🌌 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: 777.5

Radius: 11.7

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.57 AU - 0.93 AU

Year: 433 Days

Day: 14.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,397,188 km

• M1: 145,559 km (0.104 R)
• M2: 617,540 km (0.099 R)
• M3: 1,026,840 km (0.057 R)
• M4: 1,518,867 km (0.103 R)
• M5: 2,038,720 km (0.117 R)
• M6: 2,411,667 km (0.088 R)
• M7: 3,080,519 km (0.104 R)
• M8: 3,613,237 km (0.106 R)
• M9: 4,193,079 km (0.088 R)
• M10: 4,638,132 km (0.075 R)
• M11: 5,051,471 km (0.066 R)
• M12: 5,455,984 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.8

Radius: 10.8

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.29 AU - 3.47 AU

Year: 3259 Days

Day: 12.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,397,188 km

• M1: 137,630 km (0.084 R)
• M2: 498,759 km (0.119 R)
• M3: 1,562,400 km (0.081 R)
• M4: 3,314,042 km (0.093 R)
• M5: 7,441,148 km (0.069 R)
• M6: 7,869,746 km (0.095 R)
• M7: 8,747,436 km (0.048 R)
• M8: 9,974,588 km (0.117 R)
• M9: 10,463,324 km (0.04 R)
• M10: 10,899,701 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.2

Radius: 11.5

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.8 AU - 3.42 AU

Year: 3657 Days

Day: 13.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,397,188 km

• M1: 143,016 km (0.106 R)
• M2: 508,782 km (0.091 R)
• M3: 1,317,359 km (0.066 R)
• M4: 1,928,616 km (0.034 R)
• M5: 2,552,588 km (0.043 R)
• M6: 3,787,519 km (0.064 R)
• M7: 4,314,103 km (0.032 R)
• M8: 6,925,933 km (0.061 R)
• M9: 8,682,810 km (0.113 R)
• M10: 10,084,392 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.5

Radius: 10

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 4.51 AU - 6.73 AU

Year: 8885 Days

Day: 8.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 68,397,188 km

• M1: 129,103 km (0.067 R)
• M2: 476,020 km (0.068 R)
• M3: 982,409 km (0.095 R)
• M4: 1,363,884 km (0.074 R)
• M5: 1,859,202 km (0.06 R)
• M6: 2,875,720 km (0.028 R)
• M7: 3,235,054 km (0.06 R)
• M8: 4,665,958 km (0.1 R)
• M9: 5,537,964 km (0.072 R)
• M10: 7,842,369 km (0.087 R)
• M11: 10,475,292 km (0.089 R)
• M12: 11,910,534 km (0.093 R)
• M13: 13,943,120 km (0.04 R)
• M14: 17,827,728 km (0.069 R)
• M15: 21,812,566 km (0.075 R)
• M16: 22,461,671 km (0.079 R)
• M17: 23,459,190 km (0.097 R)
• M18: 25,542,490 km (0.098 R)
• M19: 26,263,552 km (0.074 R)
• M20: 26,905,476 km (0.099 R)
• M21: 28,604,459 km (0.05 R)
• M22: 29,677,226 km (0.109 R)
• M23: 31,490,202 km (0.11 R)
• M24: 35,224,763 km (0.119 R)
• M25: 38,417,182 km (0.091 R)
• M26: 40,446,926 km (0.097 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 297.9

Radius: 5.4

Gravity: 10.22 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 5.65 AU - 5.85 AU

Year: 9195 Days

Day: 22.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 68,397,188 km

• M1: 70,311 km (0.027 R)
• M2: 379,979 km (0.074 R)
• M3: 655,687 km (0.105 R)
• M4: 965,056 km (0.119 R)
• M5: 1,138,290 km (0.101 R)
• M6: 1,438,084 km (0.102 R)
• M7: 1,817,165 km (0.068 R)
• M8: 2,053,530 km (0.078 R)
• M9: 2,429,170 km (0.034 R)
• M10: 2,907,584 km (0.086 R)
• M11: 5,584,489 km (0.028 R)
• M12: 5,862,890 km (0.061 R)
• M13: 6,281,315 km (0.091 R)
• M14: 6,582,456 km (0.118 R)
• M15: 7,506,821 km (0.116 R)
• M16: 7,922,853 km (0.055 R)
• M17: 9,349,269 km (0.111 R)
• M18: 9,522,353 km (0.098 R)
• M19: 12,229,925 km (0.118 R)
• M20: 12,699,662 km (0.108 R)
• M21: 13,898,540 km (0.057 R)
• M22: 14,992,998 km (0.114 R)
• M23: 16,081,771 km (0.032 R)
• M24: 16,456,065 km (0.104 R)
• M25: 16,836,193 km (0.076 R)
• M26: 18,347,880 km (0.091 R)
• M27: 19,451,314 km (0.116 R)
• M28: 23,184,080 km (0.076 R)
• M29: 25,723,055 km (0.061 R)
• M30: 28,989,075 km (0.109 R)
• M31: 29,636,535 km (0.106 R)
• M32: 30,010,829 km (0.083 R)
• M33: 33,928,797 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 706.1

Radius: 3.7

Gravity: 51.58 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 8.01 AU - 9.17 AU

Year: 16789 Days

Day: 21.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 68,397,188 km

• M1: 53,556 km (0.114 R)
• M2: 375,939 km (0.108 R)
• M3: 522,246 km (0.054 R)
• M4: 688,150 km (0.093 R)
• M5: 845,527 km (0.116 R)
• M6: 1,139,786 km (0.113 R)
• M7: 1,391,410 km (0.107 R)
• M8: 1,595,162 km (0.06 R)
• M9: 2,661,945 km (0.079 R)
• M10: 3,424,744 km (0.117 R)
• M11: 3,767,024 km (0.109 R)
• M12: 5,789,438 km (0.095 R)
• M13: 6,612,675 km (0.065 R)
• M14: 7,325,209 km (0.097 R)
• M15: 10,050,135 km (0.078 R)
• M16: 11,110,634 km (0.076 R)
• M17: 11,667,886 km (0.096 R)
• M18: 11,985,333 km (0.112 R)
• M19: 12,113,987 km (0.03 R)
• M20: 12,770,871 km (0.116 R)
• M21: 13,800,254 km (0.108 R)
• M22: 14,299,163 km (0.07 R)
• M23: 14,516,529 km (0.115 R)
• M24: 16,573,649 km (0.105 R)
• M25: 17,464,654 km (0.111 R)
• M26: 18,132,309 km (0.092 R)
• M27: 19,429,921 km (0.09 R)
• M28: 22,111,762 km (0.114 R)
• M29: 29,229,030 km (0.092 R)
• M30: 32,109,388 km (0.116 R)
• M31: 32,607,100 km (0.083 R)
• M32: 33,617,933 km (0.113 R)
• M33: 34,780,009 km (0.119 R)
• M34: 34,910,757 km (0.117 R)
• M35: 35,569,437 km (0.107 R)
• M36: 36,505,321 km (0.097 R)
• M37: 38,987,299 km (0.099 R)
• M38: 40,269,353 km (0.117 R)
• M39: 44,900,455 km (0.1 R)
• M40: 51,723,464 km (0.114 R)
• M41: 52,751,351 km (0.119 R)
• M42: 57,545,215 km (0.11 R)
• M43: 63,593,008 km (0.091 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 244 - 16,966 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit