🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.45

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.49 AU - 0.75 AU

Year: 186 Days

Day: 28.3 Hours

Environment

Temp: 184 °C

Axial Tilt: 13.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 71,386,408 km

• M1: 72,256 km (0.056 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.75

Radius: 0.89

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.95 AU - 2.77 AU

Year: 1381 Days

Day: 22.1 Hours

Environment

Temp: -89 °C

Axial Tilt: 3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 3.75 AU - 3.85 AU

Year: 2821 Days

Day: 44.5 Hours

Environment

Temp: -125 °C

Axial Tilt: 22.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 71,386,408 km

• M1: 397,631 km (0.112 R)

Asteroid Belt

Center: 6.13 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 8.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247

Radius: 14.1

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 6.55 AU - 10.35 AU

Year: 9354 Days

Day: 5.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,386,408 km

• M1: 186,549 km (0.09 R)
• M2: 942,616 km (0.095 R)
• M3: 1,473,539 km (0.104 R)
• M4: 2,130,274 km (0.032 R)
• M5: 2,702,186 km (0.082 R)
• M6: 3,334,387 km (0.089 R)
• M7: 5,875,008 km (0.046 R)
• M8: 6,573,480 km (0.044 R)
• M9: 7,724,636 km (0.112 R)
• M10: 8,603,822 km (0.107 R)
• M11: 9,212,386 km (0.078 R)
• M12: 10,425,326 km (0.088 R)
• M13: 11,164,938 km (0.096 R)
• M14: 18,799,964 km (0.113 R)
• M15: 21,473,578 km (0.104 R)
• M16: 24,471,668 km (0.08 R)
• M17: 28,532,054 km (0.114 R)
• M18: 31,762,022 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.7

Radius: 9

Gravity: 11.5 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 7.76 AU - 9.52 AU

Year: 9671 Days

Day: 13.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 52.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,386,408 km

• M1: 116,387 km (0.114 R)
• M2: 545,434 km (0.118 R)
• M3: 911,949 km (0.118 R)
• M4: 1,940,733 km (0.079 R)
• M5: 2,866,744 km (0.06 R)
• M6: 3,403,950 km (0.119 R)
• M7: 3,815,942 km (0.038 R)
• M8: 6,209,060 km (0.116 R)
• M9: 7,525,670 km (0.107 R)
• M10: 8,593,949 km (0.12 R)
• M11: 9,067,725 km (0.094 R)
• M12: 11,194,409 km (0.112 R)
• M13: 13,633,901 km (0.116 R)
• M14: 17,735,875 km (0.045 R)
• M15: 21,801,047 km (0.066 R)
• M16: 36,278,531 km (0.106 R)
• M17: 39,036,816 km (0.118 R)
• M18: 43,986,112 km (0.094 R)
• M19: 46,106,513 km (0.084 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 303.3

Radius: 4.8

Gravity: 13.16 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 10.4 AU - 15.12 AU

Year: 17357 Days

Day: 24.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 71,386,408 km

• M1: 59,989 km (0.087 R)
• M2: 259,852 km (0.056 R)
• M3: 975,378 km (0.118 R)
• M4: 1,143,825 km (0.091 R)
• M5: 1,660,387 km (0.108 R)
• M6: 1,868,926 km (0.107 R)
• M7: 2,300,067 km (0.088 R)
• M8: 3,799,487 km (0.064 R)
• M9: 3,964,493 km (0.102 R)
• M10: 5,601,842 km (0.085 R)
• M11: 5,998,426 km (0.09 R)
• M12: 6,374,964 km (0.085 R)
• M13: 6,887,785 km (0.034 R)
• M14: 8,040,287 km (0.053 R)
• M15: 8,591,555 km (0.082 R)
• M16: 12,560,088 km (0.093 R)
• M17: 13,746,848 km (0.112 R)
• M18: 14,938,245 km (0.045 R)
• M19: 15,419,651 km (0.06 R)
• M20: 16,341,024 km (0.067 R)
• M21: 16,558,839 km (0.076 R)
• M22: 17,752,779 km (0.026 R)
• M23: 17,905,968 km (0.11 R)
• M24: 20,901,665 km (0.049 R)
• M25: 21,330,562 km (0.103 R)
• M26: 23,013,688 km (0.092 R)
• M27: 23,934,163 km (0.117 R)
• M28: 26,045,288 km (0.082 R)
• M29: 27,044,602 km (0.114 R)
• M30: 32,541,426 km (0.092 R)
• M31: 33,117,378 km (0.062 R)
• M32: 33,582,927 km (0.119 R)
• M33: 38,867,023 km (0.029 R)
• M34: 45,104,955 km (0.111 R)
• M35: 46,835,503 km (0.103 R)
• M36: 47,865,036 km (0.116 R)
• M37: 48,310,987 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 876.7

Radius: 3.6

Gravity: 67.65 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 12.23 AU - 15.63 AU

Year: 19798 Days

Day: 17 Hours

Environment

Temp: -203 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 71,386,408 km

• M1: 44,730 km (0.057 R)
• M2: 233,373 km (0.061 R)
• M3: 469,438 km (0.1 R)
• M4: 652,845 km (0.093 R)
• M5: 826,229 km (0.058 R)
• M6: 1,122,732 km (0.065 R)
• M7: 1,265,598 km (0.095 R)
• M8: 1,536,669 km (0.104 R)
• M9: 1,768,995 km (0.092 R)
• M10: 1,903,483 km (0.12 R)
• M11: 2,107,684 km (0.028 R)
• M12: 4,798,053 km (0.111 R)
• M13: 10,234,589 km (0.111 R)
• M14: 12,462,699 km (0.079 R)
• M15: 13,614,902 km (0.084 R)
• M16: 14,601,799 km (0.119 R)
• M17: 17,146,010 km (0.078 R)
• M18: 17,582,387 km (0.071 R)
• M19: 18,476,983 km (0.112 R)
• M20: 21,142,517 km (0.052 R)
• M21: 21,543,141 km (0.096 R)
• M22: 21,745,247 km (0.077 R)
• M23: 23,302,112 km (0.069 R)
• M24: 25,945,208 km (0.094 R)
• M25: 28,415,966 km (0.106 R)
• M26: 33,276,999 km (0.118 R)
• M27: 33,955,276 km (0.059 R)
• M28: 35,339,206 km (0.071 R)
• M29: 35,761,670 km (0.083 R)
• M30: 38,366,917 km (0.099 R)
• M31: 39,112,513 km (0.118 R)
• M32: 43,466,858 km (0.039 R)
• M33: 50,054,251 km (0.102 R)
• M34: 53,306,957 km (0.05 R)
• M35: 58,642,066 km (0.066 R)
• M36: 71,026,077 km (0.071 R)
• M37: 73,970,612 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 407.1

Radius: 3.8

Gravity: 28.19 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 12.24 AU - 19.06 AU

Year: 23576 Days

Day: 20.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 71,386,408 km

• M1: 47,273 km (0.074 R)
• M2: 385,514 km (0.104 R)
• M3: 506,389 km (0.068 R)
• M4: 1,230,143 km (0.106 R)
• M5: 2,012,241 km (0.118 R)
• M6: 2,681,542 km (0.088 R)
• M7: 3,961,800 km (0.116 R)
• M8: 4,214,322 km (0.062 R)
• M9: 8,185,995 km (0.093 R)
• M10: 17,800,651 km (0.081 R)
• M11: 18,141,435 km (0.075 R)
• M12: 23,687,177 km (0.106 R)
• M13: 24,516,548 km (0.104 R)
• M14: 24,938,414 km (0.071 R)
• M15: 26,233,183 km (0.105 R)
• M16: 27,233,096 km (0.056 R)
• M17: 35,757,182 km (0.112 R)
• M18: 39,094,262 km (0.119 R)
• M19: 43,396,098 km (0.09 R)
• M20: 47,186,460 km (0.088 R)
• M21: 59,489,688 km (0.09 R)
• M22: 60,826,195 km (0.061 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 304 - 16,949 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit