🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.5

Radius: 9.6

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.52 AU - 0.6 AU

Year: 289 Days

Day: 11.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 20,082,597 km

• M1: 119,379 km (0.095 R)
• M2: 496,964 km (0.075 R)
• M3: 937,081 km (0.095 R)
• M4: 1,238,970 km (0.099 R)
• M5: 1,545,645 km (0.104 R)
• M6: 2,062,207 km (0.086 R)
• M7: 2,585,500 km (0.099 R)
• M8: 2,892,026 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.8

Radius: 15

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.52 AU - 0.74 AU

Year: 345 Days

Day: 12.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 20,082,597 km

• M1: 186,549 km (0.092 R)
• M2: 745,297 km (0.099 R)
• M3: 1,564,195 km (0.096 R)
• M4: 2,198,640 km (0.081 R)
• M5: 2,711,461 km (0.088 R)
• M6: 3,394,824 km (0.099 R)
• M7: 3,971,823 km (0.115 R)
• M8: 4,828,720 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797

Radius: 10.6

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.09 AU - 1.67 AU

Year: 1119 Days

Day: 13.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 20,082,597 km

• M1: 132,544 km (0.11 R)
• M2: 611,257 km (0.053 R)
• M3: 947,254 km (0.112 R)
• M4: 1,280,707 km (0.095 R)
• M5: 1,676,394 km (0.107 R)
• M6: 2,036,625 km (0.074 R)
• M7: 2,545,557 km (0.101 R)
• M8: 2,877,216 km (0.038 R)
• M9: 4,222,400 km (0.088 R)
• M10: 4,898,732 km (0.055 R)
• M11: 5,375,201 km (0.072 R)
• M12: 5,795,571 km (0.098 R)
• M13: 6,750,305 km (0.12 R)
• M14: 7,442,943 km (0.113 R)
• M15: 8,019,942 km (0.09 R)
• M16: 8,711,533 km (0.062 R)
• M17: 9,807,337 km (0.042 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.7

Radius: 11.7

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.68 AU - 2.16 AU

Year: 1836 Days

Day: 9.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 20,082,597 km

• M1: 146,456 km (0.098 R)
• M2: 600,785 km (0.104 R)
• M3: 1,412,952 km (0.094 R)
• M4: 2,292,438 km (0.084 R)
• M5: 3,052,694 km (0.075 R)
• M6: 3,834,044 km (0.076 R)
• M7: 4,568,569 km (0.103 R)
• M8: 5,772,533 km (0.077 R)
• M9: 6,146,528 km (0.106 R)
• M10: 6,715,598 km (0.088 R)
• M11: 7,200,744 km (0.116 R)
• M12: 7,610,492 km (0.116 R)
• M13: 8,061,231 km (0.032 R)
• M14: 9,781,307 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.3

Radius: 9.6

Gravity: 7.91 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.97 AU - 2.25 AU

Year: 2116 Days

Day: 14.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 20,082,597 km

• M1: 119,529 km (0.076 R)
• M2: 447,896 km (0.054 R)
• M3: 1,081,443 km (0.101 R)
• M4: 1,766,601 km (0.103 R)
• M5: 2,836,974 km (0.097 R)
• M6: 3,700,004 km (0.084 R)
• M7: 4,393,839 km (0.059 R)
• M8: 4,707,546 km (0.03 R)
• M9: 6,401,293 km (0.115 R)
• M10: 7,255,646 km (0.098 R)
• M11: 8,922,615 km (0.114 R)
• M12: 13,340,390 km (0.073 R)
• M13: 14,683,929 km (0.117 R)
• M14: 15,340,813 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.3

Radius: 10.1

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.95 AU - 2.59 AU

Year: 2361 Days

Day: 13.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 113.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 20,082,597 km

• M1: 125,812 km (0.108 R)
• M2: 560,693 km (0.034 R)
• M3: 1,052,271 km (0.11 R)
• M4: 1,523,056 km (0.065 R)
• M5: 1,865,785 km (0.066 R)
• M6: 2,436,201 km (0.078 R)
• M7: 3,169,081 km (0.101 R)
• M8: 4,062,480 km (0.082 R)
• M9: 4,775,314 km (0.097 R)
• M10: 7,359,617 km (0.11 R)
• M11: 10,529,446 km (0.098 R)
• M12: 11,871,040 km (0.061 R)
• M13: 13,681,772 km (0.118 R)
• M14: 15,179,846 km (0.034 R)
• M15: 16,836,193 km (0.071 R)
• M16: 17,467,347 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.9

Radius: 12

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.89 AU - 2.97 AU

Year: 2615 Days

Day: 13.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 20,082,597 km

• M1: 151,094 km (0.097 R)
• M2: 550,371 km (0.074 R)
• M3: 1,150,707 km (0.119 R)
• M4: 1,824,196 km (0.096 R)
• M5: 2,716,398 km (0.048 R)
• M6: 3,288,012 km (0.085 R)
• M7: 3,763,583 km (0.043 R)
• M8: 4,160,466 km (0.102 R)
• M9: 5,277,214 km (0.076 R)
• M10: 6,812,089 km (0.081 R)
• M11: 7,967,583 km (0.073 R)
• M12: 9,038,404 km (0.11 R)
• M13: 9,572,319 km (0.079 R)
• M14: 11,099,713 km (0.054 R)
• M15: 11,754,054 km (0.103 R)
• M16: 12,218,855 km (0.105 R)
• M17: 13,185,108 km (0.066 R)
• M18: 14,201,625 km (0.055 R)
• M19: 14,973,251 km (0.085 R)
• M20: 15,469,467 km (0.083 R)
• M21: 18,229,548 km (0.099 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 515 - 17,814 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit