🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.3

Radius: 9.5

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.57 AU - 0.69 AU

Year: 333 Days

Day: 13.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 43,150,096 km

• M1: 194,477 km (0.057 R)
• M2: 722,857 km (0.119 R)
• M3: 1,251,536 km (0.11 R)
• M4: 1,577,210 km (0.082 R)
• M5: 1,926,222 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.5

Radius: 8.4

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.21 AU - 1.35 AU

Year: 966 Days

Day: 5.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,150,096 km

• M1: 104,569 km (0.09 R)
• M2: 543,040 km (0.092 R)
• M3: 853,306 km (0.105 R)
• M4: 1,125,724 km (0.052 R)
• M5: 2,013,438 km (0.074 R)
• M6: 2,486,317 km (0.074 R)
• M7: 2,760,829 km (0.091 R)
• M8: 3,154,421 km (0.086 R)
• M9: 3,558,036 km (0.066 R)
• M10: 3,865,011 km (0.105 R)
• M11: 4,327,866 km (0.04 R)
• M12: 4,678,225 km (0.104 R)
• M13: 4,962,012 km (0.104 R)
• M14: 6,135,009 km (0.088 R)
• M15: 6,495,839 km (0.092 R)
• M16: 6,786,358 km (0.102 R)
• M17: 7,304,565 km (0.114 R)
• M18: 7,618,870 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.5

Radius: 11.3

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.3 AU - 1.5 AU

Year: 1105 Days

Day: 6.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,150,096 km

• M1: 140,622 km (0.114 R)
• M2: 494,870 km (0.078 R)
• M3: 933,790 km (0.118 R)
• M4: 1,636,900 km (0.12 R)
• M5: 2,086,142 km (0.092 R)
• M6: 2,485,269 km (0.106 R)
• M7: 3,015,743 km (0.084 R)
• M8: 3,425,193 km (0.087 R)
• M9: 4,901,873 km (0.049 R)
• M10: 5,269,884 km (0.117 R)
• M11: 5,867,528 km (0.07 R)
• M12: 6,373,318 km (0.066 R)
• M13: 7,223,184 km (0.101 R)
• M14: 7,961,449 km (0.04 R)
• M15: 9,004,146 km (0.062 R)
• M16: 9,829,029 km (0.107 R)
• M17: 10,511,943 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.1

Radius: 14.1

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.68 AU - 3.34 AU

Year: 3482 Days

Day: 13.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,150,096 km

• M1: 175,329 km (0.094 R)
• M2: 642,523 km (0.084 R)
• M3: 1,155,943 km (0.075 R)
• M4: 1,840,802 km (0.103 R)
• M5: 2,445,028 km (0.064 R)
• M6: 3,126,745 km (0.08 R)
• M7: 3,912,284 km (0.095 R)
• M8: 4,637,235 km (0.097 R)
• M9: 5,424,419 km (0.111 R)
• M10: 6,072,028 km (0.103 R)
• M11: 7,393,576 km (0.112 R)
• M12: 8,088,458 km (0.1 R)
• M13: 9,724,759 km (0.092 R)
• M14: 10,397,202 km (0.118 R)
• M15: 11,313,339 km (0.054 R)
• M16: 15,000,029 km (0.098 R)
• M17: 17,399,579 km (0.077 R)
• M18: 18,332,621 km (0.08 R)
• M19: 19,856,724 km (0.049 R)
• M20: 23,086,991 km (0.069 R)
• M21: 23,575,428 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.5

Radius: 13.5

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 4.18 AU - 6.76 AU

Year: 8531 Days

Day: 10.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 43,150,096 km

• M1: 167,849 km (0.111 R)
• M2: 588,668 km (0.108 R)
• M3: 1,244,654 km (0.1 R)
• M4: 2,383,393 km (0.118 R)
• M5: 4,129,649 km (0.091 R)
• M6: 4,563,184 km (0.118 R)
• M7: 5,960,877 km (0.109 R)
• M8: 7,040,525 km (0.099 R)
• M9: 7,521,482 km (0.054 R)
• M10: 8,359,379 km (0.1 R)
• M11: 10,049,387 km (0.109 R)
• M12: 11,813,295 km (0.097 R)
• M13: 13,775,570 km (0.047 R)
• M14: 15,369,536 km (0.076 R)
• M15: 16,181,702 km (0.081 R)
• M16: 18,921,438 km (0.092 R)
• M17: 20,263,630 km (0.085 R)
• M18: 21,382,472 km (0.071 R)
• M19: 24,749,921 km (0.1 R)
• M20: 25,865,921 km (0.068 R)
• M21: 26,600,895 km (0.107 R)
• M22: 27,265,858 km (0.113 R)
• M23: 28,715,760 km (0.038 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 525.5

Radius: 3

Gravity: 58.39 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 5.2 AU - 6.76 AU

Year: 9752 Days

Day: 23.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 43,150,096 km

• M1: 38,297 km (0.073 R)
• M2: 163,361 km (0.061 R)
• M3: 392,694 km (0.111 R)
• M4: 924,216 km (0.119 R)
• M5: 1,600,847 km (0.108 R)
• M6: 1,854,266 km (0.049 R)
• M7: 2,987,021 km (0.091 R)
• M8: 3,417,414 km (0.034 R)
• M9: 4,288,672 km (0.102 R)
• M10: 4,542,091 km (0.062 R)
• M11: 5,524,051 km (0.115 R)
• M12: 5,823,845 km (0.032 R)
• M13: 6,240,326 km (0.068 R)
• M14: 7,813,198 km (0.056 R)
• M15: 8,624,317 km (0.095 R)
• M16: 10,312,230 km (0.119 R)
• M17: 11,552,247 km (0.113 R)
• M18: 14,138,794 km (0.114 R)
• M19: 15,402,746 km (0.077 R)
• M20: 16,534,753 km (0.086 R)
• M21: 20,972,275 km (0.113 R)
• M22: 24,070,148 km (0.102 R)
• M23: 24,956,964 km (0.105 R)
• M24: 25,590,361 km (0.072 R)
• M25: 26,889,469 km (0.114 R)
• M26: 29,517,754 km (0.098 R)
• M27: 36,420,499 km (0.074 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 371 - 11,799 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit