🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261

Radius: 12.2

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.52 AU - 0.52 AU

Year: 259 Days

Day: 12.5 Hours

Environment

Temp: -142 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 24,944,797 km

• M1: 151,692 km (0.096 R)
• M2: 591,660 km (0.12 R)
• M3: 1,142,629 km (0.09 R)
• M4: 1,619,696 km (0.105 R)
• M5: 2,054,128 km (0.032 R)
• M6: 2,812,889 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.5

Radius: 13.6

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.5 AU - 0.58 AU

Year: 274 Days

Day: 14 Hours

Environment

Temp: -135 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 24,944,797 km

• M1: 169,195 km (0.113 R)
• M2: 678,576 km (0.114 R)
• M3: 1,148,612 km (0.106 R)
• M4: 1,596,508 km (0.066 R)
• M5: 2,163,784 km (0.092 R)
• M6: 3,633,732 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.8

Radius: 10.6

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.48 AU - 0.72 AU

Year: 321 Days

Day: 12.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 24,944,797 km

• M1: 131,796 km (0.081 R)
• M2: 515,963 km (0.057 R)
• M3: 1,052,870 km (0.048 R)
• M4: 1,532,780 km (0.068 R)
• M5: 2,451,161 km (0.12 R)
• M6: 2,893,821 km (0.058 R)
• M7: 3,549,060 km (0.098 R)
• M8: 3,941,306 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.2

Radius: 9.5

Gravity: 8.51 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.63 AU - 0.73 AU

Year: 387 Days

Day: 6.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 24,944,797 km

• M1: 118,182 km (0.105 R)
• M2: 414,835 km (0.118 R)
• M3: 754,721 km (0.084 R)
• M4: 1,113,906 km (0.076 R)
• M5: 1,567,337 km (0.119 R)
• M6: 2,235,890 km (0.113 R)
• M7: 2,756,042 km (0.106 R)
• M8: 3,520,935 km (0.097 R)
• M9: 4,281,790 km (0.056 R)
• M10: 4,738,213 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.4

Radius: 8.2

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.55 AU - 0.85 AU

Year: 404 Days

Day: 14 Hours

Environment

Temp: -168 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 24,944,797 km

• M1: 102,026 km (0.088 R)
• M2: 401,969 km (0.092 R)
• M3: 764,296 km (0.082 R)
• M4: 1,188,256 km (0.083 R)
• M5: 1,523,804 km (0.118 R)
• M6: 2,240,677 km (0.045 R)

Planet 6 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.6

Radius: 12.1

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.89 AU - 0.97 AU

Year: 619 Days

Day: 6.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 24,944,797 km

• M1: 150,495 km (0.077 R)
• M2: 650,751 km (0.051 R)
• M3: 1,283,251 km (0.102 R)
• M4: 1,782,309 km (0.096 R)
• M5: 2,350,781 km (0.098 R)
• M6: 2,754,546 km (0.098 R)
• M7: 3,156,665 km (0.115 R)
• M8: 3,545,470 km (0.062 R)
• M9: 4,559,594 km (0.088 R)
• M10: 5,109,515 km (0.12 R)
• M11: 6,342,651 km (0.098 R)
• M12: 7,071,192 km (0.063 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.4

Radius: 14.1

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.43 AU - 2.11 AU

Year: 1625 Days

Day: 12.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 93.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 24,944,797 km

• M1: 176,077 km (0.076 R)
• M2: 642,523 km (0.108 R)
• M3: 1,180,926 km (0.072 R)
• M4: 1,751,941 km (0.107 R)
• M5: 2,571,887 km (0.099 R)
• M6: 3,247,022 km (0.092 R)
• M7: 3,930,385 km (0.075 R)
• M8: 4,450,985 km (0.106 R)
• M9: 4,996,718 km (0.071 R)
• M10: 6,396,207 km (0.108 R)
• M11: 7,040,076 km (0.093 R)
• M12: 8,458,264 km (0.119 R)
• M13: 9,857,303 km (0.078 R)
• M14: 10,507,156 km (0.089 R)
• M15: 11,040,173 km (0.088 R)
• M16: 12,083,618 km (0.073 R)
• M17: 14,453,548 km (0.08 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.3

Radius: 9.2

Gravity: 7.66 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.72 AU - 3.58 AU

Year: 3859 Days

Day: 14.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 24,944,797 km

• M1: 115,190 km (0.109 R)
• M2: 502,350 km (0.1 R)
• M3: 875,746 km (0.109 R)
• M4: 1,321,847 km (0.09 R)
• M5: 1,668,016 km (0.083 R)
• M6: 2,186,522 km (0.069 R)
• M7: 2,547,053 km (0.106 R)
• M8: 4,156,128 km (0.092 R)
• M9: 5,778,218 km (0.11 R)
• M10: 6,808,349 km (0.072 R)
• M11: 7,853,140 km (0.071 R)
• M12: 8,165,501 km (0.09 R)
• M13: 9,537,612 km (0.072 R)
• M14: 10,464,521 km (0.047 R)
• M15: 12,034,251 km (0.09 R)
• M16: 13,506,743 km (0.111 R)
• M17: 14,363,490 km (0.071 R)
• M18: 14,674,354 km (0.069 R)
• M19: 15,309,547 km (0.117 R)
• M20: 16,465,340 km (0.117 R)
• M21: 17,325,677 km (0.089 R)
• M22: 18,215,785 km (0.113 R)
• M23: 19,449,518 km (0.096 R)
• M24: 20,803,977 km (0.091 R)
• M25: 21,605,672 km (0.094 R)
• M26: 22,289,335 km (0.055 R)
• M27: 23,270,547 km (0.094 R)
• M28: 24,574,143 km (0.112 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 361 - 16,333 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit