🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.9

Radius: 14

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.55 AU - 0.79 AU

Year: 366 Days

Day: 8.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 25,068,685 km

• M1: 174,132 km (0.117 R)
• M2: 609,462 km (0.087 R)
• M3: 1,116,000 km (0.119 R)
• M4: 1,757,177 km (0.084 R)
• M5: 2,723,728 km (0.119 R)
• M6: 3,219,496 km (0.032 R)
• M7: 3,764,930 km (0.027 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.2

Radius: 10.5

Gravity: 9.04 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.73 AU - 0.87 AU

Year: 477 Days

Day: 7.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,068,685 km

• M1: 131,197 km (0.112 R)
• M2: 617,540 km (0.082 R)
• M3: 1,122,433 km (0.081 R)
• M4: 1,986,510 km (0.119 R)
• M5: 2,525,960 km (0.077 R)
• M6: 3,007,366 km (0.11 R)
• M7: 3,382,707 km (0.108 R)
• M8: 4,332,354 km (0.118 R)
• M9: 4,749,134 km (0.094 R)
• M10: 5,503,556 km (0.028 R)
• M11: 6,239,428 km (0.109 R)
• M12: 6,611,328 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723

Radius: 9.4

Gravity: 8.18 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.25 AU - 1.55 AU

Year: 1105 Days

Day: 6.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 96 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 25,068,685 km

• M1: 116,836 km (0.104 R)
• M2: 429,346 km (0.095 R)
• M3: 727,046 km (0.07 R)
• M4: 1,076,955 km (0.106 R)
• M5: 1,744,311 km (0.093 R)
• M6: 2,038,271 km (0.117 R)
• M7: 2,805,409 km (0.083 R)
• M8: 3,476,056 km (0.092 R)
• M9: 3,963,446 km (0.04 R)
• M10: 4,864,175 km (0.041 R)
• M11: 5,252,531 km (0.054 R)
• M12: 5,873,960 km (0.062 R)
• M13: 6,337,564 km (0.112 R)
• M14: 6,897,060 km (0.071 R)
• M15: 7,745,729 km (0.082 R)
• M16: 8,385,709 km (0.116 R)
• M17: 9,411,052 km (0.111 R)
• M18: 11,069,644 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.2

Radius: 13.8

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.33 AU - 2.19 AU

Year: 1557 Days

Day: 14.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 25,068,685 km

• M1: 172,636 km (0.102 R)
• M2: 860,786 km (0.077 R)
• M3: 1,677,142 km (0.109 R)
• M4: 2,390,424 km (0.055 R)
• M5: 3,706,287 km (0.103 R)
• M6: 4,165,254 km (0.119 R)
• M7: 6,225,964 km (0.062 R)
• M8: 6,775,288 km (0.075 R)
• M9: 7,632,035 km (0.115 R)
• M10: 8,145,155 km (0.115 R)
• M11: 9,626,922 km (0.105 R)
• M12: 11,686,586 km (0.108 R)
• M13: 12,525,082 km (0.104 R)
• M14: 13,815,962 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.9

Radius: 11.4

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.8 AU - 1.9 AU

Year: 1678 Days

Day: 11.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,068,685 km

• M1: 143,016 km (0.114 R)
• M2: 807,829 km (0.094 R)
• M3: 1,224,010 km (0.088 R)
• M4: 1,715,588 km (0.108 R)
• M5: 2,512,347 km (0.069 R)
• M6: 3,452,719 km (0.099 R)
• M7: 3,813,998 km (0.113 R)
• M8: 4,736,717 km (0.08 R)
• M9: 5,521,957 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642

Radius: 10.8

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.05 AU - 2.45 AU

Year: 2251 Days

Day: 13.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 25,068,685 km

• M1: 134,339 km (0.099 R)
• M2: 473,328 km (0.105 R)
• M3: 872,754 km (0.093 R)
• M4: 1,419,385 km (0.041 R)
• M5: 2,062,805 km (0.035 R)
• M6: 2,712,808 km (0.083 R)
• M7: 3,078,425 km (0.089 R)
• M8: 3,743,687 km (0.116 R)
• M9: 4,379,328 km (0.097 R)
• M10: 4,734,025 km (0.101 R)
• M11: 5,597,354 km (0.047 R)
• M12: 6,041,360 km (0.082 R)
• M13: 6,724,275 km (0.063 R)
• M14: 7,575,487 km (0.101 R)
• M15: 7,935,419 km (0.062 R)
• M16: 8,984,998 km (0.088 R)
• M17: 9,595,058 km (0.071 R)
• M18: 10,525,108 km (0.111 R)
• M19: 11,910,534 km (0.097 R)
• M20: 12,357,083 km (0.1 R)
• M21: 13,764,500 km (0.084 R)
• M22: 14,438,438 km (0.044 R)
• M23: 14,946,473 km (0.06 R)
• M24: 16,895,284 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.4

Radius: 13.8

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.67 AU - 4.45 AU

Year: 4479 Days

Day: 11.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 92.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 25,068,685 km

• M1: 171,589 km (0.048 R)
• M2: 645,515 km (0.082 R)
• M3: 1,741,319 km (0.119 R)
• M4: 2,263,715 km (0.044 R)
• M5: 2,806,306 km (0.069 R)
• M6: 3,774,354 km (0.059 R)
• M7: 4,450,985 km (0.074 R)
• M8: 5,337,203 km (0.086 R)
• M9: 6,606,840 km (0.081 R)
• M10: 7,072,239 km (0.113 R)
• M11: 7,526,418 km (0.116 R)
• M12: 8,821,637 km (0.119 R)
• M13: 10,425,027 km (0.088 R)
• M14: 11,100,760 km (0.103 R)
• M15: 11,805,666 km (0.099 R)
• M16: 12,728,684 km (0.089 R)
• M17: 13,798,908 km (0.103 R)
• M18: 14,253,685 km (0.052 R)
• M19: 14,770,695 km (0.08 R)
• M20: 15,300,272 km (0.078 R)
• M21: 16,007,571 km (0.071 R)
• M22: 16,850,704 km (0.083 R)
• M23: 18,442,874 km (0.069 R)
• M24: 18,995,190 km (0.101 R)
• M25: 20,983,046 km (0.118 R)
• M26: 22,198,978 km (0.116 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 452 - 20,204 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit