🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.47 AU - 0.61 AU

Year: 146 Days

Day: 18.7 Hours

Environment

Temp: 230 °C

Axial Tilt: 3.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 60,081,271 km

• M1: 42,635 km (0.055 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.49 AU - 0.81 AU

Year: 192 Days

Day: 23.4 Hours

Environment

Temp: 161 °C

Axial Tilt: 36.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 60,081,271 km

• M1: 59,091 km (0.059 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.63 AU - 2.27 AU

Year: 1000 Days

Day: 25.3 Hours

Environment

Temp: -60 °C

Axial Tilt: 29.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.14 AU - 2.88 AU

Year: 1460 Days

Day: 30.1 Hours

Environment

Temp: -80 °C

Axial Tilt: 11 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.65 AU - 3.97 AU

Year: 2211 Days

Day: 19.7 Hours

Environment

Temp: -112 °C

Axial Tilt: 0.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.15 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.5

Radius: 12.6

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 4.85 AU - 5.11 AU

Year: 4080 Days

Day: 6.5 Hours

Environment

Temp: -137 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,081,271 km

• M1: 156,928 km (0.094 R)
• M2: 664,514 km (0.087 R)
• M3: 1,234,631 km (0.079 R)
• M4: 1,772,286 km (0.044 R)
• M5: 2,351,080 km (0.072 R)
• M6: 4,198,015 km (0.119 R)
• M7: 4,765,141 km (0.112 R)
• M8: 5,309,079 km (0.101 R)
• M9: 6,721,881 km (0.077 R)
• M10: 9,711,295 km (0.051 R)
• M11: 10,946,076 km (0.058 R)
• M12: 11,476,550 km (0.073 R)
• M13: 14,055,917 km (0.107 R)
• M14: 16,945,848 km (0.09 R)
• M15: 19,196,698 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.5

Radius: 11.7

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 6.62 AU - 10.06 AU

Year: 8841 Days

Day: 11.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 60,081,271 km

• M1: 146,008 km (0.115 R)
• M2: 1,013,825 km (0.109 R)
• M3: 1,826,291 km (0.025 R)
• M4: 3,833,146 km (0.099 R)
• M5: 4,201,606 km (0.065 R)
• M6: 4,858,939 km (0.085 R)
• M7: 5,228,446 km (0.045 R)
• M8: 6,673,112 km (0.09 R)
• M9: 8,856,344 km (0.044 R)
• M10: 10,485,614 km (0.085 R)
• M11: 11,105,847 km (0.11 R)
• M12: 12,306,519 km (0.115 R)
• M13: 12,763,990 km (0.118 R)
• M14: 13,292,070 km (0.089 R)
• M15: 13,712,889 km (0.077 R)
• M16: 14,581,304 km (0.071 R)
• M17: 16,703,649 km (0.115 R)
• M18: 18,648,422 km (0.119 R)
• M19: 19,869,589 km (0.085 R)
• M20: 20,579,730 km (0.117 R)
• M21: 26,032,124 km (0.115 R)
• M22: 29,038,592 km (0.092 R)
• M23: 32,377,318 km (0.107 R)
• M24: 33,030,761 km (0.103 R)
• M25: 35,963,927 km (0.06 R)
• M26: 36,664,643 km (0.108 R)
• M27: 37,852,899 km (0.119 R)
• M28: 38,578,000 km (0.078 R)
• M29: 39,189,257 km (0.084 R)
• M30: 39,682,930 km (0.074 R)
• M31: 40,556,880 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.1

Radius: 12.5

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 7.9 AU - 10.74 AU

Year: 10445 Days

Day: 9.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,081,271 km

• M1: 155,582 km (0.081 R)
• M2: 699,370 km (0.065 R)
• M3: 1,297,911 km (0.063 R)
• M4: 1,788,891 km (0.108 R)
• M5: 2,901,301 km (0.059 R)
• M6: 3,916,921 km (0.085 R)
• M7: 5,991,395 km (0.116 R)
• M8: 7,410,929 km (0.074 R)
• M9: 12,177,715 km (0.083 R)
• M10: 14,669,118 km (0.114 R)
• M11: 18,473,392 km (0.087 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.9

Radius: 12.6

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 9.67 AU - 12.73 AU

Year: 13759 Days

Day: 10.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 60,081,271 km

• M1: 157,826 km (0.113 R)
• M2: 641,625 km (0.114 R)
• M3: 1,394,551 km (0.093 R)
• M4: 4,647,557 km (0.106 R)
• M5: 5,154,245 km (0.116 R)
• M6: 5,875,307 km (0.104 R)
• M7: 7,908,043 km (0.082 R)
• M8: 8,632,844 km (0.093 R)
• M9: 9,500,811 km (0.118 R)
• M10: 10,320,308 km (0.08 R)
• M11: 10,747,410 km (0.038 R)
• M12: 11,466,677 km (0.087 R)
• M13: 12,159,016 km (0.075 R)
• M14: 14,870,776 km (0.087 R)
• M15: 22,691,304 km (0.101 R)
• M16: 23,142,043 km (0.113 R)
• M17: 26,367,074 km (0.088 R)
• M18: 29,451,632 km (0.028 R)
• M19: 31,080,753 km (0.1 R)
• M20: 33,345,365 km (0.085 R)
• M21: 40,137,258 km (0.102 R)
• M22: 40,664,441 km (0.083 R)
• M23: 41,196,262 km (0.104 R)
• M24: 46,193,728 km (0.109 R)
• M25: 49,892,685 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 13.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 428.4

Radius: 5.1

Gravity: 16.47 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 11.73 AU - 14.81 AU

Year: 17745 Days

Day: 15.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 60,081,271 km

• M1: 65,075 km (0.107 R)
• M2: 295,755 km (0.048 R)
• M3: 720,015 km (0.073 R)
• M4: 893,099 km (0.094 R)
• M5: 1,497,175 km (0.114 R)
• M6: 1,766,302 km (0.115 R)
• M7: 5,605,731 km (0.096 R)
• M8: 6,374,515 km (0.107 R)
• M9: 8,309,115 km (0.114 R)
• M10: 8,998,761 km (0.118 R)
• M11: 10,379,250 km (0.115 R)
• M12: 10,547,099 km (0.114 R)
• M13: 10,945,927 km (0.096 R)
• M14: 18,686,270 km (0.117 R)
• M15: 19,102,003 km (0.051 R)
• M16: 19,438,897 km (0.099 R)
• M17: 20,737,855 km (0.066 R)
• M18: 27,677,551 km (0.117 R)
• M19: 30,106,272 km (0.089 R)
• M20: 30,333,960 km (0.094 R)
• M21: 30,562,695 km (0.029 R)
• M22: 33,034,351 km (0.058 R)
• M23: 33,642,018 km (0.117 R)
• M24: 43,380,391 km (0.03 R)
• M25: 46,494,420 km (0.071 R)
• M26: 47,257,219 km (0.111 R)
• M27: 53,997,351 km (0.094 R)
• M28: 54,670,841 km (0.114 R)
• M29: 59,542,795 km (0.056 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 358 - 11,750 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit