🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.6

Radius: 10.8

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.76 AU - 1.14 AU

Year: 651 Days

Day: 13.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 80,600,782 km

• M1: 134,488 km (0.108 R)
• M2: 537,206 km (0.087 R)
• M3: 891,155 km (0.112 R)
• M4: 1,537,268 km (0.064 R)
• M5: 2,615,719 km (0.077 R)
• M6: 3,388,093 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.5

Radius: 12.3

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.82 AU - 1.12 AU

Year: 672 Days

Day: 6.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 80,600,782 km

• M1: 163,660 km (0.045 R)
• M2: 670,348 km (0.093 R)
• M3: 1,188,555 km (0.047 R)
• M4: 1,677,890 km (0.075 R)
• M5: 2,071,781 km (0.119 R)
• M6: 2,834,431 km (0.087 R)
• M7: 3,498,197 km (0.114 R)
• M8: 4,041,835 km (0.103 R)
• M9: 5,532,279 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.8

Radius: 8.8

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.47 AU - 1.67 AU

Year: 1383 Days

Day: 6.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 80,600,782 km

• M1: 109,506 km (0.1 R)
• M2: 450,290 km (0.119 R)
• M3: 981,661 km (0.102 R)
• M4: 1,434,045 km (0.072 R)
• M5: 1,985,613 km (0.09 R)
• M6: 3,369,094 km (0.106 R)
• M7: 5,152,899 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586

Radius: 13

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.54 AU - 1.76 AU

Year: 1490 Days

Day: 6.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,600,782 km

• M1: 161,715 km (0.116 R)
• M2: 726,597 km (0.064 R)
• M3: 1,144,723 km (0.09 R)
• M4: 2,084,347 km (0.08 R)
• M5: 2,512,197 km (0.058 R)
• M6: 3,486,977 km (0.118 R)
• M7: 4,273,413 km (0.037 R)
• M8: 5,382,382 km (0.115 R)
• M9: 7,618,421 km (0.113 R)
• M10: 8,649,150 km (0.052 R)
• M11: 9,676,289 km (0.118 R)
• M12: 10,482,173 km (0.081 R)
• M13: 11,507,816 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.3

Radius: 8.2

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.49 AU - 1.97 AU

Year: 1599 Days

Day: 13.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,600,782 km

• M1: 102,325 km (0.059 R)
• M2: 388,057 km (0.119 R)
• M3: 682,914 km (0.048 R)
• M4: 1,545,795 km (0.061 R)
• M5: 1,936,245 km (0.067 R)
• M6: 2,276,281 km (0.072 R)
• M7: 2,610,483 km (0.105 R)
• M8: 3,002,130 km (0.105 R)
• M9: 3,613,237 km (0.117 R)
• M10: 4,648,305 km (0.052 R)
• M11: 5,712,993 km (0.119 R)
• M12: 6,735,943 km (0.045 R)
• M13: 7,780,436 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.8

Radius: 8.3

Gravity: 9.87 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.78 AU - 1.8 AU

Year: 1683 Days

Day: 14.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 80,600,782 km

• M1: 103,223 km (0.099 R)
• M2: 378,782 km (0.064 R)
• M3: 878,738 km (0.085 R)
• M4: 1,206,507 km (0.067 R)
• M5: 1,493,735 km (0.1 R)
• M6: 1,805,945 km (0.098 R)
• M7: 2,114,865 km (0.071 R)
• M8: 2,645,040 km (0.074 R)
• M9: 3,106,101 km (0.106 R)
• M10: 3,486,229 km (0.025 R)
• M11: 4,340,433 km (0.108 R)
• M12: 4,775,613 km (0.093 R)
• M13: 7,653,427 km (0.118 R)
• M14: 7,938,261 km (0.034 R)
• M15: 11,118,114 km (0.079 R)
• M16: 11,895,873 km (0.081 R)
• M17: 14,146,723 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.5

Radius: 11.2

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 3.24 AU - 3.26 AU

Year: 4118 Days

Day: 6.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 80,600,782 km

• M1: 139,724 km (0.086 R)
• M2: 503,397 km (0.073 R)
• M3: 1,042,248 km (0.069 R)
• M4: 1,692,700 km (0.074 R)
• M5: 2,629,931 km (0.051 R)
• M6: 3,016,342 km (0.111 R)
• M7: 3,926,196 km (0.051 R)
• M8: 4,365,266 km (0.081 R)
• M9: 4,935,383 km (0.1 R)
• M10: 6,610,132 km (0.074 R)
• M11: 7,169,777 km (0.119 R)
• M12: 8,207,687 km (0.057 R)
• M13: 8,635,387 km (0.056 R)
• M14: 10,251,044 km (0.068 R)
• M15: 11,347,148 km (0.074 R)
• M16: 11,788,911 km (0.03 R)
• M17: 12,380,271 km (0.075 R)
• M18: 13,328,871 km (0.09 R)
• M19: 14,122,039 km (0.093 R)
• M20: 15,531,401 km (0.084 R)
• M21: 16,804,329 km (0.092 R)
• M22: 22,665,873 km (0.067 R)
• M23: 23,438,546 km (0.036 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.6

Radius: 10.3

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.27 AU - 4.87 AU

Year: 5772 Days

Day: 15 Hours

Environment

Temp: -223 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,600,782 km

• M1: 131,796 km (0.099 R)
• M2: 473,477 km (0.102 R)
• M3: 1,424,770 km (0.109 R)
• M4: 1,855,163 km (0.09 R)
• M5: 2,891,577 km (0.082 R)
• M6: 3,227,275 km (0.101 R)
• M7: 4,491,975 km (0.088 R)
• M8: 8,003,187 km (0.041 R)
• M9: 9,135,493 km (0.119 R)
• M10: 13,324,832 km (0.072 R)
• M11: 22,524,203 km (0.073 R)
• M12: 25,863,377 km (0.087 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 756.8

Radius: 7.4

Gravity: 13.82 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 7.53 AU - 11.57 AU

Year: 20745 Days

Day: 19.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 80,600,782 km

• M1: 92,751 km (0.065 R)
• M2: 1,365,081 km (0.07 R)
• M3: 3,284,421 km (0.113 R)
• M4: 4,758,409 km (0.1 R)
• M5: 5,167,709 km (0.036 R)
• M6: 6,764,816 km (0.078 R)
• M7: 7,234,553 km (0.113 R)
• M8: 7,826,661 km (0.118 R)
• M9: 9,163,618 km (0.106 R)
• M10: 10,095,313 km (0.081 R)
• M11: 10,399,146 km (0.109 R)
• M12: 10,708,964 km (0.088 R)
• M13: 12,214,068 km (0.063 R)
• M14: 12,910,595 km (0.096 R)
• M15: 16,710,980 km (0.111 R)
• M16: 19,186,825 km (0.075 R)
• M17: 19,936,759 km (0.081 R)
• M18: 20,318,981 km (0.062 R)
• M19: 20,608,902 km (0.049 R)
• M20: 21,196,971 km (0.118 R)
• M21: 23,028,199 km (0.097 R)
• M22: 24,089,895 km (0.09 R)
• M23: 24,852,245 km (0.104 R)
• M24: 25,855,898 km (0.037 R)
• M25: 26,310,526 km (0.107 R)
• M26: 29,396,730 km (0.045 R)
• M27: 30,141,727 km (0.105 R)
• M28: 30,392,902 km (0.069 R)
• M29: 33,114,536 km (0.099 R)
• M30: 41,933,929 km (0.119 R)
• M31: 42,246,887 km (0.102 R)
• M32: 46,626,814 km (0.119 R)
• M33: 52,018,022 km (0.102 R)
• M34: 52,379,450 km (0.046 R)
• M35: 55,331,465 km (0.039 R)
• M36: 64,225,208 km (0.11 R)
• M37: 66,535,448 km (0.072 R)
• M38: 72,890,515 km (0.106 R)
• M39: 78,446,580 km (0.117 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 268 - 12,771 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit