🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.2

Radius: 9

Gravity: 12.21 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.97 AU - 1.09 AU

Year: 722 Days

Day: 7 Hours

Environment

Temp: -179 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,734,688 km

• M1: 111,899 km (0.081 R)
• M2: 436,377 km (0.086 R)
• M3: 896,839 km (0.101 R)
• M4: 1,371,962 km (0.118 R)
• M5: 1,894,358 km (0.1 R)
• M6: 2,280,620 km (0.092 R)
• M7: 2,636,513 km (0.104 R)
• M8: 3,003,626 km (0.075 R)
• M9: 3,691,776 km (0.103 R)
• M10: 4,548,972 km (0.06 R)
• M11: 5,190,298 km (0.045 R)
• M12: 5,572,072 km (0.117 R)
• M13: 6,013,386 km (0.108 R)
• M14: 6,543,261 km (0.12 R)
• M15: 6,898,407 km (0.079 R)
• M16: 7,793,750 km (0.077 R)
• M17: 8,397,976 km (0.084 R)
• M18: 9,141,926 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211

Radius: 13.7

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.21 AU - 1.55 AU

Year: 1119 Days

Day: 9.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 39,734,688 km

• M1: 173,683 km (0.097 R)
• M2: 718,519 km (0.099 R)
• M3: 1,603,839 km (0.103 R)
• M4: 2,051,436 km (0.086 R)
• M5: 2,690,368 km (0.09 R)
• M6: 3,183,742 km (0.106 R)
• M7: 5,835,364 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.9

Radius: 14.4

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.21 AU - 1.61 AU

Year: 1156 Days

Day: 6.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,734,688 km

• M1: 179,069 km (0.118 R)
• M2: 993,180 km (0.08 R)
• M3: 1,584,092 km (0.119 R)
• M4: 2,088,386 km (0.031 R)
• M5: 3,044,167 km (0.113 R)
• M6: 4,241,698 km (0.112 R)
• M7: 4,692,736 km (0.03 R)
• M8: 6,645,586 km (0.101 R)
• M9: 7,702,645 km (0.114 R)
• M10: 8,431,934 km (0.1 R)
• M11: 9,465,955 km (0.074 R)
• M12: 9,938,535 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.4

Radius: 10.3

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.2 AU - 1.96 AU

Year: 1371 Days

Day: 8.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,734,688 km

• M1: 128,056 km (0.064 R)
• M2: 551,418 km (0.07 R)
• M3: 903,422 km (0.084 R)
• M4: 1,260,661 km (0.117 R)
• M5: 1,668,764 km (0.11 R)
• M6: 2,572,635 km (0.119 R)
• M7: 2,951,416 km (0.112 R)
• M8: 3,666,195 km (0.063 R)
• M9: 4,148,050 km (0.115 R)
• M10: 4,599,387 km (0.09 R)
• M11: 7,901,161 km (0.052 R)
• M12: 8,351,600 km (0.052 R)
• M13: 9,245,896 km (0.027 R)
• M14: 10,673,509 km (0.03 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.1

Radius: 12.6

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.56 AU - 1.92 AU

Year: 1584 Days

Day: 10.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,734,688 km

• M1: 156,779 km (0.058 R)
• M2: 581,038 km (0.088 R)
• M3: 1,585,588 km (0.086 R)
• M4: 2,042,011 km (0.084 R)
• M5: 2,595,224 km (0.115 R)
• M6: 3,112,832 km (0.053 R)
• M7: 3,573,744 km (0.036 R)
• M8: 4,306,324 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.5

Radius: 9.3

Gravity: 10.52 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.99 AU - 4.03 AU

Year: 4539 Days

Day: 9.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 39,734,688 km

• M1: 115,639 km (0.099 R)
• M2: 767,437 km (0.05 R)
• M3: 1,066,334 km (0.108 R)
• M4: 1,586,186 km (0.09 R)
• M5: 2,026,154 km (0.084 R)
• M6: 2,412,415 km (0.1 R)
• M7: 2,756,341 km (0.099 R)
• M8: 3,501,338 km (0.106 R)
• M9: 4,704,853 km (0.118 R)
• M10: 5,161,575 km (0.066 R)
• M11: 6,039,864 km (0.089 R)
• M12: 8,434,178 km (0.093 R)
• M13: 8,987,690 km (0.097 R)
• M14: 9,397,738 km (0.065 R)
• M15: 10,123,438 km (0.097 R)
• M16: 10,477,685 km (0.113 R)
• M17: 10,840,161 km (0.089 R)
• M18: 12,125,805 km (0.067 R)
• M19: 12,424,851 km (0.076 R)
• M20: 12,779,847 km (0.053 R)
• M21: 13,777,964 km (0.093 R)
• M22: 14,714,147 km (0.096 R)
• M23: 16,347,756 km (0.091 R)
• M24: 16,651,739 km (0.106 R)
• M25: 21,531,023 km (0.1 R)
• M26: 21,896,491 km (0.112 R)
• M27: 23,941,793 km (0.091 R)
• M28: 27,116,559 km (0.079 R)
• M29: 27,973,605 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 388.8

Radius: 4.7

Gravity: 17.6 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 5.16 AU - 6.74 AU

Year: 10018 Days

Day: 20.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,734,688 km

• M1: 59,839 km (0.077 R)
• M2: 447,298 km (0.119 R)
• M3: 641,924 km (0.063 R)
• M4: 1,645,577 km (0.119 R)
• M5: 4,099,430 km (0.115 R)
• M6: 4,446,348 km (0.055 R)
• M7: 5,017,961 km (0.082 R)
• M8: 5,290,678 km (0.058 R)
• M9: 5,509,540 km (0.078 R)
• M10: 5,832,522 km (0.096 R)
• M11: 7,329,099 km (0.044 R)
• M12: 9,885,128 km (0.099 R)
• M13: 10,169,514 km (0.067 R)
• M14: 12,644,311 km (0.117 R)
• M15: 13,551,024 km (0.097 R)
• M16: 15,429,824 km (0.055 R)
• M17: 17,406,759 km (0.097 R)
• M18: 18,171,953 km (0.079 R)
• M19: 21,144,013 km (0.072 R)
• M20: 25,737,566 km (0.094 R)
• M21: 27,281,416 km (0.046 R)
• M22: 30,853,214 km (0.061 R)
• M23: 34,833,415 km (0.076 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: 502 - 13,040 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit