🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.13

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.6 AU - 0.66 AU

Year: 323 Days

Day: 22.8 Hours

Environment

Temp: -128 °C

Axial Tilt: 38 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 46,508,698 km

• M1: 750,682 km (0.09 R)

Asteroid Belt

Center: 0.97 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.5

Radius: 13.1

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.25 AU - 1.35 AU

Year: 957 Days

Day: 10.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,508,698 km

• M1: 173,683 km (0.044 R)
• M2: 617,690 km (0.104 R)
• M3: 1,392,756 km (0.056 R)
• M4: 3,679,509 km (0.061 R)
• M5: 4,909,054 km (0.055 R)
• M6: 5,400,932 km (0.045 R)
• M7: 6,115,262 km (0.087 R)
• M8: 7,054,587 km (0.027 R)
• M9: 7,510,262 km (0.114 R)
• M10: 8,968,841 km (0.1 R)
• M11: 9,590,869 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.5

Radius: 14.3

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.39 AU - 1.75 AU

Year: 1270 Days

Day: 10.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,508,698 km

• M1: 178,021 km (0.114 R)
• M2: 632,500 km (0.027 R)
• M3: 1,262,307 km (0.083 R)
• M4: 1,904,530 km (0.085 R)
• M5: 2,468,215 km (0.11 R)
• M6: 3,102,959 km (0.094 R)
• M7: 4,129,051 km (0.092 R)
• M8: 4,581,435 km (0.09 R)
• M9: 5,606,779 km (0.062 R)
• M10: 7,080,318 km (0.103 R)
• M11: 7,633,231 km (0.108 R)
• M12: 8,163,107 km (0.085 R)
• M13: 8,744,594 km (0.119 R)
• M14: 9,755,876 km (0.106 R)

Asteroid Belt

Center: 2.29 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.4

Radius: 13.9

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.6 AU - 3.41 AU

Year: 3355 Days

Day: 10.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,508,698 km

• M1: 178,470 km (0.107 R)
• M2: 625,170 km (0.11 R)
• M3: 1,261,110 km (0.088 R)
• M4: 2,356,466 km (0.089 R)
• M5: 3,161,601 km (0.117 R)
• M6: 3,642,708 km (0.084 R)
• M7: 4,411,192 km (0.096 R)
• M8: 5,601,692 km (0.027 R)
• M9: 6,100,003 km (0.117 R)
• M10: 7,017,636 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.1

Radius: 10.1

Gravity: 7.8 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.97 AU - 3.37 AU

Year: 3644 Days

Day: 5.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 46,508,698 km

• M1: 125,662 km (0.115 R)
• M2: 492,775 km (0.107 R)
• M3: 809,474 km (0.066 R)
• M4: 1,203,964 km (0.047 R)
• M5: 1,620,145 km (0.111 R)
• M6: 2,457,145 km (0.069 R)
• M7: 2,902,498 km (0.113 R)
• M8: 3,285,618 km (0.081 R)
• M9: 3,640,763 km (0.09 R)
• M10: 4,667,154 km (0.069 R)
• M11: 7,152,125 km (0.088 R)
• M12: 9,956,785 km (0.099 R)
• M13: 11,049,748 km (0.1 R)
• M14: 12,981,505 km (0.116 R)
• M15: 13,373,601 km (0.09 R)
• M16: 14,597,311 km (0.087 R)
• M17: 15,290,548 km (0.118 R)
• M18: 15,894,175 km (0.083 R)
• M19: 17,740,662 km (0.101 R)
• M20: 18,777,824 km (0.098 R)
• M21: 19,279,575 km (0.12 R)
• M22: 20,507,325 km (0.09 R)
• M23: 22,131,659 km (0.062 R)
• M24: 23,333,079 km (0.038 R)
• M25: 24,133,278 km (0.066 R)
• M26: 24,801,532 km (0.094 R)
• M27: 25,178,070 km (0.028 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566

Radius: 13.5

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 4.45 AU - 7.15 AU

Year: 9019 Days

Day: 7.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 71.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 46,508,698 km

• M1: 168,298 km (0.106 R)
• M2: 821,292 km (0.057 R)
• M3: 1,285,794 km (0.088 R)
• M4: 1,726,060 km (0.107 R)
• M5: 2,499,032 km (0.117 R)
• M6: 3,029,058 km (0.1 R)
• M7: 3,515,999 km (0.071 R)
• M8: 4,850,861 km (0.057 R)
• M9: 5,521,657 km (0.085 R)
• M10: 6,047,943 km (0.106 R)
• M11: 7,355,727 km (0.118 R)
• M12: 8,201,254 km (0.032 R)
• M13: 9,291,374 km (0.07 R)
• M14: 10,674,406 km (0.03 R)
• M15: 12,245,483 km (0.065 R)
• M16: 16,976,965 km (0.059 R)
• M17: 18,094,012 km (0.109 R)
• M18: 18,743,716 km (0.085 R)
• M19: 20,708,085 km (0.073 R)
• M20: 25,578,992 km (0.083 R)
• M21: 26,674,497 km (0.075 R)
• M22: 27,610,980 km (0.078 R)
• M23: 30,552,373 km (0.099 R)
• M24: 34,570,572 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 332.1

Radius: 7.5

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 7.53 AU - 9.39 AU

Year: 15888 Days

Day: 17.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 46,508,698 km

• M1: 93,798 km (0.093 R)
• M2: 331,658 km (0.027 R)
• M3: 809,624 km (0.064 R)
• M4: 1,169,257 km (0.062 R)
• M5: 1,461,272 km (0.038 R)
• M6: 2,421,840 km (0.084 R)
• M7: 2,901,451 km (0.114 R)
• M8: 4,049,764 km (0.119 R)
• M9: 4,423,160 km (0.088 R)
• M10: 5,406,766 km (0.095 R)
• M11: 6,151,315 km (0.117 R)
• M12: 7,043,068 km (0.089 R)
• M13: 8,332,302 km (0.059 R)
• M14: 8,842,281 km (0.075 R)
• M15: 9,471,640 km (0.076 R)
• M16: 10,027,096 km (0.07 R)
• M17: 10,550,839 km (0.1 R)
• M18: 12,951,136 km (0.073 R)
• M19: 14,343,444 km (0.049 R)
• M20: 17,722,710 km (0.095 R)
• M21: 20,916,026 km (0.1 R)
• M22: 23,095,518 km (0.094 R)
• M23: 24,100,666 km (0.079 R)
• M24: 24,849,852 km (0.09 R)
• M25: 26,990,298 km (0.087 R)
• M26: 30,862,041 km (0.103 R)
• M27: 31,745,267 km (0.088 R)
• M28: 32,645,247 km (0.1 R)
• M29: 36,906,692 km (0.095 R)
• M30: 40,075,026 km (0.099 R)
• M31: 42,195,127 km (0.086 R)
• M32: 48,114,266 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 219.5

Radius: 7.4

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 7.28 AU - 10.34 AU

Year: 16884 Days

Day: 18.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,508,698 km

• M1: 227,688 km (0.097 R)
• M2: 463,305 km (0.089 R)
• M3: 717,771 km (0.041 R)
• M4: 1,501,813 km (0.109 R)
• M5: 3,338,127 km (0.119 R)
• M6: 4,293,608 km (0.109 R)
• M7: 4,728,938 km (0.077 R)
• M8: 5,129,711 km (0.089 R)
• M9: 5,687,711 km (0.058 R)
• M10: 7,199,846 km (0.101 R)
• M11: 9,195,332 km (0.12 R)
• M12: 10,679,642 km (0.092 R)
• M13: 15,741,586 km (0.082 R)
• M14: 16,565,122 km (0.067 R)
• M15: 22,717,484 km (0.099 R)
• M16: 25,591,109 km (0.099 R)
• M17: 32,156,960 km (0.057 R)
• M18: 41,544,675 km (0.113 R)
• M19: 41,803,479 km (0.045 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 362 - 20,320 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit