🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.1

Radius: 11.3

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.63 AU - 0.91 AU

Year: 430 Days

Day: 14 Hours

Environment

Temp: -142 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 65,553,119 km

• M1: 165,904 km (0.114 R)
• M2: 721,660 km (0.083 R)
• M3: 1,302,997 km (0.095 R)
• M4: 1,909,467 km (0.072 R)
• M5: 2,437,847 km (0.083 R)
• M6: 3,201,394 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.3

Radius: 9.5

Gravity: 7 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.95 AU - 1.01 AU

Year: 617 Days

Day: 5.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 129.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,553,119 km

• M1: 118,631 km (0.058 R)
• M2: 517,459 km (0.032 R)
• M3: 838,496 km (0.089 R)
• M4: 1,329,626 km (0.096 R)
• M5: 1,657,844 km (0.065 R)
• M6: 2,234,543 km (0.074 R)
• M7: 2,693,061 km (0.092 R)
• M8: 2,997,792 km (0.084 R)
• M9: 3,325,411 km (0.11 R)
• M10: 4,319,040 km (0.095 R)
• M11: 5,151,552 km (0.098 R)
• M12: 5,843,442 km (0.111 R)
• M13: 6,819,718 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.4

Radius: 14.1

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.9 AU - 1.38 AU

Year: 774 Days

Day: 12.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,553,119 km

• M1: 175,329 km (0.038 R)
• M2: 685,457 km (0.088 R)
• M3: 1,716,935 km (0.113 R)
• M4: 2,197,144 km (0.093 R)
• M5: 2,789,551 km (0.116 R)
• M6: 3,400,360 km (0.106 R)
• M7: 3,919,614 km (0.083 R)
• M8: 5,135,844 km (0.068 R)
• M9: 5,877,102 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.7

Radius: 10.8

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.3 AU - 3.42 AU

Year: 3916 Days

Day: 6.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,553,119 km

• M1: 134,638 km (0.082 R)
• M2: 551,717 km (0.056 R)
• M3: 1,431,502 km (0.081 R)
• M4: 1,980,077 km (0.112 R)
• M5: 3,501,338 km (0.1 R)
• M6: 4,453,828 km (0.082 R)
• M7: 5,063,439 km (0.095 R)
• M8: 6,321,557 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.6

Radius: 12.9

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 4.03 AU - 6.47 AU

Year: 7648 Days

Day: 12.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,553,119 km

• M1: 162,164 km (0.11 R)
• M2: 1,033,272 km (0.09 R)
• M3: 2,224,371 km (0.116 R)
• M4: 2,660,748 km (0.111 R)
• M5: 5,925,572 km (0.103 R)
• M6: 7,315,485 km (0.073 R)
• M7: 8,293,108 km (0.083 R)
• M8: 9,479,568 km (0.095 R)
• M9: 10,463,623 km (0.079 R)
• M10: 12,634,438 km (0.076 R)
• M11: 14,921,490 km (0.089 R)
• M12: 15,490,560 km (0.113 R)
• M13: 20,231,915 km (0.081 R)
• M14: 27,778,679 km (0.088 R)
• M15: 28,380,362 km (0.091 R)
• M16: 29,431,885 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 669.4

Radius: 4.8

Gravity: 29.05 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 5.01 AU - 7.19 AU

Year: 9579 Days

Day: 24.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,553,119 km

• M1: 59,690 km (0.108 R)
• M2: 315,652 km (0.08 R)
• M3: 469,139 km (0.078 R)
• M4: 738,565 km (0.03 R)
• M5: 1,030,281 km (0.101 R)
• M6: 1,369,419 km (0.085 R)
• M7: 1,558,211 km (0.043 R)
• M8: 3,455,412 km (0.043 R)
• M9: 3,807,266 km (0.118 R)
• M10: 4,045,874 km (0.077 R)
• M11: 4,671,194 km (0.097 R)
• M12: 4,821,839 km (0.077 R)
• M13: 7,010,306 km (0.117 R)
• M14: 10,332,875 km (0.089 R)
• M15: 13,819,702 km (0.115 R)
• M16: 14,962,330 km (0.085 R)
• M17: 17,506,092 km (0.112 R)
• M18: 18,017,717 km (0.03 R)
• M19: 18,765,856 km (0.104 R)
• M20: 23,783,668 km (0.091 R)
• M21: 27,813,087 km (0.035 R)
• M22: 31,197,439 km (0.1 R)
• M23: 42,060,788 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 374.4

Radius: 8

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 9.63 AU - 11.37 AU

Year: 21633 Days

Day: 24.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 65,553,119 km

• M1: 99,483 km (0.032 R)
• M2: 357,689 km (0.116 R)
• M3: 607,517 km (0.074 R)
• M4: 2,787,308 km (0.109 R)
• M5: 3,982,146 km (0.055 R)
• M6: 4,845,625 km (0.047 R)
• M7: 5,906,274 km (0.078 R)
• M8: 6,224,468 km (0.046 R)
• M9: 6,638,106 km (0.091 R)
• M10: 8,330,357 km (0.103 R)
• M11: 9,302,744 km (0.088 R)
• M12: 9,625,127 km (0.091 R)
• M13: 10,066,291 km (0.069 R)
• M14: 10,406,028 km (0.025 R)
• M15: 10,930,069 km (0.097 R)
• M16: 11,349,691 km (0.083 R)
• M17: 14,096,607 km (0.105 R)
• M18: 18,577,064 km (0.108 R)
• M19: 21,508,284 km (0.102 R)
• M20: 24,326,858 km (0.045 R)
• M21: 24,631,888 km (0.078 R)
• M22: 25,042,384 km (0.097 R)
• M23: 26,730,596 km (0.078 R)
• M24: 28,268,762 km (0.065 R)
• M25: 31,761,872 km (0.11 R)
• M26: 32,248,215 km (0.043 R)
• M27: 33,990,132 km (0.078 R)
• M28: 34,755,625 km (0.062 R)
• M29: 38,342,533 km (0.082 R)
• M30: 57,287,757 km (0.083 R)
• M31: 62,461,300 km (0.069 R)
• M32: 63,224,997 km (0.116 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 240 - 13,108 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit