43,016,120 km (0.057 R)
• M28: 44,480,533 km (0.073 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 161.4

Radius: 5.1

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 9.61 AU - 10.57 AU

Year: 22123 Days

Day: 17.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,265,472 km

• M1: 63,429 km (0.068 R)
• M2: 642,972 km (0.083 R)
• M3: 1,084,884 km (0.048 R)
• M4: 2,544,959 km (0.112 R)
• M5: 3,204,536 km (0.062 R)
• M6: 3,398,415 km (0.1 R)
• M7: 4,668,650 km (0.034 R)
• M8: 5,511,934 km (0.04 R)
• M9: 5,826,239 km (0.049 R)
• M10: 6,567,347 km (0.046 R)
• M11: 9,507,992 km (0.106 R)
• M12: 12,616,336 km (0.114 R)
• M13: 29,290,216 km (0.104 R)
• M14: 47,457,980 km (0.094 R)
• M15: 48,626,937 km (0.097 R)
• M16: 49,218,597 km (0.034 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: 430 - 17,805 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit