🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.3

Radius: 8.7

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.62 AU - 0.68 AU

Year: 355 Days

Day: 13.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,332,062 km

• M1: 108,458 km (0.102 R)
• M2: 391,198 km (0.115 R)
• M3: 681,867 km (0.118 R)
• M4: 970,741 km (0.114 R)
• M5: 1,337,555 km (0.085 R)
• M6: 1,912,310 km (0.104 R)
• M7: 2,471,506 km (0.107 R)
• M8: 3,580,176 km (0.108 R)
• M9: 3,949,085 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.4

Radius: 12.4

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.7 AU - 1.16 AU

Year: 608 Days

Day: 10.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,332,062 km

• M1: 154,235 km (0.076 R)
• M2: 741,108 km (0.104 R)
• M3: 1,142,479 km (0.059 R)
• M4: 1,543,102 km (0.092 R)
• M5: 2,003,714 km (0.061 R)
• M6: 2,452,208 km (0.089 R)
• M7: 3,258,990 km (0.106 R)
• M8: 3,773,307 km (0.093 R)
• M9: 4,295,852 km (0.119 R)
• M10: 4,767,834 km (0.105 R)
• M11: 5,742,314 km (0.105 R)
• M12: 6,950,167 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.6

Radius: 14.3

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.55 AU - 3.15 AU

Year: 3263 Days

Day: 7.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,332,062 km

• M1: 177,872 km (0.086 R)
• M2: 746,344 km (0.11 R)
• M3: 1,273,975 km (0.1 R)
• M4: 2,207,317 km (0.039 R)
• M5: 2,911,773 km (0.056 R)
• M6: 3,660,510 km (0.103 R)
• M7: 4,191,732 km (0.093 R)
• M8: 7,268,811 km (0.089 R)
• M9: 7,870,494 km (0.119 R)
• M10: 8,469,184 km (0.114 R)
• M11: 9,958,431 km (0.101 R)
• M12: 11,130,830 km (0.065 R)
• M13: 14,052,626 km (0.083 R)
• M14: 15,149,028 km (0.1 R)
• M15: 15,745,625 km (0.09 R)
• M16: 17,218,266 km (0.046 R)
• M17: 18,290,434 km (0.054 R)
• M18: 19,724,629 km (0.118 R)
• M19: 21,502,600 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.9

Radius: 14.3

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 3.07 AU - 3.97 AU

Year: 4479 Days

Day: 5.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,332,062 km

• M1: 237,412 km (0.064 R)
• M2: 840,590 km (0.039 R)
• M3: 1,317,060 km (0.097 R)
• M4: 1,849,030 km (0.052 R)
• M5: 2,622,750 km (0.119 R)
• M6: 4,101,525 km (0.115 R)
• M7: 4,570,963 km (0.047 R)
• M8: 5,050,275 km (0.084 R)
• M9: 7,762,035 km (0.115 R)
• M10: 9,572,469 km (0.092 R)
• M11: 12,118,176 km (0.067 R)
• M12: 14,651,017 km (0.082 R)
• M13: 22,207,654 km (0.119 R)
• M14: 23,148,625 km (0.103 R)
• M15: 23,666,084 km (0.092 R)
• M16: 26,370,813 km (0.119 R)
• M17: 27,508,356 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.8

Radius: 12.8

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 3.72 AU - 5.14 AU

Year: 6324 Days

Day: 7.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,332,062 km

• M1: 159,621 km (0.108 R)
• M2: 622,327 km (0.074 R)
• M3: 1,070,522 km (0.08 R)
• M4: 1,478,775 km (0.097 R)
• M5: 2,128,927 km (0.071 R)
• M6: 3,982,445 km (0.086 R)
• M7: 4,994,475 km (0.115 R)
• M8: 6,203,375 km (0.028 R)
• M9: 8,734,122 km (0.06 R)
• M10: 10,297,569 km (0.043 R)
• M11: 10,858,113 km (0.082 R)
• M12: 11,340,715 km (0.093 R)
• M13: 27,781,671 km (0.119 R)
• M14: 30,649,761 km (0.1 R)
• M15: 33,506,482 km (0.064 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 237.4

Radius: 6

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 9.51 AU - 10.61 AU

Year: 21642 Days

Day: 23.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 56,332,062 km

• M1: 75,098 km (0.087 R)
• M2: 318,195 km (0.105 R)
• M3: 871,856 km (0.097 R)
• M4: 2,721,335 km (0.063 R)
• M5: 2,924,190 km (0.106 R)
• M6: 3,210,520 km (0.078 R)
• M7: 3,867,404 km (0.072 R)
• M8: 4,485,393 km (0.098 R)
• M9: 5,408,861 km (0.114 R)
• M10: 5,658,390 km (0.095 R)
• M11: 6,335,171 km (0.111 R)
• M12: 6,612,525 km (0.089 R)
• M13: 6,897,958 km (0.078 R)
• M14: 9,434,390 km (0.075 R)
• M15: 11,570,049 km (0.119 R)
• M16: 12,594,495 km (0.111 R)
• M17: 13,743,556 km (0.06 R)
• M18: 14,684,377 km (0.118 R)
• M19: 20,380,466 km (0.054 R)
• M20: 24,867,953 km (0.064 R)
• M21: 25,558,347 km (0.06 R)
• M22: 25,958,671 km (0.057 R)
• M23: 26,566,936 km (0.116 R)
• M24: 28,341,765 km (0.074 R)
• M25: 29,094,991 km (0.091 R)
• M26: 29,421,862 km (0.12 R)
• M27: 36,738,395 km (0.079 R)
• M28: 37,633,588 km (0.102 R)
• M29: 38,674,490 km (0.097 R)
• M30: 41,360,370 km (0.113 R)
• M31: 46,355,144 km (0.054 R)
• M32: 48,920,149 km (0.033 R)
• M33: 49,537,241 km (0.095 R)
• M34: 54,495,961 km (0.077 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 319 - 11,666 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit