🌌 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: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.2

Radius: 13.4

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.61 AU - 0.91 AU

Year: 442 Days

Day: 12.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,549,031 km

• M1: 166,652 km (0.102 R)
• M2: 647,759 km (0.079 R)
• M3: 1,084,884 km (0.065 R)
• M4: 1,625,979 km (0.098 R)
• M5: 2,413,014 km (0.058 R)
• M6: 2,851,485 km (0.103 R)
• M7: 3,429,232 km (0.078 R)
• M8: 3,960,454 km (0.087 R)
• M9: 4,531,469 km (0.11 R)
• M10: 5,043,543 km (0.093 R)
• M11: 5,491,289 km (0.049 R)
• M12: 6,129,474 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.9

Radius: 12.9

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.72 AU - 0.96 AU

Year: 513 Days

Day: 9.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,549,031 km

• M1: 160,818 km (0.088 R)
• M2: 594,352 km (0.106 R)
• M3: 1,044,492 km (0.087 R)
• M4: 1,524,103 km (0.119 R)
• M5: 1,965,716 km (0.06 R)
• M6: 2,532,692 km (0.081 R)
• M7: 3,301,176 km (0.116 R)
• M8: 4,053,654 km (0.062 R)
• M9: 5,043,692 km (0.075 R)
• M10: 5,502,808 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.5

Radius: 8.3

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.89 AU - 1.09 AU

Year: 657 Days

Day: 10.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 84.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 41,549,031 km

• M1: 103,522 km (0.096 R)
• M2: 387,458 km (0.077 R)
• M3: 862,731 km (0.097 R)
• M4: 2,777,135 km (0.108 R)
• M5: 3,279,485 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.9

Radius: 11.6

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.91 AU - 1.27 AU

Year: 759 Days

Day: 12.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,549,031 km

• M1: 144,811 km (0.115 R)
• M2: 575,503 km (0.097 R)
• M3: 940,073 km (0.07 R)
• M4: 1,336,956 km (0.092 R)
• M5: 1,732,493 km (0.114 R)
• M6: 2,374,118 km (0.108 R)
• M7: 3,046,860 km (0.12 R)
• M8: 3,676,068 km (0.062 R)
• M9: 4,088,061 km (0.111 R)
• M10: 4,499,455 km (0.115 R)
• M11: 5,005,844 km (0.105 R)
• M12: 5,623,234 km (0.091 R)
• M13: 6,094,617 km (0.074 R)
• M14: 6,862,054 km (0.119 R)
• M15: 7,291,101 km (0.089 R)
• M16: 7,670,032 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.6

Radius: 11.4

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.32 AU - 1.42 AU

Year: 1069 Days

Day: 11.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,549,031 km

• M1: 141,819 km (0.115 R)
• M2: 582,684 km (0.085 R)
• M3: 1,155,793 km (0.085 R)
• M4: 1,574,966 km (0.102 R)
• M5: 2,158,697 km (0.106 R)
• M6: 2,549,148 km (0.074 R)
• M7: 3,578,830 km (0.039 R)
• M8: 4,315,300 km (0.027 R)
• M9: 4,866,868 km (0.116 R)
• M10: 5,545,443 km (0.083 R)
• M11: 6,067,989 km (0.066 R)
• M12: 6,532,191 km (0.075 R)
• M13: 6,925,185 km (0.086 R)
• M14: 7,810,056 km (0.118 R)
• M15: 8,879,830 km (0.113 R)
• M16: 9,334,159 km (0.056 R)
• M17: 9,954,093 km (0.069 R)
• M18: 10,601,104 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.8

Radius: 9.9

Gravity: 8.67 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.96 AU - 5.56 AU

Year: 6925 Days

Day: 14.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 41,549,031 km

• M1: 125,662 km (0.095 R)
• M2: 522,545 km (0.101 R)
• M3: 1,063,342 km (0.102 R)
• M4: 3,363,409 km (0.057 R)
• M5: 3,834,642 km (0.072 R)
• M6: 4,512,769 km (0.118 R)
• M7: 8,046,421 km (0.101 R)
• M8: 8,718,115 km (0.092 R)
• M9: 9,201,167 km (0.055 R)
• M10: 10,268,996 km (0.086 R)
• M11: 11,730,717 km (0.04 R)
• M12: 14,387,126 km (0.043 R)
• M13: 15,694,313 km (0.12 R)
• M14: 19,417,205 km (0.112 R)
• M15: 20,394,379 km (0.111 R)
• M16: 21,641,426 km (0.089 R)
• M17: 23,270,996 km (0.057 R)
• M18: 24,030,355 km (0.093 R)
• M19: 28,744,782 km (0.081 R)
• M20: 29,815,604 km (0.102 R)
• M21: 32,140,055 km (0.067 R)
• M22: 35,905,284 km (0.112 R)
• M23: 37,951,633 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.4

Radius: 9.9

Gravity: 8.6 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 4.59 AU - 5.25 AU

Year: 7277 Days

Day: 5.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 41,549,031 km

• M1: 125,513 km (0.115 R)
• M2: 558,299 km (0.069 R)
• M3: 1,102,387 km (0.092 R)
• M4: 1,417,889 km (0.097 R)
• M5: 2,204,474 km (0.117 R)
• M6: 2,695,604 km (0.054 R)
• M7: 5,395,098 km (0.098 R)
• M8: 6,049,289 km (0.077 R)
• M9: 6,573,929 km (0.085 R)
• M10: 8,205,742 km (0.115 R)
• M11: 9,342,237 km (0.088 R)
• M12: 10,580,459 km (0.118 R)
• M13: 10,982,728 km (0.05 R)
• M14: 11,924,895 km (0.089 R)
• M15: 13,206,350 km (0.095 R)
• M16: 17,669,603 km (0.11 R)
• M17: 18,093,563 km (0.066 R)
• M18: 22,797,369 km (0.032 R)
• M19: 26,841,748 km (0.116 R)
• M20: 34,093,504 km (0.039 R)
• M21: 34,750,837 km (0.075 R)
• M22: 38,519,058 km (0.059 R)
• M23: 39,232,341 km (0.103 R)
• M24: 40,807,756 km (0.062 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 392 - 12,188 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit