🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.7

Radius: 12.5

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.43 AU - 0.65 AU

Year: 265 Days

Day: 14.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 82,576,094 km

• M1: 156,180 km (0.107 R)
• M2: 763,099 km (0.045 R)
• M3: 1,306,737 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.8

Radius: 13.9

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.57 AU - 0.79 AU

Year: 374 Days

Day: 6.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 82,576,094 km

• M1: 172,935 km (0.065 R)
• M2: 645,216 km (0.117 R)
• M3: 1,090,568 km (0.078 R)
• M4: 1,650,214 km (0.112 R)
• M5: 2,409,423 km (0.1 R)
• M6: 3,415,020 km (0.047 R)
• M7: 3,876,978 km (0.08 R)
• M8: 5,091,115 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952

Radius: 14.9

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.14 AU - 1.84 AU

Year: 1213 Days

Day: 10.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 82,576,094 km

• M1: 185,352 km (0.113 R)
• M2: 829,221 km (0.061 R)
• M3: 1,451,249 km (0.096 R)
• M4: 2,055,026 km (0.12 R)
• M5: 3,103,707 km (0.118 R)
• M6: 4,019,545 km (0.052 R)
• M7: 4,522,942 km (0.054 R)
• M8: 6,130,371 km (0.114 R)
• M9: 7,180,099 km (0.042 R)
• M10: 8,490,278 km (0.12 R)
• M11: 9,954,542 km (0.074 R)
• M12: 10,747,111 km (0.105 R)
• M13: 11,474,905 km (0.104 R)
• M14: 11,941,800 km (0.05 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 228.5

Radius: 6

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 6.04 AU - 6.08 AU

Year: 9948 Days

Day: 22 Hours

Environment

Temp: -228 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 82,576,094 km

• M1: 74,649 km (0.045 R)
• M2: 270,623 km (0.044 R)
• M3: 1,540,858 km (0.093 R)
• M4: 1,874,013 km (0.109 R)
• M5: 3,126,895 km (0.082 R)
• M6: 5,817,263 km (0.051 R)
• M7: 7,613,933 km (0.102 R)
• M8: 9,534,171 km (0.029 R)
• M9: 11,460,543 km (0.112 R)
• M10: 13,741,911 km (0.105 R)
• M11: 20,733,666 km (0.047 R)
• M12: 21,765,144 km (0.102 R)
• M13: 22,599,302 km (0.11 R)
• M14: 27,266,007 km (0.026 R)
• M15: 30,148,010 km (0.083 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 810.8

Radius: 4

Gravity: 50.68 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 6.92 AU - 8.78 AU

Year: 14667 Days

Day: 21.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 82,576,094 km

• M1: 49,816 km (0.05 R)
• M2: 214,224 km (0.09 R)
• M3: 348,862 km (0.119 R)
• M4: 866,471 km (0.076 R)
• M5: 1,047,335 km (0.098 R)
• M6: 1,579,754 km (0.103 R)
• M7: 2,213,001 km (0.108 R)
• M8: 2,877,964 km (0.078 R)
• M9: 3,204,087 km (0.082 R)
• M10: 4,758,259 km (0.101 R)
• M11: 4,964,854 km (0.077 R)
• M12: 6,049,439 km (0.1 R)
• M13: 8,623,868 km (0.07 R)
• M14: 9,622,434 km (0.036 R)
• M15: 9,786,842 km (0.088 R)
• M16: 12,483,494 km (0.059 R)
• M17: 13,826,583 km (0.119 R)
• M18: 15,637,166 km (0.069 R)
• M19: 15,788,559 km (0.087 R)
• M20: 16,248,423 km (0.062 R)
• M21: 20,796,647 km (0.09 R)
• M22: 22,195,986 km (0.074 R)
• M23: 23,261,123 km (0.115 R)
• M24: 24,665,398 km (0.082 R)
• M25: 26,019,109 km (0.102 R)
• M26: 27,752,350 km (0.05 R)
• M27: 29,101,573 km (0.068 R)
• M28: 33,536,252 km (0.084 R)
• M29: 35,065,890 km (0.097 R)
• M30: 39,231,443 km (0.101 R)
• M31: 40,499,734 km (0.098 R)
• M32: 42,821,792 km (0.025 R)
• M33: 43,565,144 km (0.072 R)
• M34: 44,772,399 km (0.047 R)
• M35: 46,001,944 km (0.032 R)
• M36: 46,938,576 km (0.119 R)
• M37: 47,095,953 km (0.107 R)
• M38: 47,570,029 km (0.091 R)
• M39: 48,527,904 km (0.116 R)
• M40: 48,849,988 km (0.112 R)
• M41: 49,335,882 km (0.074 R)
• M42: 56,124,932 km (0.117 R)
• M43: 58,823,379 km (0.071 R)
• M44: 60,669,566 km (0.111 R)
• M45: 65,453,108 km (0.039 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 430.1

Radius: 3.3

Gravity: 39.49 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 6.69 AU - 10.43 AU

Year: 16701 Days

Day: 21.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 82,576,094 km

• M1: 41,887 km (0.053 R)
• M2: 176,825 km (0.117 R)
• M3: 314,754 km (0.07 R)
• M4: 1,215,782 km (0.103 R)
• M5: 1,420,282 km (0.061 R)
• M6: 1,777,671 km (0.105 R)
• M7: 3,085,755 km (0.074 R)
• M8: 3,962,249 km (0.104 R)
• M9: 5,060,447 km (0.091 R)
• M10: 7,258,040 km (0.079 R)
• M11: 25,186,148 km (0.107 R)
• M12: 33,533,111 km (0.09 R)
• M13: 34,752,483 km (0.056 R)
• M14: 38,852,213 km (0.113 R)
• M15: 41,850,453 km (0.102 R)
• M16: 49,385,997 km (0.073 R)
• M17: 50,012,663 km (0.115 R)
• M18: 51,602,290 km (0.104 R)
• M19: 52,734,895 km (0.061 R)
• M20: 53,389,386 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 614.9

Radius: 6.2

Gravity: 16 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 10.55 AU - 11.17 AU

Year: 23866 Days

Day: 15.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 82,576,094 km

• M1: 77,193 km (0.048 R)
• M2: 534,513 km (0.062 R)
• M3: 767,287 km (0.102 R)
• M4: 1,107,323 km (0.116 R)
• M5: 1,510,490 km (0.11 R)
• M6: 2,027,350 km (0.115 R)
• M7: 2,680,345 km (0.114 R)
• M8: 3,206,481 km (0.042 R)
• M9: 4,055,897 km (0.092 R)
• M10: 4,933,289 km (0.091 R)
• M11: 5,239,067 km (0.082 R)
• M12: 7,594,785 km (0.031 R)
• M13: 9,087,323 km (0.081 R)
• M14: 9,372,905 km (0.099 R)
• M15: 11,020,726 km (0.108 R)
• M16: 12,083,319 km (0.044 R)
• M17: 16,173,624 km (0.107 R)
• M18: 19,267,009 km (0.107 R)
• M19: 21,907,112 km (0.109 R)
• M20: 29,231,723 km (0.083 R)
• M21: 31,515,634 km (0.1 R)
• M22: 37,887,606 km (0.113 R)
• M23: 39,680,686 km (0.039 R)
• M24: 39,984,818 km (0.076 R)
• M25: 42,475,174 km (0.108 R)
• M26: 45,898,123 km (0.079 R)
• M27: 53,657,016 km (0.098 R)
• M28: 54,778,402 km (0.101 R)
• M29: 55,344,929 km (0.079 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 223 - 12,875 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit