🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.3

Radius: 8.5

Gravity: 12.64 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.8 AU - 0.98 AU

Year: 542 Days

Day: 8.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 89,879,057 km

• M1: 106,065 km (0.079 R)
• M2: 874,400 km (0.054 R)
• M3: 1,208,751 km (0.063 R)
• M4: 1,492,837 km (0.057 R)
• M5: 1,780,364 km (0.089 R)
• M6: 2,238,134 km (0.111 R)
• M7: 2,639,654 km (0.117 R)
• M8: 3,088,448 km (0.083 R)
• M9: 3,363,708 km (0.093 R)
• M10: 3,920,661 km (0.109 R)
• M11: 4,199,063 km (0.116 R)
• M12: 4,944,958 km (0.049 R)
• M13: 5,340,794 km (0.107 R)
• M14: 6,060,509 km (0.111 R)
• M15: 6,473,997 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.4

Radius: 8.8

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.85 AU - 1.09 AU

Year: 617 Days

Day: 8.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 53.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 89,879,057 km

• M1: 109,506 km (0.075 R)
• M2: 412,741 km (0.073 R)
• M3: 790,924 km (0.095 R)
• M4: 1,076,207 km (0.07 R)
• M5: 1,545,196 km (0.053 R)
• M6: 1,856,809 km (0.067 R)
• M7: 2,306,051 km (0.108 R)
• M8: 2,694,706 km (0.08 R)
• M9: 3,162,649 km (0.075 R)
• M10: 3,670,533 km (0.107 R)
• M11: 3,958,360 km (0.12 R)
• M12: 4,471,929 km (0.047 R)
• M13: 4,914,140 km (0.049 R)
• M14: 5,437,583 km (0.113 R)
• M15: 5,978,978 km (0.101 R)
• M16: 6,536,230 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.7

Radius: 12.6

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.61 AU - 2.25 AU

Year: 1731 Days

Day: 14.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 89,879,057 km

• M1: 156,629 km (0.116 R)
• M2: 1,165,218 km (0.102 R)
• M3: 2,075,371 km (0.034 R)
• M4: 2,639,206 km (0.112 R)
• M5: 3,045,962 km (0.116 R)
• M6: 3,462,592 km (0.105 R)
• M7: 4,412,090 km (0.103 R)
• M8: 4,825,579 km (0.094 R)
• M9: 6,104,640 km (0.103 R)
• M10: 6,927,129 km (0.082 R)
• M11: 8,021,587 km (0.118 R)
• M12: 8,670,992 km (0.082 R)
• M13: 9,515,621 km (0.086 R)
• M14: 10,175,946 km (0.094 R)
• M15: 12,419,166 km (0.076 R)
• M16: 12,928,398 km (0.092 R)
• M17: 13,988,747 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.2

Radius: 10.8

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.81 AU - 3.29 AU

Year: 3439 Days

Day: 10.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 89,879,057 km

• M1: 134,339 km (0.07 R)
• M2: 600,486 km (0.107 R)
• M3: 1,030,281 km (0.091 R)
• M4: 2,052,184 km (0.066 R)
• M5: 3,009,161 km (0.115 R)
• M6: 3,402,753 km (0.119 R)
• M7: 4,530,721 km (0.115 R)
• M8: 4,872,552 km (0.091 R)
• M9: 5,587,331 km (0.061 R)
• M10: 6,874,621 km (0.096 R)
• M11: 8,099,827 km (0.114 R)
• M12: 9,774,426 km (0.108 R)
• M13: 12,060,580 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.6

Radius: 9

Gravity: 11.96 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.74 AU - 3.8 AU

Year: 4726 Days

Day: 5.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 89,879,057 km

• M1: 111,899 km (0.066 R)
• M2: 596,297 km (0.075 R)
• M3: 1,302,399 km (0.095 R)
• M4: 1,786,647 km (0.114 R)
• M5: 2,071,482 km (0.103 R)
• M6: 2,591,634 km (0.093 R)
• M7: 2,921,048 km (0.112 R)
• M8: 4,178,418 km (0.063 R)
• M9: 5,794,524 km (0.07 R)
• M10: 7,173,966 km (0.104 R)
• M11: 7,753,209 km (0.119 R)
• M12: 8,882,074 km (0.046 R)
• M13: 9,550,029 km (0.116 R)
• M14: 11,657,414 km (0.06 R)
• M15: 13,241,356 km (0.101 R)
• M16: 14,392,662 km (0.098 R)
• M17: 14,963,826 km (0.096 R)
• M18: 17,273,019 km (0.116 R)
• M19: 17,593,607 km (0.053 R)
• M20: 18,848,135 km (0.071 R)
• M21: 20,445,242 km (0.114 R)
• M22: 27,046,397 km (0.109 R)
• M23: 31,582,205 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 902.2

Radius: 6.3

Gravity: 22.73 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 5.16 AU - 7.3 AU

Year: 10040 Days

Day: 18.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 89,879,057 km

• M1: 78,389 km (0.102 R)
• M2: 293,810 km (0.116 R)
• M3: 524,939 km (0.049 R)
• M4: 861,534 km (0.067 R)
• M5: 1,802,056 km (0.053 R)
• M6: 2,145,981 km (0.08 R)
• M7: 4,498,558 km (0.1 R)
• M8: 4,968,444 km (0.025 R)
• M9: 5,787,642 km (0.118 R)
• M10: 8,735,319 km (0.106 R)
• M11: 9,071,316 km (0.093 R)
• M12: 11,384,248 km (0.113 R)
• M13: 12,136,426 km (0.083 R)
• M14: 15,201,986 km (0.113 R)
• M15: 19,631,130 km (0.04 R)
• M16: 25,525,137 km (0.108 R)
• M17: 26,211,941 km (0.119 R)
• M18: 31,480,478 km (0.084 R)
• M19: 31,930,170 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 800.7

Radius: 5.8

Gravity: 23.8 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 10.35 AU - 11.77 AU

Year: 23749 Days

Day: 18.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 89,879,057 km

• M1: 72,106 km (0.065 R)
• M2: 313,258 km (0.11 R)
• M3: 498,011 km (0.112 R)
• M4: 1,054,665 km (0.051 R)
• M5: 1,252,583 km (0.113 R)
• M6: 1,475,334 km (0.09 R)
• M7: 4,403,413 km (0.108 R)
• M8: 6,584,251 km (0.065 R)
• M9: 8,201,404 km (0.097 R)
• M10: 10,066,291 km (0.085 R)
• M11: 11,230,761 km (0.038 R)
• M12: 12,482,446 km (0.065 R)
• M13: 12,993,323 km (0.087 R)
• M14: 15,928,284 km (0.049 R)
• M15: 17,056,401 km (0.115 R)
• M16: 21,269,227 km (0.043 R)
• M17: 23,504,369 km (0.062 R)
• M18: 24,058,629 km (0.067 R)
• M19: 25,891,203 km (0.12 R)
• M20: 28,435,114 km (0.082 R)
• M21: 32,215,004 km (0.092 R)
• M22: 33,592,351 km (0.062 R)
• M23: 34,865,130 km (0.107 R)
• M24: 36,316,678 km (0.095 R)
• M25: 49,407,838 km (0.065 R)
• M26: 51,422,622 km (0.116 R)
• M27: 57,393,821 km (0.094 R)
• M28: 62,111,390 km (0.107 R)
• M29: 63,596,897 km (0.09 R)
• M30: 66,198,255 km (0.085 R)
• M31: 67,302,736 km (0.078 R)
• M32: 78,784,971 km (0.029 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: 530 - 15,641 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit