🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.7

Radius: 14.4

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.62 AU - 0.88 AU

Year: 426 Days

Day: 8.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,924,202 km

• M1: 179,069 km (0.087 R)
• M2: 750,533 km (0.109 R)
• M3: 1,226,403 km (0.108 R)
• M4: 1,745,508 km (0.06 R)
• M5: 2,938,850 km (0.114 R)
• M6: 3,635,976 km (0.105 R)
• M7: 4,252,918 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.2

Radius: 8.8

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.82 AU - 1.28 AU

Year: 706 Days

Day: 5.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,924,202 km

• M1: 109,506 km (0.069 R)
• M2: 429,196 km (0.103 R)
• M3: 733,778 km (0.117 R)
• M4: 1,023,698 km (0.054 R)
• M5: 1,358,498 km (0.089 R)
• M6: 1,863,840 km (0.07 R)
• M7: 2,742,279 km (0.106 R)
• M8: 3,311,199 km (0.077 R)
• M9: 3,630,740 km (0.103 R)
• M10: 4,544,185 km (0.109 R)
• M11: 5,638,643 km (0.102 R)
• M12: 5,928,564 km (0.033 R)
• M13: 6,617,761 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.8

Radius: 8.1

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.82 AU - 2.2 AU

Year: 1869 Days

Day: 13.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,924,202 km

• M1: 100,979 km (0.085 R)
• M2: 540,647 km (0.109 R)
• M3: 833,559 km (0.047 R)
• M4: 1,334,862 km (0.069 R)
• M5: 1,617,303 km (0.046 R)
• M6: 2,364,394 km (0.112 R)
• M7: 2,849,839 km (0.111 R)
• M8: 3,102,211 km (0.1 R)
• M9: 3,636,126 km (0.105 R)
• M10: 4,088,659 km (0.047 R)
• M11: 4,673,288 km (0.09 R)
• M12: 5,587,929 km (0.106 R)
• M13: 5,962,971 km (0.115 R)
• M14: 7,370,388 km (0.118 R)
• M15: 7,821,874 km (0.049 R)
• M16: 8,433,281 km (0.05 R)
• M17: 9,564,091 km (0.084 R)
• M18: 10,263,162 km (0.081 R)
• M19: 10,927,975 km (0.04 R)
• M20: 12,196,415 km (0.066 R)
• M21: 12,454,023 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.3

Radius: 9.3

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.33 AU - 2.47 AU

Year: 2439 Days

Day: 9.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,924,202 km

• M1: 115,789 km (0.096 R)
• M2: 449,242 km (0.088 R)
• M3: 1,036,564 km (0.114 R)
• M4: 1,338,751 km (0.098 R)
• M5: 2,201,781 km (0.071 R)
• M6: 3,745,482 km (0.098 R)
• M7: 4,721,907 km (0.12 R)
• M8: 5,933,052 km (0.067 R)
• M9: 6,518,578 km (0.052 R)
• M10: 7,511,907 km (0.039 R)
• M11: 15,168,775 km (0.039 R)
• M12: 16,311,553 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.9

Radius: 13.3

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.44 AU - 3.78 AU

Year: 3598 Days

Day: 8.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,924,202 km

• M1: 173,234 km (0.085 R)
• M2: 603,029 km (0.063 R)
• M3: 1,057,956 km (0.082 R)
• M4: 1,685,818 km (0.085 R)
• M5: 2,482,128 km (0.03 R)
• M6: 3,920,063 km (0.093 R)
• M7: 5,007,789 km (0.034 R)
• M8: 5,908,817 km (0.04 R)
• M9: 6,974,402 km (0.089 R)
• M10: 7,711,022 km (0.097 R)
• M11: 13,685,512 km (0.103 R)
• M12: 19,698,748 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.7

Radius: 12.7

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.52 AU - 3.88 AU

Year: 3755 Days

Day: 9.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,924,202 km

• M1: 157,975 km (0.118 R)
• M2: 672,293 km (0.047 R)
• M3: 1,307,037 km (0.045 R)
• M4: 2,111,724 km (0.108 R)
• M5: 2,613,475 km (0.071 R)
• M6: 4,036,300 km (0.059 R)
• M7: 4,755,866 km (0.118 R)
• M8: 5,210,494 km (0.106 R)
• M9: 5,785,249 km (0.09 R)
• M10: 6,650,822 km (0.072 R)
• M11: 7,274,496 km (0.12 R)
• M12: 8,851,856 km (0.104 R)
• M13: 9,704,863 km (0.047 R)
• M14: 10,716,144 km (0.106 R)
• M15: 12,172,180 km (0.093 R)
• M16: 12,594,794 km (0.095 R)
• M17: 13,633,004 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.1

Radius: 9.1

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 4.35 AU - 5.75 AU

Year: 7445 Days

Day: 11 Hours

Environment

Temp: -207 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 48,924,202 km

• M1: 113,246 km (0.111 R)
• M2: 397,631 km (0.084 R)
• M3: 687,253 km (0.098 R)
• M4: 1,030,879 km (0.106 R)
• M5: 1,640,939 km (0.092 R)
• M6: 2,474,798 km (0.061 R)
• M7: 3,220,842 km (0.115 R)
• M8: 3,522,880 km (0.078 R)
• M9: 3,820,131 km (0.105 R)
• M10: 4,732,678 km (0.041 R)
• M11: 5,690,703 km (0.117 R)
• M12: 6,634,666 km (0.103 R)
• M13: 7,198,350 km (0.099 R)
• M14: 13,025,337 km (0.058 R)
• M15: 14,891,421 km (0.057 R)
• M16: 15,248,960 km (0.118 R)
• M17: 16,043,324 km (0.073 R)
• M18: 21,854,454 km (0.111 R)
• M19: 22,471,994 km (0.099 R)
• M20: 23,660,998 km (0.087 R)
• M21: 24,642,060 km (0.116 R)
• M22: 24,975,065 km (0.112 R)
• M23: 26,250,537 km (0.104 R)
• M24: 28,838,580 km (0.043 R)
• M25: 30,912,156 km (0.098 R)
• M26: 31,396,853 km (0.088 R)
• M27: 32,381,656 km (0.085 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.9

Radius: 8.4

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 5.07 AU - 5.65 AU

Year: 8141 Days

Day: 11.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,924,202 km

• M1: 104,569 km (0.064 R)
• M2: 405,261 km (0.09 R)
• M3: 1,059,901 km (0.052 R)
• M4: 1,477,728 km (0.097 R)
• M5: 1,891,067 km (0.094 R)
• M6: 2,680,794 km (0.049 R)
• M7: 3,121,509 km (0.092 R)
• M8: 4,124,862 km (0.08 R)
• M9: 4,974,877 km (0.097 R)
• M10: 6,367,334 km (0.118 R)
• M11: 9,237,519 km (0.111 R)
• M12: 9,606,577 km (0.107 R)
• M13: 15,921,253 km (0.086 R)
• M14: 18,695,695 km (0.087 R)
• M15: 22,211,993 km (0.106 R)
• M16: 23,024,309 km (0.048 R)
• M17: 23,475,646 km (0.108 R)
• M18: 25,420,119 km (0.049 R)
• M19: 26,227,199 km (0.046 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.2

Radius: 12.3

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 4.57 AU - 6.55 AU

Year: 8600 Days

Day: 10.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 48,924,202 km

• M1: 154,385 km (0.064 R)
• M2: 649,853 km (0.085 R)
• M3: 1,244,654 km (0.094 R)
• M4: 1,772,286 km (0.116 R)
• M5: 2,272,242 km (0.101 R)
• M6: 2,708,320 km (0.05 R)
• M7: 3,135,571 km (0.08 R)
• M8: 3,727,530 km (0.092 R)
• M9: 5,227,249 km (0.072 R)
• M10: 8,079,931 km (0.082 R)
• M11: 8,583,028 km (0.119 R)
• M12: 9,241,408 km (0.077 R)
• M13: 11,060,519 km (0.12 R)
• M14: 13,921,877 km (0.03 R)
• M15: 15,395,865 km (0.047 R)
• M16: 19,015,834 km (0.091 R)
• M17: 19,983,583 km (0.04 R)
• M18: 21,140,872 km (0.03 R)
• M19: 24,705,640 km (0.099 R)
• M20: 26,310,226 km (0.032 R)
• M21: 29,627,559 km (0.117 R)
• M22: 32,474,706 km (0.113 R)
• M23: 36,737,796 km (0.046 R)
• M24: 37,656,178 km (0.103 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 208.4

Radius: 3.1

Gravity: 21.69 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 7.45 AU - 11.21 AU

Year: 18695 Days

Day: 19.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 48,924,202 km

• M1: 38,596 km (0.079 R)
• M2: 136,284 km (0.071 R)
• M3: 384,616 km (0.114 R)
• M4: 617,989 km (0.089 R)
• M5: 2,871,980 km (0.051 R)
• M6: 3,286,067 km (0.093 R)
• M7: 3,871,294 km (0.115 R)
• M8: 4,735,072 km (0.107 R)
• M9: 4,859,238 km (0.107 R)
• M10: 5,244,752 km (0.053 R)
• M11: 7,275,393 km (0.114 R)
• M12: 7,482,586 km (0.097 R)
• M13: 10,864,097 km (0.1 R)
• M14: 12,030,960 km (0.05 R)
• M15: 15,682,644 km (0.058 R)
• M16: 16,950,486 km (0.104 R)
• M17: 18,133,356 km (0.106 R)
• M18: 20,744,737 km (0.066 R)
• M19: 21,413,589 km (0.05 R)
• M20: 22,706,114 km (0.117 R)
• M21: 23,326,646 km (0.069 R)
• M22: 24,141,057 km (0.095 R)
• M23: 28,909,938 km (0.112 R)
• M24: 29,954,580 km (0.115 R)
• M25: 32,452,416 km (0.102 R)
• M26: 35,557,469 km (0.119 R)
• M27: 41,556,045 km (0.116 R)
• M28: 43,560,357 km (0.071 R)
• M29: 47,472,192 km (0.099 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 472 - 14,341 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit