🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.2

Radius: 14.3

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.54 AU - 0.6 AU

Year: 292 Days

Day: 5.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 63,855,053 km

• M1: 177,872 km (0.111 R)
• M2: 742,454 km (0.105 R)
• M3: 1,597,556 km (0.083 R)
• M4: 2,526,708 km (0.091 R)
• M5: 3,284,272 km (0.035 R)
• M6: 3,769,268 km (0.112 R)
• M7: 4,547,925 km (0.031 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.3

Radius: 12.4

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.58 AU - 0.96 AU

Year: 458 Days

Day: 5.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 63,855,053 km

• M1: 175,927 km (0.06 R)
• M2: 673,340 km (0.064 R)
• M3: 2,084,946 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.1

Radius: 13.4

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.81 AU - 1.29 AU

Year: 730 Days

Day: 13 Hours

Environment

Temp: -168 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 63,855,053 km

• M1: 167,101 km (0.08 R)
• M2: 643,720 km (0.114 R)
• M3: 1,324,540 km (0.099 R)
• M4: 2,019,721 km (0.109 R)
• M5: 2,488,860 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.1

Radius: 13.3

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.18 AU - 3.52 AU

Year: 3263 Days

Day: 12.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,855,053 km

• M1: 168,447 km (0.118 R)
• M2: 607,667 km (0.107 R)
• M3: 1,034,918 km (0.095 R)
• M4: 1,696,290 km (0.113 R)
• M5: 2,598,814 km (0.061 R)
• M6: 3,316,585 km (0.105 R)
• M7: 4,549,122 km (0.109 R)
• M8: 5,418,884 km (0.105 R)
• M9: 6,452,605 km (0.1 R)
• M10: 6,883,746 km (0.104 R)
• M11: 7,868,549 km (0.109 R)
• M12: 9,193,238 km (0.116 R)
• M13: 9,629,316 km (0.118 R)
• M14: 10,194,048 km (0.108 R)
• M15: 10,780,771 km (0.078 R)
• M16: 11,556,136 km (0.117 R)
• M17: 12,021,984 km (0.12 R)
• M18: 16,370,645 km (0.045 R)
• M19: 17,230,982 km (0.073 R)
• M20: 18,635,257 km (0.105 R)
• M21: 20,665,899 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267

Radius: 13.4

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.58 AU - 3.74 AU

Year: 3810 Days

Day: 12.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 70 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,855,053 km

• M1: 168,597 km (0.082 R)
• M2: 649,255 km (0.097 R)
• M3: 1,167,163 km (0.108 R)
• M4: 1,751,941 km (0.055 R)
• M5: 2,338,364 km (0.114 R)
• M6: 3,669,636 km (0.088 R)
• M7: 4,244,840 km (0.058 R)
• M8: 5,651,060 km (0.051 R)
• M9: 8,266,479 km (0.114 R)
• M10: 9,055,159 km (0.099 R)
• M11: 10,368,628 km (0.081 R)
• M12: 11,724,733 km (0.084 R)
• M13: 12,215,863 km (0.091 R)
• M14: 12,678,120 km (0.091 R)
• M15: 14,786,702 km (0.077 R)
• M16: 15,555,187 km (0.103 R)
• M17: 18,075,312 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.7

Radius: 9.7

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.16 AU - 4.56 AU

Year: 5144 Days

Day: 14.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,855,053 km

• M1: 121,174 km (0.027 R)
• M2: 923,468 km (0.071 R)
• M3: 1,304,493 km (0.079 R)
• M4: 1,664,725 km (0.113 R)
• M5: 2,415,706 km (0.102 R)
• M6: 3,796,046 km (0.083 R)
• M7: 5,500,415 km (0.049 R)
• M8: 7,341,815 km (0.093 R)
• M9: 8,229,828 km (0.052 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.9

Radius: 12.8

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 4.47 AU - 6.39 AU

Year: 8582 Days

Day: 10 Hours

Environment

Temp: -234 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,855,053 km

• M1: 170,392 km (0.104 R)
• M2: 569,369 km (0.087 R)
• M3: 1,254,677 km (0.053 R)
• M4: 2,120,699 km (0.078 R)
• M5: 2,668,527 km (0.071 R)
• M6: 6,994,149 km (0.116 R)
• M7: 7,860,022 km (0.118 R)
• M8: 10,890,127 km (0.089 R)
• M9: 12,001,190 km (0.09 R)
• M10: 20,682,354 km (0.094 R)
• M11: 23,267,705 km (0.04 R)
• M12: 24,175,465 km (0.068 R)
• M13: 26,326,233 km (0.093 R)
• M14: 31,802,263 km (0.106 R)
• M15: 35,019,665 km (0.064 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 916.2

Radius: 3.9

Gravity: 60.24 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 6.71 AU - 7.83 AU

Year: 13295 Days

Day: 21.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 63,855,053 km

• M1: 48,470 km (0.062 R)
• M2: 465,698 km (0.058 R)
• M3: 691,591 km (0.065 R)
• M4: 1,118,992 km (0.088 R)
• M5: 1,464,264 km (0.107 R)
• M6: 1,986,361 km (0.06 R)
• M7: 2,645,938 km (0.109 R)
• M8: 4,478,362 km (0.086 R)
• M9: 5,446,858 km (0.116 R)
• M10: 7,282,873 km (0.111 R)
• M11: 7,463,737 km (0.103 R)
• M12: 8,364,017 km (0.111 R)
• M13: 11,193,960 km (0.086 R)
• M14: 11,374,375 km (0.094 R)
• M15: 11,741,039 km (0.111 R)
• M16: 12,052,652 km (0.067 R)
• M17: 17,896,842 km (0.097 R)
• M18: 30,678,783 km (0.1 R)
• M19: 31,987,914 km (0.117 R)
• M20: 35,358,205 km (0.11 R)
• M21: 36,138,058 km (0.076 R)
• M22: 40,916,813 km (0.076 R)
• M23: 41,201,946 km (0.073 R)
• M24: 42,647,511 km (0.072 R)
• M25: 45,030,156 km (0.101 R)
• M26: 46,563,534 km (0.119 R)
• M27: 46,874,249 km (0.073 R)
• M28: 48,449,066 km (0.116 R)
• M29: 49,896,126 km (0.12 R)
• M30: 57,923,548 km (0.11 R)
• M31: 58,644,011 km (0.064 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 351 - 15,941 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit