🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.9

Radius: 14.2

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.99 AU - 1.09 AU

Year: 674 Days

Day: 12.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 71,697,259 km

• M1: 177,722 km (0.12 R)
• M2: 836,102 km (0.116 R)
• M3: 1,485,507 km (0.032 R)
• M4: 1,942,528 km (0.074 R)
• M5: 2,863,752 km (0.101 R)
• M6: 3,430,279 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.4

Radius: 12.4

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.82 AU - 2.08 AU

Year: 1731 Days

Day: 13.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,697,259 km

• M1: 154,834 km (0.101 R)
• M2: 666,907 km (0.117 R)
• M3: 1,562,999 km (0.097 R)
• M4: 2,550,494 km (0.038 R)
• M5: 3,578,979 km (0.111 R)
• M6: 4,217,314 km (0.096 R)
• M7: 4,739,709 km (0.055 R)
• M8: 5,350,368 km (0.097 R)
• M9: 6,313,329 km (0.078 R)
• M10: 7,136,566 km (0.037 R)
• M11: 7,940,356 km (0.084 R)
• M12: 9,491,387 km (0.097 R)
• M13: 10,285,302 km (0.072 R)
• M14: 11,424,939 km (0.099 R)
• M15: 12,163,952 km (0.072 R)
• M16: 12,976,119 km (0.113 R)
• M17: 14,394,756 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.8

Radius: 10.4

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.78 AU - 3.8 AU

Year: 3794 Days

Day: 13.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 71,697,259 km

• M1: 129,402 km (0.103 R)
• M2: 576,550 km (0.104 R)
• M3: 1,139,936 km (0.097 R)
• M4: 1,577,659 km (0.054 R)
• M5: 1,905,428 km (0.088 R)
• M6: 2,250,850 km (0.074 R)
• M7: 2,638,458 km (0.064 R)
• M8: 3,018,287 km (0.059 R)
• M9: 3,491,913 km (0.102 R)
• M10: 3,889,395 km (0.096 R)
• M11: 4,272,964 km (0.073 R)
• M12: 4,728,789 km (0.059 R)
• M13: 5,873,960 km (0.091 R)
• M14: 8,740,106 km (0.096 R)
• M15: 10,095,463 km (0.094 R)
• M16: 10,782,117 km (0.109 R)
• M17: 12,293,504 km (0.115 R)
• M18: 15,101,905 km (0.112 R)
• M19: 15,999,941 km (0.038 R)
• M20: 17,271,224 km (0.116 R)
• M21: 19,455,801 km (0.034 R)
• M22: 20,455,265 km (0.043 R)
• M23: 21,488,687 km (0.053 R)
• M24: 22,897,300 km (0.1 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 847.6

Radius: 6.7

Gravity: 18.88 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 6.96 AU - 8.92 AU

Year: 14225 Days

Day: 17.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 71,697,259 km

• M1: 85,720 km (0.114 R)
• M2: 302,786 km (0.085 R)
• M3: 843,732 km (0.114 R)
• M4: 1,405,921 km (0.098 R)
• M5: 2,593,429 km (0.107 R)
• M6: 3,622,213 km (0.078 R)
• M7: 3,969,131 km (0.034 R)
• M8: 4,433,782 km (0.112 R)
• M9: 6,577,220 km (0.065 R)
• M10: 7,920,010 km (0.082 R)
• M11: 8,405,605 km (0.117 R)
• M12: 8,910,947 km (0.048 R)
• M13: 19,634,721 km (0.107 R)
• M14: 23,844,704 km (0.082 R)
• M15: 31,529,098 km (0.094 R)
• M16: 31,890,975 km (0.09 R)
• M17: 41,864,964 km (0.064 R)
• M18: 49,718,703 km (0.085 R)
• M19: 53,904,152 km (0.12 R)
• M20: 55,291,523 km (0.066 R)
• M21: 58,318,336 km (0.078 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 667.7

Radius: 3.2

Gravity: 65.21 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 7.58 AU - 11.36 AU

Year: 18529 Days

Day: 18.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 71,697,259 km

• M1: 41,588 km (0.082 R)
• M2: 151,692 km (0.091 R)
• M3: 344,524 km (0.055 R)
• M4: 457,769 km (0.112 R)
• M5: 571,165 km (0.111 R)
• M6: 742,005 km (0.052 R)
• M7: 900,280 km (0.049 R)
• M8: 1,030,430 km (0.107 R)
• M9: 1,228,049 km (0.103 R)
• M10: 1,481,767 km (0.074 R)
• M11: 1,842,298 km (0.039 R)
• M12: 2,013,438 km (0.037 R)
• M13: 2,906,238 km (0.076 R)
• M14: 3,033,845 km (0.027 R)
• M15: 3,355,331 km (0.092 R)
• M16: 3,495,803 km (0.045 R)
• M17: 5,425,017 km (0.057 R)
• M18: 5,857,205 km (0.112 R)
• M19: 6,269,647 km (0.107 R)
• M20: 8,470,231 km (0.048 R)
• M21: 8,730,981 km (0.107 R)
• M22: 8,836,746 km (0.059 R)
• M23: 9,489,442 km (0.118 R)
• M24: 10,173,702 km (0.108 R)
• M25: 12,623,966 km (0.117 R)
• M26: 20,454,367 km (0.108 R)
• M27: 21,112,747 km (0.118 R)
• M28: 21,882,578 km (0.097 R)
• M29: 27,460,036 km (0.076 R)
• M30: 27,573,431 km (0.052 R)
• M31: 32,372,979 km (0.089 R)
• M32: 39,549,488 km (0.072 R)
• M33: 46,901,775 km (0.109 R)
• M34: 49,039,080 km (0.066 R)
• M35: 54,038,790 km (0.113 R)
• M36: 62,648,596 km (0.046 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: 491 - 20,211 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit