🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.53 AU - 0.57 AU

Year: 176 Days

Day: 21.5 Hours

Environment

Temp: 36 °C

Axial Tilt: 3.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 32,582,949 km

• M1: 326,871 km (0.103 R)
• M2: 505,192 km (0.031 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.04

Radius: 1.02

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.51 AU - 0.73 AU

Year: 210 Days

Day: 39 Hours

Environment

Temp: 4 °C

Axial Tilt: 44.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 32,582,949 km

• M1: 47,273 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360

Radius: 8.9

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 5.79 AU - 7.89 AU

Year: 7700 Days

Day: 11.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,582,949 km

• M1: 111,002 km (0.11 R)
• M2: 489,484 km (0.119 R)
• M3: 806,482 km (0.114 R)
• M4: 1,328,279 km (0.073 R)
• M5: 2,061,459 km (0.1 R)
• M6: 2,359,158 km (0.077 R)
• M7: 4,743,748 km (0.103 R)
• M8: 5,210,344 km (0.069 R)
• M9: 5,798,264 km (0.038 R)
• M10: 7,282,424 km (0.092 R)
• M11: 8,093,694 km (0.031 R)
• M12: 9,677,785 km (0.027 R)
• M13: 12,554,852 km (0.029 R)
• M14: 14,553,180 km (0.088 R)
• M15: 15,361,757 km (0.111 R)
• M16: 15,897,167 km (0.109 R)
• M17: 16,260,989 km (0.054 R)
• M18: 16,879,726 km (0.116 R)
• M19: 19,790,003 km (0.083 R)
• M20: 28,943,448 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.8

Radius: 14.9

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 6.9 AU - 8.7 AU

Year: 9377 Days

Day: 8.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 32,582,949 km

• M1: 187,596 km (0.095 R)
• M2: 1,124,228 km (0.11 R)
• M3: 2,144,037 km (0.094 R)
• M4: 4,031,064 km (0.113 R)
• M5: 4,798,202 km (0.087 R)
• M6: 5,460,771 km (0.117 R)
• M7: 6,970,214 km (0.102 R)
• M8: 9,589,074 km (0.056 R)
• M9: 13,713,188 km (0.116 R)
• M10: 15,652,276 km (0.032 R)
• M11: 17,621,432 km (0.06 R)
• M12: 18,514,232 km (0.12 R)
• M13: 23,525,911 km (0.068 R)
• M14: 24,153,474 km (0.06 R)
• M15: 28,156,414 km (0.118 R)
• M16: 30,526,194 km (0.114 R)
• M17: 31,488,706 km (0.106 R)
• M18: 32,692,670 km (0.068 R)
• M19: 34,154,690 km (0.092 R)
• M20: 35,308,688 km (0.112 R)
• M21: 36,727,624 km (0.093 R)
• M22: 38,927,012 km (0.112 R)
• M23: 43,184,866 km (0.069 R)
• M24: 44,944,436 km (0.1 R)
• M25: 45,495,256 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 559.5

Radius: 7.6

Gravity: 9.69 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 10.12 AU - 11.68 AU

Year: 15490 Days

Day: 17.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 32,582,949 km

• M1: 127,607 km (0.026 R)
• M2: 455,526 km (0.119 R)
• M3: 832,811 km (0.107 R)
• M4: 1,147,116 km (0.117 R)
• M5: 1,555,219 km (0.092 R)
• M6: 2,094,071 km (0.078 R)
• M7: 2,662,393 km (0.107 R)
• M8: 2,959,195 km (0.094 R)
• M9: 3,956,415 km (0.098 R)
• M10: 5,372,209 km (0.108 R)
• M11: 6,077,413 km (0.104 R)
• M12: 7,011,951 km (0.046 R)
• M13: 8,711,533 km (0.083 R)
• M14: 9,368,866 km (0.116 R)
• M15: 10,444,175 km (0.068 R)
• M16: 12,146,300 km (0.078 R)
• M17: 15,141,548 km (0.03 R)
• M18: 15,721,091 km (0.063 R)
• M19: 16,016,397 km (0.092 R)
• M20: 17,946,658 km (0.114 R)
• M21: 19,092,727 km (0.089 R)
• M22: 22,823,250 km (0.079 R)
• M23: 23,681,493 km (0.106 R)
• M24: 24,462,244 km (0.095 R)
• M25: 25,972,285 km (0.062 R)
• M26: 31,922,989 km (0.063 R)
• M27: 35,846,193 km (0.104 R)
• M28: 43,464,614 km (0.093 R)
• M29: 44,486,667 km (0.077 R)
• M30: 47,649,315 km (0.093 R)
• M31: 52,586,943 km (0.117 R)
• M32: 55,434,389 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 61.2

Radius: 6.9

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 11.36 AU - 13.4 AU

Year: 18750 Days

Day: 15.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,582,949 km

• M1: 115,490 km (0.092 R)
• M2: 353,649 km (0.116 R)
• M3: 886,667 km (0.098 R)
• M4: 1,576,911 km (0.115 R)
• M5: 2,292,887 km (0.086 R)
• M6: 2,580,414 km (0.084 R)
• M7: 3,106,699 km (0.105 R)
• M8: 3,679,659 km (0.08 R)
• M9: 3,932,479 km (0.069 R)
• M10: 5,522,106 km (0.062 R)
• M11: 5,854,213 km (0.099 R)
• M12: 7,035,289 km (0.069 R)
• M13: 9,685,714 km (0.1 R)
• M14: 11,280,128 km (0.089 R)
• M15: 15,095,921 km (0.076 R)
• M16: 17,165,009 km (0.092 R)
• M17: 22,005,996 km (0.078 R)
• M18: 22,687,714 km (0.114 R)
• M19: 23,150,121 km (0.04 R)
• M20: 27,684,881 km (0.071 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 248 - 16,414 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit