🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.2

Radius: 13.7

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.68 AU - 0.78 AU

Year: 416 Days

Day: 6.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,574,084 km

• M1: 170,392 km (0.106 R)
• M2: 632,051 km (0.047 R)
• M3: 1,088,923 km (0.062 R)
• M4: 2,196,396 km (0.032 R)
• M5: 2,693,061 km (0.105 R)
• M6: 3,323,765 km (0.092 R)
• M7: 4,011,018 km (0.066 R)
• M8: 4,476,567 km (0.098 R)
• M9: 5,653,902 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.4

Radius: 13.7

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.59 AU - 0.89 AU

Year: 424 Days

Day: 6.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 75,574,084 km

• M1: 170,392 km (0.106 R)
• M2: 731,234 km (0.036 R)
• M3: 1,165,068 km (0.117 R)
• M4: 1,869,375 km (0.067 R)
• M5: 3,979,752 km (0.06 R)
• M6: 5,204,211 km (0.081 R)
• M7: 5,675,444 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.8

Radius: 12.6

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.22 AU - 1.52 AU

Year: 1069 Days

Day: 10.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,574,084 km

• M1: 156,779 km (0.116 R)
• M2: 596,596 km (0.115 R)
• M3: 1,076,357 km (0.073 R)
• M4: 1,565,392 km (0.029 R)
• M5: 2,136,557 km (0.102 R)
• M6: 2,731,059 km (0.12 R)
• M7: 3,292,051 km (0.068 R)
• M8: 3,758,946 km (0.085 R)
• M9: 4,455,922 km (0.101 R)
• M10: 5,046,535 km (0.108 R)
• M11: 5,934,248 km (0.111 R)
• M12: 7,268,961 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.7

Radius: 8.9

Gravity: 11.36 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.5 AU - 2.04 AU

Year: 1570 Days

Day: 12.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 112.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 75,574,084 km

• M1: 110,702 km (0.041 R)
• M2: 524,341 km (0.093 R)
• M3: 830,268 km (0.051 R)
• M4: 1,283,400 km (0.113 R)
• M5: 1,616,255 km (0.098 R)
• M6: 1,928,167 km (0.066 R)
• M7: 2,760,230 km (0.106 R)
• M8: 3,289,807 km (0.046 R)
• M9: 3,743,238 km (0.11 R)
• M10: 4,257,107 km (0.036 R)
• M11: 5,516,721 km (0.114 R)
• M12: 6,232,397 km (0.095 R)
• M13: 7,035,588 km (0.101 R)
• M14: 8,082,474 km (0.081 R)
• M15: 8,783,789 km (0.12 R)
• M16: 9,658,039 km (0.104 R)
• M17: 10,447,466 km (0.073 R)
• M18: 11,883,606 km (0.06 R)
• M19: 12,429,937 km (0.103 R)
• M20: 13,405,166 km (0.084 R)
• M21: 13,911,704 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977

Radius: 9.7

Gravity: 10.38 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.59 AU - 3.55 AU

Year: 3587 Days

Day: 11.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,574,084 km

• M1: 120,576 km (0.12 R)
• M2: 575,653 km (0.085 R)
• M3: 1,017,565 km (0.081 R)
• M4: 1,364,931 km (0.091 R)
• M5: 1,741,618 km (0.074 R)
• M6: 2,261,770 km (0.099 R)
• M7: 3,233,558 km (0.115 R)
• M8: 3,592,443 km (0.043 R)
• M9: 4,044,827 km (0.098 R)
• M10: 5,303,095 km (0.095 R)
• M11: 5,605,731 km (0.086 R)
• M12: 7,741,241 km (0.041 R)
• M13: 8,952,086 km (0.108 R)
• M14: 10,284,854 km (0.08 R)
• M15: 11,837,979 km (0.116 R)
• M16: 13,339,343 km (0.109 R)
• M17: 14,214,640 km (0.085 R)
• M18: 14,801,064 km (0.101 R)
• M19: 15,739,042 km (0.093 R)
• M20: 16,657,424 km (0.082 R)
• M21: 19,889,934 km (0.047 R)
• M22: 20,489,074 km (0.055 R)
• M23: 21,444,705 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.4

Radius: 11.6

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.52 AU - 3.88 AU

Year: 3817 Days

Day: 11.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,574,084 km

• M1: 144,362 km (0.093 R)
• M2: 523,443 km (0.111 R)
• M3: 951,293 km (0.117 R)
• M4: 1,375,852 km (0.107 R)
• M5: 1,774,380 km (0.077 R)
• M6: 2,156,753 km (0.091 R)
• M7: 2,564,706 km (0.061 R)
• M8: 4,069,660 km (0.119 R)
• M9: 4,930,147 km (0.08 R)
• M10: 5,517,618 km (0.111 R)
• M11: 5,908,069 km (0.112 R)
• M12: 7,100,962 km (0.096 R)
• M13: 8,792,764 km (0.095 R)
• M14: 9,959,029 km (0.042 R)
• M15: 10,461,230 km (0.106 R)
• M16: 12,463,747 km (0.084 R)
• M17: 13,696,283 km (0.057 R)
• M18: 15,772,851 km (0.063 R)
• M19: 16,670,140 km (0.061 R)
• M20: 17,379,084 km (0.081 R)
• M21: 18,740,724 km (0.108 R)
• M22: 20,603,068 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.4

Radius: 11.9

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 3.31 AU - 3.67 AU

Year: 4348 Days

Day: 13 Hours

Environment

Temp: -221 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,574,084 km

• M1: 154,235 km (0.082 R)
• M2: 575,353 km (0.108 R)
• M3: 1,228,049 km (0.111 R)
• M4: 1,730,698 km (0.047 R)
• M5: 2,309,193 km (0.038 R)
• M6: 3,349,197 km (0.098 R)
• M7: 3,942,801 km (0.101 R)
• M8: 4,876,143 km (0.107 R)
• M9: 5,724,213 km (0.075 R)
• M10: 6,575,425 km (0.12 R)
• M11: 7,080,168 km (0.117 R)
• M12: 9,719,523 km (0.096 R)
• M13: 10,417,547 km (0.063 R)
• M14: 11,325,756 km (0.064 R)
• M15: 16,105,408 km (0.101 R)
• M16: 17,917,935 km (0.083 R)
• M17: 18,654,854 km (0.117 R)
• M18: 21,530,874 km (0.093 R)
• M19: 23,873,277 km (0.047 R)
• M20: 24,916,573 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 497

Radius: 4.6

Gravity: 23.49 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 9.41 AU - 11.93 AU

Year: 23242 Days

Day: 23.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 75,574,084 km

• M1: 57,446 km (0.033 R)
• M2: 306,975 km (0.075 R)
• M3: 617,091 km (0.12 R)
• M4: 807,679 km (0.029 R)
• M5: 1,000,211 km (0.097 R)
• M6: 1,995,935 km (0.047 R)
• M7: 3,464,387 km (0.11 R)
• M8: 4,233,769 km (0.027 R)
• M9: 7,503,979 km (0.11 R)
• M10: 7,748,422 km (0.118 R)
• M11: 9,327,876 km (0.083 R)
• M12: 9,840,698 km (0.106 R)
• M13: 12,758,903 km (0.12 R)
• M14: 16,044,820 km (0.101 R)
• M15: 16,697,217 km (0.106 R)
• M16: 17,030,072 km (0.053 R)
• M17: 19,030,046 km (0.113 R)
• M18: 20,039,682 km (0.092 R)
• M19: 21,473,278 km (0.115 R)
• M20: 22,769,843 km (0.09 R)
• M21: 25,627,910 km (0.067 R)
• M22: 40,637,514 km (0.074 R)
• M23: 43,080,896 km (0.066 R)
• M24: 52,047,942 km (0.113 R)
• M25: 53,473,908 km (0.089 R)
• M26: 60,408,667 km (0.087 R)
• M27: 69,192,755 km (0.112 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: 519 - 18,600 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit