🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.8

Radius: 8

Gravity: 13.43 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.17 AU - 1.43 AU

Year: 1005 Days

Day: 10.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,073,107 km

• M1: 99,483 km (0.114 R)
• M2: 364,121 km (0.112 R)
• M3: 693,237 km (0.113 R)
• M4: 1,095,655 km (0.095 R)
• M5: 1,484,460 km (0.112 R)
• M6: 2,045,302 km (0.085 R)
• M7: 2,456,995 km (0.1 R)
• M8: 2,791,496 km (0.101 R)
• M9: 3,270,359 km (0.09 R)
• M10: 3,614,135 km (0.105 R)
• M11: 4,098,533 km (0.113 R)
• M12: 4,570,963 km (0.1 R)
• M13: 5,459,125 km (0.069 R)
• M14: 5,729,748 km (0.101 R)
• M15: 6,573,031 km (0.108 R)
• M16: 7,048,902 km (0.094 R)
• M17: 9,538,959 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196

Radius: 14

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.11 AU - 3.17 AU

Year: 2909 Days

Day: 10.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,073,107 km

• M1: 174,132 km (0.085 R)
• M2: 707,598 km (0.092 R)
• M3: 1,240,316 km (0.111 R)
• M4: 1,775,428 km (0.053 R)
• M5: 2,212,852 km (0.027 R)
• M6: 3,453,616 km (0.087 R)
• M7: 3,917,519 km (0.108 R)
• M8: 4,442,159 km (0.078 R)
• M9: 5,905,226 km (0.053 R)
• M10: 7,132,976 km (0.078 R)
• M11: 7,669,434 km (0.098 R)
• M12: 8,175,224 km (0.08 R)
• M13: 9,285,241 km (0.097 R)
• M14: 10,733,498 km (0.118 R)
• M15: 12,289,764 km (0.12 R)
• M16: 13,221,310 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.9

Radius: 12.5

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.91 AU - 2.99 AU

Year: 3437 Days

Day: 10.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 52,073,107 km

• M1: 155,432 km (0.081 R)
• M2: 610,210 km (0.05 R)
• M3: 1,325,288 km (0.086 R)
• M4: 2,055,475 km (0.112 R)
• M5: 2,730,311 km (0.067 R)
• M6: 3,166,389 km (0.079 R)
• M7: 3,772,260 km (0.032 R)
• M8: 5,295,316 km (0.11 R)
• M9: 6,064,997 km (0.115 R)
• M10: 8,210,679 km (0.117 R)
• M11: 9,591,916 km (0.066 R)
• M12: 10,906,882 km (0.071 R)
• M13: 11,607,897 km (0.093 R)
• M14: 12,715,370 km (0.077 R)
• M15: 13,246,143 km (0.113 R)
• M16: 14,300,210 km (0.054 R)
• M17: 15,301,469 km (0.087 R)
• M18: 15,736,649 km (0.085 R)
• M19: 16,632,142 km (0.064 R)
• M20: 17,918,534 km (0.098 R)
• M21: 20,229,970 km (0.096 R)
• M22: 22,037,711 km (0.093 R)
• M23: 23,229,707 km (0.098 R)
• M24: 24,316,835 km (0.068 R)
• M25: 24,835,640 km (0.111 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 996

Radius: 3.3

Gravity: 91.46 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 5.74 AU - 7.34 AU

Year: 11344 Days

Day: 22.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 52,073,107 km

• M1: 42,935 km (0.101 R)
• M2: 260,899 km (0.119 R)
• M3: 471,981 km (0.119 R)
• M4: 595,549 km (0.104 R)
• M5: 1,450,950 km (0.064 R)
• M6: 1,850,974 km (0.072 R)
• M7: 2,300,067 km (0.094 R)
• M8: 4,259,650 km (0.095 R)
• M9: 4,899,480 km (0.109 R)
• M10: 5,348,124 km (0.115 R)
• M11: 7,374,876 km (0.12 R)
• M12: 8,103,118 km (0.036 R)
• M13: 9,130,108 km (0.102 R)
• M14: 9,914,748 km (0.075 R)
• M15: 13,636,893 km (0.115 R)
• M16: 19,179,045 km (0.083 R)
• M17: 21,435,131 km (0.102 R)
• M18: 26,987,306 km (0.101 R)
• M19: 28,811,802 km (0.12 R)
• M20: 28,921,607 km (0.071 R)
• M21: 39,176,990 km (0.119 R)
• M22: 40,815,086 km (0.067 R)
• M23: 46,002,093 km (0.102 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 655.1

Radius: 4.4

Gravity: 33.84 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 6.13 AU - 7.13 AU

Year: 11579 Days

Day: 22.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 52,073,107 km

• M1: 56,548 km (0.106 R)
• M2: 483,500 km (0.095 R)
• M3: 1,824,047 km (0.119 R)
• M4: 2,342,852 km (0.072 R)
• M5: 2,502,024 km (0.1 R)
• M6: 5,420,978 km (0.106 R)
• M7: 5,843,592 km (0.112 R)
• M8: 7,077,475 km (0.037 R)
• M9: 7,496,200 km (0.115 R)
• M10: 8,429,092 km (0.104 R)
• M11: 8,756,562 km (0.071 R)
• M12: 11,460,094 km (0.104 R)
• M13: 12,999,905 km (0.107 R)
• M14: 18,127,372 km (0.066 R)
• M15: 20,541,284 km (0.092 R)
• M16: 23,710,365 km (0.041 R)
• M17: 24,268,515 km (0.116 R)
• M18: 25,799,350 km (0.119 R)
• M19: 27,495,191 km (0.059 R)
• M20: 30,121,830 km (0.12 R)
• M21: 36,602,560 km (0.074 R)
• M22: 39,513,286 km (0.081 R)
• M23: 43,536,720 km (0.102 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: 493 - 13,316 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit