🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.22 AU - 1.64 AU

Year: 641 Days

Day: 28.2 Hours

Environment

Temp: -32 °C

Axial Tilt: 119.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.96

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.23 AU - 2.37 AU

Year: 1307 Days

Day: 43.8 Hours

Environment

Temp: -82 °C

Axial Tilt: 7.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 82,469,524 km

• M1: 1,721,871 km (0.119 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.16

Radius: 0.48

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.48 AU - 3.03 AU

Year: 1709 Days

Day: 17.7 Hours

Environment

Temp: -102 °C

Axial Tilt: 35.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.85 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.3

Radius: 13.8

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 4.17 AU - 5.71 AU

Year: 4115 Days

Day: 11.7 Hours

Environment

Temp: -141 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 82,469,524 km

• M1: 173,234 km (0.103 R)
• M2: 721,959 km (0.034 R)
• M3: 1,209,499 km (0.11 R)
• M4: 2,823,211 km (0.116 R)
• M5: 4,536,256 km (0.087 R)
• M6: 6,686,726 km (0.085 R)
• M7: 7,544,520 km (0.118 R)
• M8: 9,322,341 km (0.114 R)
• M9: 10,159,640 km (0.104 R)
• M10: 13,529,931 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.4

Radius: 12.7

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 6.62 AU - 10.18 AU

Year: 9123 Days

Day: 6.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 82,469,524 km

• M1: 158,125 km (0.054 R)
• M2: 676,781 km (0.041 R)
• M3: 1,280,558 km (0.117 R)
• M4: 1,823,598 km (0.097 R)
• M5: 2,870,185 km (0.098 R)
• M6: 4,308,568 km (0.026 R)
• M7: 4,734,025 km (0.066 R)
• M8: 5,335,109 km (0.085 R)
• M9: 6,690,765 km (0.08 R)
• M10: 7,117,567 km (0.116 R)
• M11: 7,753,209 km (0.111 R)
• M12: 8,385,858 km (0.105 R)
• M13: 10,634,913 km (0.061 R)
• M14: 11,366,745 km (0.084 R)
• M15: 11,821,822 km (0.072 R)
• M16: 12,447,440 km (0.086 R)
• M17: 14,050,830 km (0.053 R)
• M18: 16,101,518 km (0.109 R)
• M19: 17,597,347 km (0.119 R)
• M20: 18,761,219 km (0.064 R)
• M21: 25,190,636 km (0.09 R)
• M22: 26,227,499 km (0.119 R)
• M23: 26,845,338 km (0.073 R)
• M24: 34,402,873 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271

Radius: 14.2

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 8.12 AU - 11.32 AU

Year: 11356 Days

Day: 7.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 82,469,524 km

• M1: 176,675 km (0.098 R)
• M2: 665,112 km (0.069 R)
• M3: 1,534,276 km (0.108 R)
• M4: 2,252,046 km (0.093 R)
• M5: 3,041,774 km (0.061 R)
• M6: 4,034,655 km (0.055 R)
• M7: 4,499,156 km (0.101 R)
• M8: 5,568,182 km (0.073 R)
• M9: 7,236,947 km (0.087 R)
• M10: 7,927,191 km (0.084 R)
• M11: 9,350,914 km (0.042 R)
• M12: 11,137,262 km (0.118 R)
• M13: 13,197,375 km (0.106 R)
• M14: 15,688,329 km (0.097 R)
• M15: 17,785,990 km (0.104 R)
• M16: 20,815,048 km (0.1 R)
• M17: 21,896,940 km (0.031 R)
• M18: 24,595,536 km (0.11 R)
• M19: 26,424,070 km (0.056 R)
• M20: 26,872,415 km (0.042 R)
• M21: 28,435,114 km (0.067 R)
• M22: 30,057,803 km (0.105 R)
• M23: 30,546,539 km (0.089 R)
• M24: 31,139,994 km (0.081 R)
• M25: 35,949,416 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 767.4

Radius: 4.3

Gravity: 41.5 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 13.1 AU - 14.54 AU

Year: 19253 Days

Day: 19.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 139.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 82,469,524 km

• M1: 53,406 km (0.05 R)
• M2: 431,739 km (0.082 R)
• M3: 965,953 km (0.078 R)
• M4: 1,454,091 km (0.063 R)
• M5: 1,707,660 km (0.098 R)
• M6: 2,050,239 km (0.079 R)
• M7: 2,623,947 km (0.105 R)
• M8: 2,770,253 km (0.083 R)
• M9: 5,596,157 km (0.064 R)
• M10: 16,271,012 km (0.104 R)
• M11: 16,934,030 km (0.096 R)
• M12: 24,908,195 km (0.109 R)
• M13: 33,056,193 km (0.095 R)
• M14: 35,339,206 km (0.089 R)
• M15: 35,891,222 km (0.07 R)
• M16: 43,916,549 km (0.079 R)
• M17: 49,537,839 km (0.102 R)
• M18: 52,878,808 km (0.119 R)
• M19: 53,058,625 km (0.081 R)
• M20: 53,419,604 km (0.084 R)
• M21: 59,614,751 km (0.089 R)
• M22: 61,781,677 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 432.9

Radius: 7.4

Gravity: 7.91 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 12.61 AU - 15.33 AU

Year: 19567 Days

Day: 18.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 82,469,524 km

• M1: 92,900 km (0.095 R)
• M2: 380,727 km (0.095 R)
• M3: 687,103 km (0.028 R)
• M4: 1,221,467 km (0.094 R)
• M5: 2,894,569 km (0.071 R)
• M6: 3,702,099 km (0.035 R)
• M7: 4,520,698 km (0.118 R)
• M8: 11,805,217 km (0.104 R)
• M9: 13,088,916 km (0.056 R)
• M10: 17,334,803 km (0.103 R)
• M11: 18,066,636 km (0.085 R)
• M12: 20,207,680 km (0.098 R)
• M13: 24,478,101 km (0.099 R)
• M14: 27,200,782 km (0.115 R)
• M15: 28,522,928 km (0.057 R)
• M16: 31,057,266 km (0.037 R)
• M17: 31,773,690 km (0.107 R)
• M18: 35,781,567 km (0.112 R)
• M19: 45,239,294 km (0.12 R)
• M20: 52,785,160 km (0.11 R)
• M21: 53,463,586 km (0.113 R)
• M22: 55,708,751 km (0.114 R)
• M23: 63,200,164 km (0.073 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 772.6

Radius: 5.6

Gravity: 24.64 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 13.56 AU - 15.96 AU

Year: 21250 Days

Day: 19.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 82,469,524 km

• M1: 73,752 km (0.041 R)
• M2: 865,872 km (0.102 R)
• M3: 1,727,855 km (0.057 R)
• M4: 1,977,085 km (0.085 R)
• M5: 2,250,251 km (0.04 R)
• M6: 2,572,186 km (0.101 R)
• M7: 2,795,087 km (0.036 R)
• M8: 4,209,684 km (0.096 R)
• M9: 5,343,187 km (0.075 R)
• M10: 5,790,335 km (0.054 R)
• M11: 6,439,889 km (0.089 R)
• M12: 7,528,363 km (0.101 R)
• M13: 11,324,708 km (0.096 R)
• M14: 20,673,528 km (0.026 R)
• M15: 23,437,648 km (0.056 R)
• M16: 31,211,352 km (0.103 R)
• M17: 45,170,628 km (0.119 R)
• M18: 47,526,196 km (0.079 R)
• M19: 51,211,241 km (0.076 R)
• M20: 51,571,772 km (0.105 R)
• M21: 53,956,810 km (0.112 R)
• M22: 54,893,443 km (0.12 R)
• M23: 61,755,347 km (0.047 R)
• M24: 65,497,089 km (0.104 R)
• M25: 77,861,353 km (0.054 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: 220 - 18,250 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit