🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.4

Radius: 10.1

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.68 AU - 0.9 AU

Year: 468 Days

Day: 6.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,380,475 km

• M1: 125,662 km (0.087 R)
• M2: 739,163 km (0.086 R)
• M3: 1,103,135 km (0.099 R)
• M4: 1,453,194 km (0.055 R)
• M5: 1,814,622 km (0.084 R)
• M6: 2,613,176 km (0.073 R)
• M7: 3,092,786 km (0.054 R)
• M8: 4,154,183 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.9

Radius: 12.8

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.05 AU - 1.31 AU

Year: 855 Days

Day: 12.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,380,475 km

• M1: 159,172 km (0.082 R)
• M2: 573,708 km (0.084 R)
• M3: 1,027,588 km (0.101 R)
• M4: 1,444,517 km (0.093 R)
• M5: 2,345,246 km (0.067 R)
• M6: 2,959,794 km (0.073 R)
• M7: 4,244,840 km (0.038 R)
• M8: 4,741,505 km (0.107 R)
• M9: 5,431,450 km (0.041 R)
• M10: 6,123,639 km (0.101 R)
• M11: 6,669,522 km (0.091 R)
• M12: 7,512,655 km (0.106 R)
• M13: 8,036,547 km (0.118 R)
• M14: 8,504,938 km (0.062 R)
• M15: 9,411,052 km (0.107 R)
• M16: 10,050,284 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.5

Radius: 11.4

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.87 AU - 3.11 AU

Year: 2620 Days

Day: 5.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,380,475 km

• M1: 142,567 km (0.119 R)
• M2: 644,468 km (0.049 R)
• M3: 1,017,864 km (0.08 R)
• M4: 1,440,179 km (0.055 R)
• M5: 2,032,586 km (0.098 R)
• M6: 2,526,110 km (0.105 R)
• M7: 2,999,886 km (0.098 R)
• M8: 3,805,770 km (0.112 R)
• M9: 4,304,828 km (0.062 R)
• M10: 4,731,332 km (0.071 R)
• M11: 5,165,614 km (0.087 R)
• M12: 5,778,816 km (0.113 R)
• M13: 7,778,341 km (0.115 R)
• M14: 8,356,986 km (0.107 R)
• M15: 10,234,589 km (0.079 R)
• M16: 11,306,757 km (0.063 R)
• M17: 11,870,142 km (0.051 R)
• M18: 12,341,675 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.8

Radius: 10.7

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 3.39 AU - 4.33 AU

Year: 5057 Days

Day: 10.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,380,475 km

• M1: 133,142 km (0.071 R)
• M2: 519,703 km (0.118 R)
• M3: 884,423 km (0.12 R)
• M4: 2,168,272 km (0.112 R)
• M5: 2,677,503 km (0.091 R)
• M6: 3,718,105 km (0.039 R)
• M7: 4,165,852 km (0.109 R)
• M8: 5,642,682 km (0.078 R)
• M9: 6,174,503 km (0.07 R)
• M10: 6,675,207 km (0.059 R)
• M11: 7,373,081 km (0.088 R)
• M12: 8,266,778 km (0.067 R)
• M13: 9,719,822 km (0.12 R)
• M14: 11,661,304 km (0.118 R)
• M15: 12,281,237 km (0.075 R)
• M16: 12,822,931 km (0.094 R)
• M17: 13,277,858 km (0.077 R)
• M18: 14,544,055 km (0.067 R)
• M19: 15,375,220 km (0.083 R)
• M20: 16,237,802 km (0.114 R)
• M21: 19,811,844 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.4

Radius: 11.7

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 3.43 AU - 4.63 AU

Year: 5395 Days

Day: 9.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,380,475 km

• M1: 145,708 km (0.09 R)
• M2: 552,315 km (0.114 R)
• M3: 1,063,790 km (0.09 R)
• M4: 1,965,716 km (0.089 R)
• M5: 2,540,770 km (0.054 R)
• M6: 3,244,628 km (0.098 R)
• M7: 3,833,296 km (0.074 R)
• M8: 4,811,068 km (0.104 R)
• M9: 6,065,146 km (0.115 R)
• M10: 7,628,594 km (0.091 R)
• M11: 8,823,282 km (0.063 R)
• M12: 9,405,966 km (0.06 R)
• M13: 10,014,081 km (0.119 R)
• M14: 11,130,381 km (0.091 R)
• M15: 12,567,418 km (0.101 R)
• M16: 13,558,205 km (0.065 R)
• M17: 14,546,747 km (0.107 R)
• M18: 15,694,761 km (0.102 R)
• M19: 17,438,175 km (0.074 R)
• M20: 18,419,088 km (0.114 R)
• M21: 18,859,654 km (0.079 R)
• M22: 20,090,994 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.1

Radius: 14.1

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 4.49 AU - 5.85 AU

Year: 7839 Days

Day: 9.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,380,475 km

• M1: 175,478 km (0.115 R)
• M2: 840,142 km (0.025 R)
• M3: 1,324,091 km (0.08 R)
• M4: 2,443,681 km (0.104 R)
• M5: 2,898,309 km (0.082 R)
• M6: 3,822,226 km (0.104 R)
• M7: 5,819,357 km (0.079 R)
• M8: 8,092,646 km (0.108 R)
• M9: 10,631,023 km (0.055 R)
• M10: 13,234,176 km (0.111 R)
• M11: 15,170,720 km (0.039 R)
• M12: 16,237,203 km (0.115 R)
• M13: 19,668,530 km (0.041 R)
• M14: 20,578,833 km (0.106 R)
• M15: 21,225,395 km (0.091 R)
• M16: 22,257,919 km (0.047 R)
• M17: 22,939,337 km (0.033 R)
• M18: 24,905,203 km (0.029 R)
• M19: 26,726,108 km (0.114 R)
• M20: 29,895,040 km (0.081 R)
• M21: 31,004,757 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 915.3

Radius: 6.6

Gravity: 21.01 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 5.35 AU - 8.79 AU

Year: 12536 Days

Day: 22.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 61,380,475 km

• M1: 82,129 km (0.062 R)
• M2: 293,062 km (0.066 R)
• M3: 543,639 km (0.072 R)
• M4: 1,028,485 km (0.09 R)
• M5: 1,608,177 km (0.099 R)
• M6: 2,732,854 km (0.081 R)
• M7: 2,965,927 km (0.1 R)
• M8: 4,064,275 km (0.098 R)
• M9: 4,989,837 km (0.082 R)
• M10: 7,162,148 km (0.076 R)
• M11: 7,607,351 km (0.04 R)
• M12: 8,503,741 km (0.093 R)
• M13: 8,800,992 km (0.088 R)
• M14: 12,291,260 km (0.119 R)
• M15: 13,927,263 km (0.076 R)
• M16: 17,465,851 km (0.102 R)
• M17: 18,027,441 km (0.078 R)
• M18: 18,435,993 km (0.083 R)
• M19: 19,018,078 km (0.052 R)
• M20: 20,219,199 km (0.114 R)
• M21: 24,620,818 km (0.117 R)
• M22: 27,203,625 km (0.07 R)
• M23: 29,734,372 km (0.099 R)
• M24: 30,419,530 km (0.076 R)
• M25: 32,779,437 km (0.096 R)
• M26: 35,897,355 km (0.101 R)
• M27: 36,935,415 km (0.039 R)
• M28: 41,006,572 km (0.102 R)
• M29: 41,429,485 km (0.092 R)
• M30: 43,587,584 km (0.063 R)
• M31: 44,471,408 km (0.082 R)
• M32: 45,367,050 km (0.105 R)
• M33: 45,970,827 km (0.094 R)
• M34: 46,886,516 km (0.091 R)
• M35: 57,423,143 km (0.105 R)
• M36: 58,841,779 km (0.111 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 317 - 18,722 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit