🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.39 AU - 0.65 AU

Year: 242 Days

Day: 44.9 Hours

Environment

Temp: -116 °C

Axial Tilt: 5.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.87 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.4

Radius: 9.5

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.05 AU - 1.37 AU

Year: 859 Days

Day: 11.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,184,295 km

• M1: 118,332 km (0.102 R)
• M2: 552,615 km (0.067 R)
• M3: 879,935 km (0.101 R)
• M4: 1,367,923 km (0.051 R)
• M5: 1,782,309 km (0.082 R)
• M6: 2,132,817 km (0.104 R)
• M7: 2,561,714 km (0.032 R)
• M8: 3,035,341 km (0.11 R)
• M9: 3,444,790 km (0.111 R)
• M10: 3,978,705 km (0.092 R)
• M11: 4,882,276 km (0.086 R)
• M12: 5,265,546 km (0.104 R)
• M13: 5,594,063 km (0.115 R)
• M14: 6,211,902 km (0.099 R)
• M15: 7,223,333 km (0.088 R)
• M16: 7,652,679 km (0.088 R)
• M17: 7,956,213 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.7

Radius: 10.7

Gravity: 7.64 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.43 AU - 1.49 AU

Year: 1139 Days

Day: 14.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,184,295 km

• M1: 133,142 km (0.04 R)
• M2: 599,738 km (0.095 R)
• M3: 996,920 km (0.099 R)
• M4: 1,364,033 km (0.049 R)
• M5: 1,755,232 km (0.071 R)
• M6: 2,143,887 km (0.074 R)
• M7: 2,640,702 km (0.117 R)
• M8: 3,155,169 km (0.067 R)
• M9: 3,687,438 km (0.081 R)
• M10: 4,854,301 km (0.12 R)
• M11: 5,191,345 km (0.088 R)
• M12: 5,759,069 km (0.098 R)
• M13: 8,596,342 km (0.086 R)
• M14: 9,062,041 km (0.061 R)
• M15: 9,886,325 km (0.111 R)
• M16: 10,495,637 km (0.101 R)
• M17: 10,893,268 km (0.117 R)
• M18: 11,896,023 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.5

Radius: 14.8

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.34 AU - 1.96 AU

Year: 1368 Days

Day: 6.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,184,295 km

• M1: 184,005 km (0.082 R)
• M2: 690,993 km (0.067 R)
• M3: 1,392,457 km (0.104 R)
• M4: 2,424,981 km (0.113 R)
• M5: 3,073,039 km (0.112 R)
• M6: 3,595,585 km (0.11 R)
• M7: 4,147,003 km (0.11 R)
• M8: 5,133,750 km (0.057 R)
• M9: 5,875,008 km (0.11 R)
• M10: 6,456,345 km (0.092 R)
• M11: 7,098,120 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.1

Radius: 11

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.87 AU - 2.33 AU

Year: 1965 Days

Day: 15 Hours

Environment

Temp: -188 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 46,184,295 km

• M1: 136,882 km (0.046 R)
• M2: 495,319 km (0.094 R)
• M3: 1,007,093 km (0.107 R)
• M4: 1,405,921 km (0.066 R)
• M5: 1,900,791 km (0.089 R)
• M6: 2,510,252 km (0.079 R)
• M7: 2,949,472 km (0.099 R)
• M8: 3,641,212 km (0.098 R)
• M9: 4,224,045 km (0.093 R)
• M10: 4,849,065 km (0.042 R)
• M11: 6,192,305 km (0.096 R)
• M12: 7,049,351 km (0.094 R)
• M13: 8,174,626 km (0.111 R)
• M14: 8,940,118 km (0.105 R)
• M15: 9,415,989 km (0.085 R)
• M16: 11,594,433 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.6

Radius: 14.7

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.67 AU - 5.33 AU

Year: 6164 Days

Day: 7.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 46,184,295 km

• M1: 182,958 km (0.092 R)
• M2: 860,786 km (0.037 R)
• M3: 1,384,827 km (0.109 R)
• M4: 1,936,395 km (0.094 R)
• M5: 2,547,652 km (0.072 R)
• M6: 3,742,041 km (0.09 R)
• M7: 4,339,385 km (0.068 R)
• M8: 5,546,640 km (0.096 R)
• M9: 6,132,914 km (0.06 R)
• M10: 6,932,665 km (0.095 R)
• M11: 7,688,583 km (0.107 R)
• M12: 8,987,391 km (0.054 R)
• M13: 10,382,092 km (0.069 R)
• M14: 12,529,719 km (0.089 R)
• M15: 15,977,501 km (0.09 R)
• M16: 16,534,903 km (0.093 R)
• M17: 18,487,454 km (0.105 R)
• M18: 19,171,266 km (0.052 R)
• M19: 20,228,474 km (0.067 R)
• M20: 21,623,175 km (0.101 R)
• M21: 22,305,791 km (0.12 R)
• M22: 22,768,796 km (0.119 R)
• M23: 24,196,558 km (0.111 R)
• M24: 27,759,082 km (0.06 R)
• M25: 29,203,898 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 373.7

Radius: 4

Gravity: 23.36 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 6.34 AU - 9.1 AU

Year: 13850 Days

Day: 21 Hours

Environment

Temp: -217 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 46,184,295 km

• M1: 49,816 km (0.108 R)
• M2: 174,730 km (0.088 R)
• M3: 553,363 km (0.106 R)
• M4: 827,725 km (0.07 R)
• M5: 975,079 km (0.097 R)
• M6: 1,687,913 km (0.113 R)
• M7: 2,028,697 km (0.094 R)
• M8: 2,355,867 km (0.119 R)
• M9: 2,717,296 km (0.105 R)
• M10: 4,362,573 km (0.064 R)
• M11: 5,064,786 km (0.116 R)
• M12: 5,595,858 km (0.102 R)
• M13: 6,574,527 km (0.083 R)
• M14: 7,369,490 km (0.111 R)
• M15: 9,782,354 km (0.057 R)
• M16: 12,913,438 km (0.09 R)
• M17: 13,277,559 km (0.12 R)
• M18: 14,410,763 km (0.041 R)
• M19: 20,805,922 km (0.082 R)
• M20: 23,208,464 km (0.051 R)
• M21: 24,568,608 km (0.063 R)
• M22: 25,127,206 km (0.068 R)
• M23: 27,746,216 km (0.112 R)
• M24: 33,065,917 km (0.118 R)
• M25: 37,413,231 km (0.057 R)
• M26: 45,664,900 km (0.117 R)
• M27: 48,082,700 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 271.5

Radius: 7.7

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 6.5 AU - 9.8 AU

Year: 15023 Days

Day: 22.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 59.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 46,184,295 km

• M1: 95,743 km (0.094 R)
• M2: 492,775 km (0.037 R)
• M3: 972,985 km (0.1 R)
• M4: 1,692,550 km (0.082 R)
• M5: 2,140,297 km (0.086 R)
• M6: 3,157,413 km (0.117 R)
• M7: 4,129,799 km (0.084 R)
• M8: 4,640,676 km (0.114 R)
• M9: 9,561,398 km (0.112 R)
• M10: 9,853,114 km (0.092 R)
• M11: 10,712,105 km (0.115 R)
• M12: 14,651,466 km (0.109 R)
• M13: 16,176,616 km (0.115 R)
• M14: 18,025,047 km (0.094 R)
• M15: 18,771,990 km (0.115 R)
• M16: 20,168,187 km (0.046 R)
• M17: 23,079,062 km (0.078 R)
• M18: 23,870,584 km (0.095 R)
• M19: 29,512,967 km (0.039 R)
• M20: 32,368,192 km (0.099 R)
• M21: 34,826,683 km (0.056 R)
• M22: 38,990,291 km (0.035 R)
• M23: 42,813,415 km (0.028 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: 295 - 16,888 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit