🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.8

Radius: 9.5

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.51 AU - 0.65 AU

Year: 305 Days

Day: 14.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,197,762 km

• M1: 118,182 km (0.065 R)
• M2: 428,299 km (0.112 R)
• M3: 732,581 km (0.104 R)
• M4: 1,041,052 km (0.04 R)
• M5: 1,462,020 km (0.088 R)
• M6: 1,763,460 km (0.059 R)
• M7: 2,160,492 km (0.046 R)
• M8: 2,599,263 km (0.047 R)
• M9: 3,373,731 km (0.116 R)
• M10: 3,746,529 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.9

Radius: 14.1

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.73 AU - 0.89 AU

Year: 503 Days

Day: 7.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 81,197,762 km

• M1: 175,478 km (0.077 R)
• M2: 737,667 km (0.066 R)
• M3: 1,233,285 km (0.105 R)
• M4: 1,690,606 km (0.115 R)
• M5: 2,281,816 km (0.081 R)
• M6: 3,031,750 km (0.098 R)
• M7: 4,324,874 km (0.085 R)
• M8: 5,579,402 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.2

Radius: 8

Gravity: 9.1 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.5 AU - 1.86 AU

Year: 1503 Days

Day: 14.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,197,762 km

• M1: 99,782 km (0.116 R)
• M2: 674,088 km (0.11 R)
• M3: 1,355,357 km (0.119 R)
• M4: 2,149,871 km (0.08 R)
• M5: 2,408,825 km (0.099 R)
• M6: 2,728,516 km (0.052 R)
• M7: 3,223,834 km (0.062 R)
• M8: 3,501,189 km (0.09 R)
• M9: 5,054,014 km (0.025 R)
• M10: 6,307,495 km (0.103 R)
• M11: 6,644,838 km (0.116 R)
• M12: 7,594,336 km (0.075 R)
• M13: 9,077,898 km (0.108 R)
• M14: 9,570,973 km (0.095 R)
• M15: 9,855,957 km (0.095 R)
• M16: 11,580,072 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.5

Radius: 9.2

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.63 AU - 3.81 AU

Year: 3988 Days

Day: 13.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 81,197,762 km

• M1: 130,749 km (0.114 R)
• M2: 612,304 km (0.087 R)
• M3: 1,003,503 km (0.032 R)
• M4: 1,570,778 km (0.072 R)
• M5: 3,207,229 km (0.115 R)
• M6: 4,298,545 km (0.045 R)
• M7: 4,720,561 km (0.095 R)
• M8: 5,144,372 km (0.088 R)
• M9: 5,841,498 km (0.082 R)
• M10: 6,213,099 km (0.117 R)
• M11: 7,522,679 km (0.078 R)
• M12: 8,066,916 km (0.077 R)
• M13: 9,007,288 km (0.108 R)
• M14: 9,938,535 km (0.037 R)
• M15: 10,469,158 km (0.109 R)
• M16: 11,586,953 km (0.094 R)
• M17: 12,593,149 km (0.1 R)
• M18: 13,214,728 km (0.046 R)
• M19: 16,127,698 km (0.042 R)
• M20: 17,380,879 km (0.11 R)
• M21: 18,759,274 km (0.037 R)
• M22: 21,732,083 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.2

Radius: 15

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.73 AU - 3.85 AU

Year: 5093 Days

Day: 11.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,197,762 km

• M1: 186,698 km (0.113 R)
• M2: 922,720 km (0.06 R)
• M3: 1,417,889 km (0.066 R)
• M4: 2,987,769 km (0.108 R)
• M5: 3,532,305 km (0.114 R)
• M6: 4,006,530 km (0.054 R)
• M7: 4,875,694 km (0.108 R)
• M8: 5,607,676 km (0.05 R)
• M9: 6,633,020 km (0.083 R)
• M10: 9,134,895 km (0.085 R)
• M11: 10,207,661 km (0.099 R)
• M12: 11,924,745 km (0.085 R)
• M13: 12,802,287 km (0.09 R)
• M14: 13,880,139 km (0.108 R)
• M15: 16,216,559 km (0.1 R)
• M16: 17,050,717 km (0.058 R)
• M17: 18,740,125 km (0.084 R)
• M18: 19,725,676 km (0.119 R)
• M19: 23,864,301 km (0.078 R)
• M20: 27,533,787 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 634.2

Radius: 7.5

Gravity: 11.27 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 5.88 AU - 7.04 AU

Year: 11333 Days

Day: 21.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 81,197,762 km

• M1: 93,648 km (0.049 R)
• M2: 446,400 km (0.056 R)
• M3: 751,131 km (0.106 R)
• M4: 1,091,017 km (0.093 R)
• M5: 1,421,180 km (0.108 R)
• M6: 1,948,213 km (0.098 R)
• M7: 2,578,469 km (0.044 R)
• M8: 3,264,974 km (0.074 R)
• M9: 3,586,908 km (0.064 R)
• M10: 3,848,704 km (0.06 R)
• M11: 4,411,192 km (0.091 R)
• M12: 4,963,209 km (0.115 R)
• M13: 5,560,104 km (0.055 R)
• M14: 8,480,853 km (0.052 R)
• M15: 8,995,170 km (0.048 R)
• M16: 11,097,170 km (0.05 R)
• M17: 12,232,618 km (0.106 R)
• M18: 12,647,752 km (0.117 R)
• M19: 14,732,698 km (0.054 R)
• M20: 16,102,116 km (0.114 R)
• M21: 16,963,501 km (0.026 R)
• M22: 17,405,413 km (0.112 R)
• M23: 19,250,553 km (0.037 R)
• M24: 20,138,417 km (0.12 R)
• M25: 22,609,474 km (0.072 R)
• M26: 24,613,786 km (0.061 R)
• M27: 25,275,607 km (0.074 R)
• M28: 29,077,039 km (0.114 R)
• M29: 35,348,331 km (0.06 R)
• M30: 37,169,386 km (0.088 R)
• M31: 41,394,329 km (0.085 R)
• M32: 43,142,979 km (0.111 R)
• M33: 43,553,475 km (0.095 R)
• M34: 44,382,098 km (0.099 R)
• M35: 45,786,523 km (0.045 R)
• M36: 49,426,688 km (0.034 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 591.8

Radius: 6

Gravity: 16.44 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 9.51 AU - 11.63 AU

Year: 23720 Days

Day: 22.4 Hours

Environment

Temp: -244 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 81,197,762 km

• M1: 74,799 km (0.085 R)
• M2: 306,825 km (0.096 R)
• M3: 783,743 km (0.045 R)
• M4: 1,253,032 km (0.104 R)
• M5: 2,053,081 km (0.083 R)
• M6: 2,468,066 km (0.092 R)
• M7: 3,582,719 km (0.106 R)
• M8: 4,561,239 km (0.072 R)
• M9: 6,479,533 km (0.118 R)
• M10: 6,844,551 km (0.073 R)
• M11: 7,032,297 km (0.032 R)
• M12: 11,155,364 km (0.045 R)
• M13: 11,613,283 km (0.049 R)
• M14: 12,848,662 km (0.051 R)
• M15: 15,984,682 km (0.112 R)
• M16: 17,076,747 km (0.082 R)
• M17: 17,861,387 km (0.098 R)
• M18: 19,315,179 km (0.098 R)
• M19: 22,250,439 km (0.09 R)
• M20: 26,840,401 km (0.119 R)
• M21: 27,661,993 km (0.073 R)
• M22: 28,379,614 km (0.049 R)
• M23: 28,986,981 km (0.058 R)
• M24: 32,549,505 km (0.056 R)
• M25: 33,349,105 km (0.09 R)
• M26: 34,848,974 km (0.115 R)
• M27: 37,544,578 km (0.101 R)
• M28: 48,328,490 km (0.052 R)
• M29: 56,879,205 km (0.053 R)
• M30: 58,819,938 km (0.092 R)
• M31: 60,404,030 km (0.11 R)
• M32: 61,610,686 km (0.025 R)
• M33: 75,033,206 km (0.044 R)
• M34: 75,264,334 km (0.095 R)
• M35: 75,960,563 km (0.052 R)
• M36: 76,895,550 km (0.044 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 288 - 17,909 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit