🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.5

Radius: 11

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.57 AU - 0.89 AU

Year: 416 Days

Day: 7.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,464,121 km

• M1: 136,732 km (0.103 R)
• M2: 512,373 km (0.073 R)
• M3: 915,689 km (0.12 R)
• M4: 1,326,335 km (0.072 R)
• M5: 1,702,125 km (0.106 R)
• M6: 2,193,703 km (0.103 R)
• M7: 3,160,704 km (0.11 R)
• M8: 3,567,610 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442

Radius: 8

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.05 AU - 1.09 AU

Year: 738 Days

Day: 13.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,464,121 km

• M1: 99,483 km (0.091 R)
• M2: 394,639 km (0.07 R)
• M3: 992,731 km (0.03 R)
• M4: 1,473,240 km (0.095 R)
• M5: 2,037,373 km (0.088 R)
• M6: 2,565,155 km (0.081 R)
• M7: 3,205,583 km (0.054 R)
• M8: 4,735,969 km (0.067 R)
• M9: 5,715,387 km (0.096 R)
• M10: 6,762,273 km (0.029 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.6

Radius: 8.3

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.95 AU - 3.31 AU

Year: 3693 Days

Day: 10.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,464,121 km

• M1: 103,372 km (0.058 R)
• M2: 376,538 km (0.077 R)
• M3: 731,085 km (0.098 R)
• M4: 1,620,295 km (0.118 R)
• M5: 1,961,976 km (0.072 R)
• M6: 2,376,661 km (0.062 R)
• M7: 3,366,401 km (0.06 R)
• M8: 5,299,654 km (0.043 R)
• M9: 6,451,558 km (0.099 R)
• M10: 7,762,035 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.8

Radius: 8.2

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 3.12 AU - 3.16 AU

Year: 3710 Days

Day: 12 Hours

Environment

Temp: -210 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,464,121 km

• M1: 106,514 km (0.078 R)
• M2: 736,620 km (0.085 R)
• M3: 1,529,937 km (0.092 R)
• M4: 2,484,821 km (0.111 R)
• M5: 2,941,693 km (0.043 R)
• M6: 3,341,119 km (0.086 R)
• M7: 4,742,701 km (0.051 R)
• M8: 8,784,836 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.8

Radius: 11.6

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 3.47 AU - 3.87 AU

Year: 4688 Days

Day: 12.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,464,121 km

• M1: 145,409 km (0.112 R)
• M2: 550,819 km (0.117 R)
• M3: 961,914 km (0.117 R)
• M4: 2,173,507 km (0.093 R)
• M5: 2,728,516 km (0.109 R)
• M6: 3,356,677 km (0.116 R)
• M7: 3,726,932 km (0.109 R)
• M8: 4,674,485 km (0.078 R)
• M9: 5,548,136 km (0.065 R)
• M10: 7,141,802 km (0.09 R)
• M11: 7,900,712 km (0.11 R)
• M12: 10,160,388 km (0.078 R)
• M13: 11,622,857 km (0.087 R)
• M14: 12,140,316 km (0.087 R)
• M15: 12,722,252 km (0.027 R)
• M16: 15,182,389 km (0.099 R)
• M17: 16,319,781 km (0.083 R)
• M18: 17,696,979 km (0.108 R)
• M19: 20,818,488 km (0.087 R)
• M20: 22,149,610 km (0.095 R)
• M21: 25,606,368 km (0.115 R)
• M22: 27,961,637 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506

Radius: 13.5

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.97 AU - 5.67 AU

Year: 7057 Days

Day: 14 Hours

Environment

Temp: -218 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,464,121 km

• M1: 171,439 km (0.088 R)
• M2: 747,989 km (0.104 R)
• M3: 1,246,300 km (0.119 R)
• M4: 2,306,350 km (0.075 R)
• M5: 2,791,496 km (0.091 R)
• M6: 3,282,177 km (0.088 R)
• M7: 5,489,793 km (0.043 R)
• M8: 7,330,744 km (0.077 R)
• M9: 7,773,704 km (0.112 R)
• M10: 8,511,670 km (0.115 R)
• M11: 9,085,079 km (0.113 R)
• M12: 9,727,901 km (0.026 R)
• M13: 13,137,984 km (0.063 R)
• M14: 13,627,618 km (0.034 R)
• M15: 14,413,755 km (0.083 R)
• M16: 15,289,202 km (0.034 R)
• M17: 18,129,467 km (0.098 R)
• M18: 24,018,387 km (0.092 R)
• M19: 29,655,235 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.6

Radius: 14.9

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 5.04 AU - 5.34 AU

Year: 7885 Days

Day: 10.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 143.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,464,121 km

• M1: 275,858 km (0.077 R)
• M2: 747,840 km (0.055 R)
• M3: 2,123,991 km (0.086 R)
• M4: 3,865,759 km (0.111 R)
• M5: 4,518,454 km (0.094 R)
• M6: 6,638,106 km (0.045 R)
• M7: 7,736,603 km (0.11 R)
• M8: 10,101,596 km (0.111 R)
• M9: 11,140,254 km (0.081 R)
• M10: 15,121,802 km (0.105 R)
• M11: 23,918,156 km (0.076 R)
• M12: 32,064,508 km (0.072 R)
• M13: 37,446,741 km (0.117 R)
• M14: 39,446,565 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 669.4

Radius: 5.2

Gravity: 24.76 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 5.82 AU - 9.64 AU

Year: 14332 Days

Day: 19.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 60,464,121 km

• M1: 65,374 km (0.098 R)
• M2: 256,560 km (0.117 R)
• M3: 479,012 km (0.087 R)
• M4: 878,887 km (0.109 R)
• M5: 1,078,002 km (0.108 R)
• M6: 1,280,109 km (0.047 R)
• M7: 1,568,384 km (0.111 R)
• M8: 2,438,595 km (0.06 R)
• M9: 3,224,433 km (0.111 R)
• M10: 4,412,838 km (0.112 R)
• M11: 7,751,264 km (0.1 R)
• M12: 7,982,842 km (0.059 R)
• M13: 8,508,379 km (0.084 R)
• M14: 8,955,377 km (0.064 R)
• M15: 9,522,652 km (0.099 R)
• M16: 9,895,899 km (0.085 R)
• M17: 10,502,219 km (0.096 R)
• M18: 12,218,855 km (0.07 R)
• M19: 14,669,567 km (0.032 R)
• M20: 15,023,965 km (0.098 R)
• M21: 15,384,196 km (0.086 R)
• M22: 20,340,972 km (0.104 R)
• M23: 21,591,012 km (0.089 R)
• M24: 23,464,725 km (0.038 R)
• M25: 26,369,766 km (0.089 R)
• M26: 28,948,385 km (0.101 R)
• M27: 30,070,668 km (0.042 R)
• M28: 34,475,577 km (0.109 R)
• M29: 37,157,418 km (0.107 R)
• M30: 40,250,803 km (0.091 R)
• M31: 41,365,756 km (0.114 R)
• M32: 44,685,632 km (0.061 R)
• M33: 45,730,124 km (0.091 R)
• M34: 59,383,473 km (0.098 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: 289 - 13,231 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit