🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251

Radius: 12.2

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.72 AU - 0.84 AU

Year: 467 Days

Day: 10.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,878,559 km

• M1: 151,692 km (0.075 R)
• M2: 546,032 km (0.111 R)
• M3: 1,098,796 km (0.105 R)
• M4: 1,979,479 km (0.104 R)
• M5: 2,402,093 km (0.076 R)
• M6: 2,838,021 km (0.093 R)
• M7: 3,698,658 km (0.093 R)
• M8: 4,172,135 km (0.043 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.8

Radius: 13.2

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.17 AU - 1.57 AU

Year: 1088 Days

Day: 12 Hours

Environment

Temp: -180 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,878,559 km

• M1: 164,258 km (0.106 R)
• M2: 791,822 km (0.088 R)
• M3: 1,280,707 km (0.106 R)
• M4: 2,055,774 km (0.093 R)
• M5: 2,502,772 km (0.084 R)
• M6: 3,818,336 km (0.025 R)
• M7: 4,574,553 km (0.108 R)
• M8: 5,125,971 km (0.094 R)
• M9: 5,636,848 km (0.102 R)
• M10: 6,317,368 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489

Radius: 11.6

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.23 AU - 3.35 AU

Year: 3161 Days

Day: 14.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 62,878,559 km

• M1: 144,661 km (0.081 R)
• M2: 572,810 km (0.057 R)
• M3: 1,049,728 km (0.091 R)
• M4: 1,871,469 km (0.106 R)
• M5: 2,299,469 km (0.116 R)
• M6: 3,048,954 km (0.114 R)
• M7: 3,572,846 km (0.104 R)
• M8: 4,406,704 km (0.054 R)
• M9: 4,985,199 km (0.102 R)
• M10: 5,365,926 km (0.032 R)
• M11: 5,791,831 km (0.079 R)
• M12: 6,570,787 km (0.118 R)
• M13: 7,177,407 km (0.088 R)
• M14: 8,238,504 km (0.111 R)
• M15: 9,800,007 km (0.087 R)
• M16: 10,866,341 km (0.105 R)
• M17: 11,346,400 km (0.092 R)
• M18: 11,924,297 km (0.09 R)
• M19: 12,695,922 km (0.106 R)
• M20: 13,500,759 km (0.087 R)
• M21: 13,915,744 km (0.115 R)
• M22: 15,113,274 km (0.101 R)
• M23: 17,331,961 km (0.091 R)
• M24: 19,118,309 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.2

Radius: 9.2

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.8 AU - 4.64 AU

Year: 4866 Days

Day: 9.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 62,878,559 km

• M1: 114,442 km (0.049 R)
• M2: 493,224 km (0.044 R)
• M3: 790,774 km (0.118 R)
• M4: 1,092,812 km (0.057 R)
• M5: 1,843,644 km (0.044 R)
• M6: 2,971,762 km (0.108 R)
• M7: 3,397,966 km (0.081 R)
• M8: 4,156,128 km (0.051 R)
• M9: 5,524,949 km (0.088 R)
• M10: 7,018,833 km (0.104 R)
• M11: 9,531,180 km (0.079 R)
• M12: 10,262,115 km (0.111 R)
• M13: 10,702,082 km (0.112 R)
• M14: 11,364,501 km (0.071 R)
• M15: 12,725,393 km (0.105 R)
• M16: 14,688,117 km (0.087 R)
• M17: 16,085,960 km (0.111 R)
• M18: 16,570,956 km (0.084 R)
• M19: 16,899,772 km (0.093 R)
• M20: 18,258,570 km (0.057 R)
• M21: 18,668,169 km (0.112 R)
• M22: 20,057,634 km (0.065 R)
• M23: 20,556,692 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458

Radius: 11

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.45 AU - 5.23 AU

Year: 6132 Days

Day: 6.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,878,559 km

• M1: 136,882 km (0.098 R)
• M2: 797,955 km (0.073 R)
• M3: 1,151,604 km (0.071 R)
• M4: 1,565,542 km (0.12 R)
• M5: 2,305,004 km (0.034 R)
• M6: 3,145,445 km (0.078 R)
• M7: 4,038,544 km (0.107 R)
• M8: 4,544,783 km (0.093 R)
• M9: 5,341,242 km (0.114 R)
• M10: 5,802,752 km (0.073 R)
• M11: 7,245,174 km (0.119 R)
• M12: 8,105,961 km (0.094 R)
• M13: 11,613,582 km (0.113 R)
• M14: 12,390,294 km (0.087 R)
• M15: 13,098,042 km (0.116 R)
• M16: 14,816,921 km (0.067 R)
• M17: 15,847,501 km (0.045 R)
• M18: 16,925,054 km (0.108 R)
• M19: 22,312,223 km (0.109 R)
• M20: 22,906,725 km (0.035 R)
• M21: 24,754,259 km (0.083 R)
• M22: 26,450,400 km (0.112 R)
• M23: 28,830,950 km (0.105 R)
• M24: 29,270,469 km (0.091 R)
• M25: 29,893,544 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 853.5

Radius: 7.3

Gravity: 16.02 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 7.05 AU - 7.61 AU

Year: 13460 Days

Day: 19.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 62,878,559 km

• M1: 102,475 km (0.101 R)
• M2: 415,882 km (0.119 R)
• M3: 885,021 km (0.084 R)
• M4: 1,559,558 km (0.056 R)
• M5: 1,925,325 km (0.054 R)
• M6: 6,044,203 km (0.108 R)
• M7: 6,485,516 km (0.1 R)
• M8: 10,882,796 km (0.034 R)
• M9: 12,920,618 km (0.081 R)
• M10: 15,493,552 km (0.117 R)
• M11: 16,860,727 km (0.043 R)
• M12: 19,400,899 km (0.084 R)
• M13: 20,627,602 km (0.051 R)
• M14: 20,897,027 km (0.061 R)
• M15: 21,812,118 km (0.099 R)
• M16: 22,373,858 km (0.112 R)
• M17: 28,979,352 km (0.086 R)
• M18: 31,639,052 km (0.083 R)
• M19: 34,583,437 km (0.118 R)
• M20: 37,839,585 km (0.105 R)
• M21: 42,153,688 km (0.045 R)
• M22: 51,909,115 km (0.115 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 526 - 16,896 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit