🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.3

Radius: 8

Gravity: 13.52 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.46 AU - 0.74 AU

Year: 321 Days

Day: 12.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,974,148 km

• M1: 99,483 km (0.097 R)
• M2: 381,026 km (0.063 R)
• M3: 692,189 km (0.096 R)
• M4: 972,087 km (0.091 R)
• M5: 1,224,758 km (0.042 R)
• M6: 1,727,407 km (0.038 R)
• M7: 2,230,055 km (0.086 R)
• M8: 2,786,560 km (0.094 R)
• M9: 3,044,466 km (0.118 R)
• M10: 3,295,791 km (0.072 R)
• M11: 3,840,626 km (0.113 R)
• M12: 4,513,368 km (0.096 R)
• M13: 5,124,325 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299

Radius: 12

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.61 AU - 0.71 AU

Year: 370 Days

Day: 9.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,974,148 km

• M1: 149,299 km (0.069 R)
• M2: 553,063 km (0.092 R)
• M3: 1,062,743 km (0.079 R)
• M4: 1,637,349 km (0.102 R)
• M5: 2,155,257 km (0.091 R)
• M6: 2,545,857 km (0.107 R)
• M7: 4,026,427 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.6

Radius: 13.8

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.77 AU - 1.17 AU

Year: 659 Days

Day: 5.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,974,148 km

• M1: 171,589 km (0.087 R)
• M2: 663,317 km (0.117 R)
• M3: 1,361,789 km (0.099 R)
• M4: 1,843,644 km (0.098 R)
• M5: 2,287,501 km (0.103 R)
• M6: 3,065,709 km (0.111 R)
• M7: 3,586,011 km (0.119 R)
• M8: 4,195,921 km (0.079 R)
• M9: 4,994,175 km (0.071 R)
• M10: 6,723,228 km (0.099 R)
• M11: 7,245,324 km (0.066 R)
• M12: 8,175,972 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.7

Radius: 8

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.42 AU - 1.68 AU

Year: 1332 Days

Day: 6.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,974,148 km

• M1: 99,483 km (0.096 R)
• M2: 474,824 km (0.113 R)
• M3: 883,974 km (0.092 R)
• M4: 1,268,440 km (0.115 R)
• M5: 1,540,708 km (0.052 R)
• M6: 3,359,819 km (0.087 R)
• M7: 4,140,570 km (0.118 R)
• M8: 6,182,730 km (0.085 R)
• M9: 7,614,681 km (0.061 R)
• M10: 8,239,851 km (0.039 R)
• M11: 8,631,199 km (0.094 R)
• M12: 9,338,797 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.6

Radius: 10.2

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.46 AU - 1.92 AU

Year: 1516 Days

Day: 8 Hours

Environment

Temp: -196 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,974,148 km

• M1: 126,859 km (0.112 R)
• M2: 517,459 km (0.051 R)
• M3: 1,095,356 km (0.078 R)
• M4: 1,860,100 km (0.097 R)
• M5: 3,162,649 km (0.04 R)
• M6: 3,753,859 km (0.087 R)
• M7: 4,361,975 km (0.075 R)
• M8: 4,974,279 km (0.063 R)
• M9: 5,976,585 km (0.12 R)
• M10: 6,831,387 km (0.069 R)
• M11: 7,159,305 km (0.108 R)
• M12: 7,497,845 km (0.077 R)
• M13: 9,477,773 km (0.114 R)
• M14: 10,014,829 km (0.105 R)
• M15: 10,672,312 km (0.102 R)
• M16: 12,293,803 km (0.053 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 512

Radius: 7.1

Gravity: 10.16 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 8.27 AU - 8.39 AU

Year: 16595 Days

Day: 17.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 60,974,148 km

• M1: 88,263 km (0.088 R)
• M2: 443,408 km (0.027 R)
• M3: 829,071 km (0.065 R)
• M4: 1,062,594 km (0.107 R)
• M5: 1,424,920 km (0.109 R)
• M6: 2,610,333 km (0.108 R)
• M7: 4,014,309 km (0.09 R)
• M8: 4,696,625 km (0.119 R)
• M9: 4,963,059 km (0.119 R)
• M10: 5,710,899 km (0.104 R)
• M11: 6,092,373 km (0.044 R)
• M12: 6,369,429 km (0.042 R)
• M13: 6,738,038 km (0.077 R)
• M14: 6,991,456 km (0.101 R)
• M15: 7,836,834 km (0.091 R)
• M16: 8,117,480 km (0.102 R)
• M17: 15,458,098 km (0.094 R)
• M18: 16,655,180 km (0.088 R)
• M19: 18,155,646 km (0.077 R)
• M20: 19,232,751 km (0.066 R)
• M21: 19,658,207 km (0.109 R)
• M22: 22,064,639 km (0.042 R)
• M23: 25,264,238 km (0.116 R)
• M24: 26,187,706 km (0.118 R)
• M25: 30,681,027 km (0.036 R)
• M26: 33,536,103 km (0.117 R)
• M27: 37,216,509 km (0.1 R)
• M28: 37,479,802 km (0.111 R)
• M29: 37,877,134 km (0.086 R)
• M30: 41,439,059 km (0.043 R)
• M31: 45,217,901 km (0.096 R)
• M32: 50,497,958 km (0.064 R)
• M33: 53,285,714 km (0.071 R)
• M34: 58,986,889 km (0.058 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 350 - 11,385 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit