🌌 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: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.2

Radius: 14.1

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.7 AU - 0.84 AU

Year: 458 Days

Day: 14.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,267,044 km

• M1: 175,329 km (0.043 R)
• M2: 730,636 km (0.096 R)
• M3: 1,202,767 km (0.119 R)
• M4: 2,089,583 km (0.087 R)
• M5: 2,588,642 km (0.038 R)
• M6: 3,146,043 km (0.094 R)
• M7: 3,613,088 km (0.114 R)
• M8: 4,436,026 km (0.066 R)
• M9: 5,475,880 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.1

Radius: 11.8

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.69 AU - 0.85 AU

Year: 458 Days

Day: 8.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,267,044 km

• M1: 146,756 km (0.089 R)
• M2: 710,739 km (0.078 R)
• M3: 1,125,874 km (0.095 R)
• M4: 1,616,704 km (0.067 R)
• M5: 2,362,898 km (0.079 R)
• M6: 2,826,951 km (0.102 R)
• M7: 3,376,125 km (0.059 R)
• M8: 3,871,593 km (0.082 R)
• M9: 4,847,869 km (0.033 R)
• M10: 5,291,875 km (0.117 R)
• M11: 5,763,108 km (0.05 R)
• M12: 6,148,772 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.1

Radius: 10.2

Gravity: 9.24 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.77 AU - 1.13 AU

Year: 628 Days

Day: 6.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,267,044 km

• M1: 126,859 km (0.09 R)
• M2: 1,004,998 km (0.116 R)
• M3: 1,342,192 km (0.117 R)
• M4: 1,739,524 km (0.118 R)
• M5: 2,165,728 km (0.107 R)
• M6: 2,894,270 km (0.066 R)
• M7: 3,415,918 km (0.119 R)
• M8: 3,999,349 km (0.101 R)
• M9: 4,664,462 km (0.042 R)
• M10: 5,183,566 km (0.053 R)
• M11: 6,215,044 km (0.091 R)
• M12: 6,866,093 km (0.086 R)
• M13: 7,538,835 km (0.09 R)
• M14: 7,867,502 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.8

Radius: 8

Gravity: 8.67 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.08 AU - 1.16 AU

Year: 804 Days

Day: 14.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,267,044 km

• M1: 99,483 km (0.029 R)
• M2: 557,850 km (0.113 R)
• M3: 824,135 km (0.117 R)
• M4: 1,072,916 km (0.116 R)
• M5: 1,559,109 km (0.104 R)
• M6: 1,902,436 km (0.099 R)
• M7: 2,295,879 km (0.115 R)
• M8: 2,651,024 km (0.112 R)
• M9: 3,092,637 km (0.099 R)
• M10: 3,795,448 km (0.109 R)
• M11: 4,215,668 km (0.111 R)
• M12: 4,485,842 km (0.109 R)
• M13: 4,767,535 km (0.067 R)
• M14: 6,461,132 km (0.038 R)
• M15: 8,126,904 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.8

Radius: 11.8

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.66 AU - 2.42 AU

Year: 1976 Days

Day: 14 Hours

Environment

Temp: -199 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,267,044 km

• M1: 146,756 km (0.077 R)
• M2: 534,663 km (0.119 R)
• M3: 1,309,430 km (0.102 R)
• M4: 1,870,123 km (0.113 R)
• M5: 2,388,779 km (0.067 R)
• M6: 3,529,463 km (0.111 R)
• M7: 4,043,182 km (0.074 R)
• M8: 4,791,620 km (0.065 R)
• M9: 5,537,515 km (0.088 R)
• M10: 6,906,485 km (0.084 R)
• M11: 7,400,158 km (0.102 R)
• M12: 8,245,386 km (0.103 R)
• M13: 8,644,513 km (0.096 R)
• M14: 9,153,595 km (0.098 R)
• M15: 10,162,183 km (0.051 R)
• M16: 10,838,366 km (0.05 R)
• M17: 11,658,611 km (0.116 R)
• M18: 12,241,295 km (0.119 R)
• M19: 13,676,387 km (0.082 R)
• M20: 14,500,970 km (0.1 R)
• M21: 15,496,843 km (0.029 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.3

Radius: 12.2

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.78 AU - 2.34 AU

Year: 2005 Days

Day: 13.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,267,044 km

• M1: 153,338 km (0.071 R)
• M2: 656,884 km (0.043 R)
• M3: 1,159,533 km (0.107 R)
• M4: 1,618,200 km (0.102 R)
• M5: 2,087,189 km (0.06 R)
• M6: 2,544,809 km (0.073 R)
• M7: 3,012,452 km (0.075 R)
• M8: 3,458,703 km (0.102 R)
• M9: 4,070,109 km (0.04 R)
• M10: 4,830,665 km (0.078 R)
• M11: 5,339,597 km (0.116 R)
• M12: 6,043,156 km (0.116 R)
• M13: 6,733,251 km (0.041 R)
• M14: 7,475,256 km (0.107 R)
• M15: 8,385,110 km (0.036 R)
• M16: 9,429,303 km (0.03 R)
• M17: 10,491,299 km (0.065 R)
• M18: 10,999,782 km (0.093 R)
• M19: 11,524,571 km (0.112 R)
• M20: 12,250,270 km (0.074 R)
• M21: 12,967,742 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 525.7

Radius: 6.9

Gravity: 11.04 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 4.86 AU - 7.48 AU

Year: 10395 Days

Day: 24.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 42,267,044 km

• M1: 85,869 km (0.098 R)
• M2: 339,288 km (0.115 R)
• M3: 1,411,905 km (0.112 R)
• M4: 2,029,445 km (0.027 R)
• M5: 2,690,966 km (0.079 R)
• M6: 3,093,834 km (0.071 R)
• M7: 3,560,579 km (0.109 R)
• M8: 4,181,560 km (0.11 R)
• M9: 4,842,333 km (0.089 R)
• M10: 5,245,350 km (0.096 R)
• M11: 5,471,542 km (0.112 R)
• M12: 5,771,935 km (0.069 R)
• M13: 6,118,553 km (0.103 R)
• M14: 7,604,658 km (0.071 R)
• M15: 8,855,446 km (0.071 R)
• M16: 9,506,047 km (0.076 R)
• M17: 9,940,779 km (0.115 R)
• M18: 10,954,154 km (0.1 R)
• M19: 11,868,347 km (0.04 R)
• M20: 14,851,329 km (0.117 R)
• M21: 15,370,882 km (0.118 R)
• M22: 16,584,121 km (0.079 R)
• M23: 21,745,247 km (0.093 R)
• M24: 25,141,119 km (0.105 R)
• M25: 27,012,439 km (0.114 R)
• M26: 31,772,045 km (0.068 R)
• M27: 33,290,912 km (0.06 R)
• M28: 33,956,473 km (0.06 R)
• M29: 37,298,938 km (0.111 R)
• M30: 38,016,858 km (0.113 R)
• M31: 39,603,942 km (0.115 R)
• M32: 41,107,700 km (0.078 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 138.2

Radius: 7.1

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 6.82 AU - 11.26 AU

Year: 18435 Days

Day: 24 Hours

Environment

Temp: -227 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,267,044 km

• M1: 88,263 km (0.085 R)
• M2: 588,219 km (0.071 R)
• M3: 864,376 km (0.088 R)
• M4: 1,617,901 km (0.105 R)
• M5: 2,173,208 km (0.037 R)
• M6: 2,514,142 km (0.089 R)
• M7: 4,990,136 km (0.041 R)
• M8: 6,619,855 km (0.106 R)
• M9: 8,750,877 km (0.089 R)
• M10: 12,269,718 km (0.073 R)
• M11: 13,060,193 km (0.048 R)
• M12: 16,295,098 km (0.114 R)
• M13: 18,240,768 km (0.083 R)
• M14: 20,805,174 km (0.066 R)
• M15: 21,602,980 km (0.066 R)
• M16: 27,292,486 km (0.064 R)
• M17: 37,405,302 km (0.043 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 376 - 13,955 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit