🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.1

Radius: 12.1

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.48 AU - 0.66 AU

Year: 292 Days

Day: 7.6 Hours

Environment

Temp: -138 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,630,171 km

• M1: 150,495 km (0.071 R)
• M2: 529,427 km (0.112 R)
• M3: 913,295 km (0.097 R)
• M4: 1,673,103 km (0.084 R)
• M5: 2,074,773 km (0.077 R)
• M6: 2,897,561 km (0.057 R)
• M7: 3,506,873 km (0.056 R)
• M8: 4,012,514 km (0.103 R)
• M9: 4,406,854 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.4

Radius: 9.2

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.66 AU - 0.82 AU

Year: 432 Days

Day: 7.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,630,171 km

• M1: 114,742 km (0.089 R)
• M2: 620,382 km (0.103 R)
• M3: 1,020,706 km (0.076 R)
• M4: 1,438,234 km (0.054 R)
• M5: 1,789,639 km (0.08 R)
• M6: 2,631,127 km (0.093 R)
• M7: 3,194,513 km (0.102 R)
• M8: 3,909,890 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.7

Radius: 9.3

Gravity: 7.25 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.9 AU - 1.26 AU

Year: 761 Days

Day: 13.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,630,171 km

• M1: 116,686 km (0.119 R)
• M2: 503,397 km (0.082 R)
• M3: 1,015,919 km (0.092 R)
• M4: 1,384,977 km (0.106 R)
• M5: 1,959,134 km (0.081 R)
• M6: 2,286,454 km (0.086 R)
• M7: 2,776,536 km (0.082 R)
• M8: 3,496,551 km (0.102 R)
• M9: 3,791,259 km (0.093 R)
• M10: 4,431,388 km (0.12 R)
• M11: 5,106,374 km (0.069 R)
• M12: 6,005,008 km (0.072 R)
• M13: 6,745,518 km (0.093 R)
• M14: 7,897,122 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.4

Radius: 13.1

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.88 AU - 2.04 AU

Year: 1861 Days

Day: 5.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,630,171 km

• M1: 166,652 km (0.1 R)
• M2: 614,099 km (0.048 R)
• M3: 1,031,777 km (0.039 R)
• M4: 1,507,199 km (0.065 R)
• M5: 1,927,569 km (0.061 R)
• M6: 3,192,568 km (0.084 R)
• M7: 3,647,794 km (0.101 R)
• M8: 5,668,862 km (0.112 R)
• M9: 6,363,594 km (0.103 R)
• M10: 8,242,394 km (0.068 R)
• M11: 8,934,583 km (0.113 R)
• M12: 10,626,086 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.9

Radius: 11.1

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.77 AU - 2.19 AU

Year: 1890 Days

Day: 12.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,630,171 km

• M1: 138,079 km (0.116 R)
• M2: 648,357 km (0.107 R)
• M3: 1,145,920 km (0.059 R)
• M4: 1,838,857 km (0.081 R)
• M5: 2,274,785 km (0.083 R)
• M6: 2,708,769 km (0.105 R)
• M7: 3,439,405 km (0.075 R)
• M8: 4,051,410 km (0.105 R)
• M9: 4,552,114 km (0.12 R)
• M10: 5,202,715 km (0.104 R)
• M11: 7,846,558 km (0.061 R)
• M12: 8,534,259 km (0.071 R)
• M13: 10,412,161 km (0.105 R)
• M14: 11,168,977 km (0.062 R)
• M15: 11,655,619 km (0.058 R)
• M16: 12,078,382 km (0.061 R)
• M17: 12,954,577 km (0.1 R)
• M18: 13,366,719 km (0.114 R)
• M19: 13,745,052 km (0.064 R)
• M20: 14,435,297 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110

Radius: 10.8

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.56 AU - 3.02 AU

Year: 3161 Days

Day: 10 Hours

Environment

Temp: -220 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,630,171 km

• M1: 135,236 km (0.116 R)
• M2: 655,687 km (0.045 R)
• M3: 1,039,107 km (0.086 R)
• M4: 1,540,858 km (0.105 R)
• M5: 2,123,243 km (0.104 R)
• M6: 2,515,488 km (0.037 R)
• M7: 3,493,858 km (0.098 R)
• M8: 4,540,894 km (0.111 R)
• M9: 5,057,754 km (0.119 R)
• M10: 6,511,247 km (0.096 R)
• M11: 8,198,263 km (0.071 R)
• M12: 8,590,658 km (0.111 R)
• M13: 8,995,470 km (0.094 R)

Asteroid Belt

Center: 4.96 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 642.2

Radius: 3.8

Gravity: 44.47 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 5.5 AU - 8.76 AU

Year: 12913 Days

Day: 21.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 55,630,171 km

• M1: 47,423 km (0.086 R)
• M2: 206,445 km (0.076 R)
• M3: 330,163 km (0.119 R)
• M4: 453,132 km (0.09 R)
• M5: 1,955,244 km (0.077 R)
• M6: 2,662,244 km (0.102 R)
• M7: 3,073,189 km (0.12 R)
• M8: 4,435,726 km (0.117 R)
• M9: 4,559,594 km (0.053 R)
• M10: 6,748,061 km (0.069 R)
• M11: 8,322,279 km (0.084 R)
• M12: 10,232,794 km (0.09 R)
• M13: 11,004,719 km (0.117 R)
• M14: 11,637,817 km (0.049 R)
• M15: 12,478,258 km (0.054 R)
• M16: 15,171,318 km (0.09 R)
• M17: 15,311,641 km (0.101 R)
• M18: 20,707,188 km (0.092 R)
• M19: 21,228,686 km (0.114 R)
• M20: 23,873,427 km (0.088 R)
• M21: 24,159,009 km (0.045 R)
• M22: 25,720,512 km (0.038 R)
• M23: 28,719,650 km (0.117 R)
• M24: 29,915,685 km (0.119 R)
• M25: 32,523,026 km (0.072 R)
• M26: 32,991,417 km (0.104 R)
• M27: 34,182,066 km (0.061 R)
• M28: 39,099,498 km (0.07 R)
• M29: 43,470,299 km (0.057 R)
• M30: 46,213,475 km (0.089 R)
• M31: 51,248,491 km (0.108 R)
• M32: 53,979,250 km (0.086 R)
• M33: 55,630,212 km (0.106 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 406 - 13,784 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit