🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.47 AU - 2.03 AU

Year: 882 Days

Day: 14.2 Hours

Environment

Temp: -73 °C

Axial Tilt: 31.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.88 AU - 2.14 AU

Year: 1085 Days

Day: 12.6 Hours

Environment

Temp: -82 °C

Axial Tilt: 49.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.1

Radius: 9

Gravity: 9.19 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 3.78 AU - 5.24 AU

Year: 3647 Days

Day: 12.6 Hours

Environment

Temp: -132 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 96,525,973 km

• M1: 111,899 km (0.088 R)
• M2: 498,460 km (0.064 R)
• M3: 822,339 km (0.103 R)
• M4: 1,421,928 km (0.04 R)
• M5: 2,795,685 km (0.108 R)
• M6: 3,130,635 km (0.072 R)
• M7: 3,694,170 km (0.076 R)
• M8: 5,965,065 km (0.093 R)
• M9: 6,403,238 km (0.114 R)
• M10: 6,800,121 km (0.082 R)
• M11: 7,476,004 km (0.027 R)
• M12: 7,881,863 km (0.073 R)
• M13: 8,409,794 km (0.092 R)
• M14: 8,886,413 km (0.117 R)
• M15: 9,575,760 km (0.082 R)
• M16: 11,366,745 km (0.089 R)
• M17: 11,768,116 km (0.102 R)
• M18: 12,132,836 km (0.095 R)
• M19: 14,378,300 km (0.09 R)
• M20: 14,690,361 km (0.052 R)
• M21: 15,220,387 km (0.098 R)
• M22: 16,944,951 km (0.085 R)
• M23: 19,547,505 km (0.07 R)
• M24: 20,188,831 km (0.074 R)
• M25: 23,036,875 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.8

Radius: 9

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 5.31 AU - 7.31 AU

Year: 6036 Days

Day: 5 Hours

Environment

Temp: -164 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 96,525,973 km

• M1: 111,899 km (0.088 R)
• M2: 446,250 km (0.078 R)
• M3: 926,011 km (0.107 R)
• M4: 1,356,703 km (0.049 R)
• M5: 2,197,294 km (0.038 R)
• M6: 4,945,855 km (0.081 R)
• M7: 5,249,688 km (0.111 R)
• M8: 6,591,881 km (0.093 R)
• M9: 7,775,798 km (0.04 R)
• M10: 9,095,850 km (0.118 R)
• M11: 10,741,277 km (0.112 R)
• M12: 11,490,313 km (0.112 R)
• M13: 12,373,988 km (0.092 R)
• M14: 13,946,411 km (0.085 R)
• M15: 14,276,274 km (0.101 R)
• M16: 16,004,130 km (0.109 R)
• M17: 16,305,121 km (0.094 R)
• M18: 17,105,469 km (0.087 R)
• M19: 17,867,222 km (0.056 R)
• M20: 20,218,302 km (0.1 R)
• M21: 22,018,862 km (0.042 R)
• M22: 22,541,557 km (0.117 R)
• M23: 23,225,817 km (0.117 R)
• M24: 26,435,589 km (0.102 R)
• M25: 30,203,212 km (0.079 R)
• M26: 30,663,375 km (0.103 R)

Planet 5 - Ice Giant

Semi-Major Axis: 15.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 726.5

Radius: 7.8

Gravity: 11.94 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 13.38 AU - 17.14 AU

Year: 22700 Days

Day: 24.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 96,525,973 km

• M1: 200,312 km (0.089 R)
• M2: 935,136 km (0.096 R)
• M3: 2,008,501 km (0.097 R)
• M4: 2,965,329 km (0.025 R)
• M5: 4,031,663 km (0.115 R)
• M6: 5,138,238 km (0.053 R)
• M7: 5,616,652 km (0.06 R)
• M8: 6,168,369 km (0.069 R)
• M9: 7,428,881 km (0.116 R)
• M10: 7,936,616 km (0.116 R)
• M11: 8,686,251 km (0.061 R)
• M12: 10,018,719 km (0.102 R)
• M13: 11,349,841 km (0.085 R)
• M14: 12,866,763 km (0.086 R)
• M15: 22,101,141 km (0.114 R)
• M16: 28,899,616 km (0.116 R)
• M17: 36,103,950 km (0.085 R)
• M18: 37,117,476 km (0.098 R)
• M19: 38,001,300 km (0.116 R)
• M20: 38,448,298 km (0.087 R)
• M21: 39,964,024 km (0.096 R)
• M22: 49,371,336 km (0.093 R)
• M23: 55,630,960 km (0.095 R)
• M24: 56,594,071 km (0.12 R)
• M25: 61,987,075 km (0.085 R)
• M26: 63,858,245 km (0.06 R)
• M27: 71,266,930 km (0.119 R)
• M28: 76,354,155 km (0.094 R)
• M29: 79,958,267 km (0.12 R)
• M30: 84,177,974 km (0.029 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 807.8

Radius: 5.3

Gravity: 28.76 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 15.16 AU - 18.52 AU

Year: 26315 Days

Day: 24.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 96,525,973 km

• M1: 67,469 km (0.11 R)
• M2: 676,631 km (0.107 R)
• M3: 998,117 km (0.104 R)
• M4: 1,239,568 km (0.12 R)
• M5: 1,684,173 km (0.077 R)
• M6: 2,028,547 km (0.042 R)
• M7: 3,080,819 km (0.1 R)
• M8: 3,286,366 km (0.049 R)
• M9: 3,857,231 km (0.036 R)
• M10: 4,131,145 km (0.077 R)
• M11: 4,951,839 km (0.09 R)
• M12: 5,275,719 km (0.051 R)
• M13: 5,485,156 km (0.091 R)
• M14: 6,010,693 km (0.091 R)
• M15: 6,762,871 km (0.069 R)
• M16: 6,960,191 km (0.116 R)
• M17: 10,273,634 km (0.027 R)
• M18: 11,765,274 km (0.081 R)
• M19: 13,786,042 km (0.1 R)
• M20: 17,649,108 km (0.109 R)
• M21: 32,868,896 km (0.075 R)
• M22: 36,672,871 km (0.118 R)
• M23: 43,931,808 km (0.095 R)
• M24: 44,274,836 km (0.1 R)
• M25: 44,793,043 km (0.076 R)
• M26: 78,912,428 km (0.111 R)
• M27: 91,131,582 km (0.095 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: 184 - 19,805 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit