🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34

Radius: 11.3

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.39 AU - 0.63 AU

Year: 256 Days

Day: 12.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 57,140,321 km

• M1: 140,622 km (0.097 R)
• M2: 646,412 km (0.106 R)
• M3: 1,030,580 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.3

Radius: 13.9

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.67 AU - 2.57 AU

Year: 2170 Days

Day: 6.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,140,321 km

• M1: 173,384 km (0.104 R)
• M2: 658,979 km (0.056 R)
• M3: 1,107,623 km (0.105 R)
• M4: 1,573,620 km (0.082 R)
• M5: 2,055,774 km (0.1 R)
• M6: 2,678,999 km (0.05 R)
• M7: 3,168,034 km (0.096 R)
• M8: 3,612,489 km (0.092 R)
• M9: 4,407,602 km (0.098 R)
• M10: 5,094,855 km (0.097 R)
• M11: 6,373,168 km (0.113 R)
• M12: 6,817,025 km (0.118 R)
• M13: 7,394,174 km (0.043 R)
• M14: 8,275,006 km (0.114 R)
• M15: 8,836,447 km (0.087 R)
• M16: 10,530,793 km (0.105 R)
• M17: 11,190,968 km (0.072 R)
• M18: 11,839,774 km (0.102 R)
• M19: 13,004,244 km (0.067 R)
• M20: 13,465,454 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.7

Radius: 10.8

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.59 AU - 3.73 AU

Year: 3949 Days

Day: 5.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,140,321 km

• M1: 134,788 km (0.086 R)
• M2: 480,359 km (0.099 R)
• M3: 826,827 km (0.092 R)
• M4: 1,519,765 km (0.077 R)
• M5: 2,902,947 km (0.108 R)
• M6: 3,330,198 km (0.102 R)
• M7: 5,411,404 km (0.109 R)
• M8: 6,814,333 km (0.109 R)
• M9: 10,424,428 km (0.096 R)
• M10: 10,764,764 km (0.05 R)
• M11: 12,579,386 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.7

Radius: 14.8

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.91 AU - 4.19 AU

Year: 4702 Days

Day: 9.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 57,140,321 km

• M1: 207,941 km (0.025 R)
• M2: 4,707,247 km (0.087 R)
• M3: 5,229,194 km (0.095 R)
• M4: 5,985,860 km (0.101 R)
• M5: 7,370,388 km (0.107 R)
• M6: 8,397,826 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.6

Radius: 10.8

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 3.37 AU - 4.27 AU

Year: 5248 Days

Day: 8.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,140,321 km

• M1: 134,339 km (0.055 R)
• M2: 581,936 km (0.06 R)
• M3: 998,715 km (0.12 R)
• M4: 1,662,332 km (0.089 R)
• M5: 2,183,381 km (0.091 R)
• M6: 2,521,771 km (0.098 R)
• M7: 3,087,251 km (0.078 R)
• M8: 3,634,929 km (0.063 R)
• M9: 4,381,273 km (0.073 R)
• M10: 4,999,561 km (0.042 R)
• M11: 5,922,729 km (0.079 R)
• M12: 6,770,650 km (0.055 R)
• M13: 8,070,656 km (0.038 R)
• M14: 9,000,705 km (0.046 R)
• M15: 11,158,655 km (0.108 R)
• M16: 11,859,371 km (0.091 R)
• M17: 14,750,649 km (0.087 R)
• M18: 15,648,536 km (0.039 R)
• M19: 16,526,526 km (0.083 R)
• M20: 18,743,117 km (0.104 R)
• M21: 19,922,547 km (0.057 R)
• M22: 20,692,677 km (0.093 R)
• M23: 22,982,422 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 593.9

Radius: 7.4

Gravity: 10.85 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 6.22 AU - 8.46 AU

Year: 13978 Days

Day: 17.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 57,140,321 km

• M1: 92,003 km (0.074 R)
• M2: 334,501 km (0.112 R)
• M3: 590,762 km (0.089 R)
• M4: 1,317,658 km (0.041 R)
• M5: 2,517,134 km (0.063 R)
• M6: 3,853,791 km (0.116 R)
• M7: 6,129,025 km (0.039 R)
• M8: 6,969,466 km (0.027 R)
• M9: 8,827,920 km (0.115 R)
• M10: 9,125,021 km (0.065 R)
• M11: 9,635,300 km (0.045 R)
• M12: 11,108,091 km (0.041 R)
• M13: 15,758,939 km (0.105 R)
• M14: 17,020,647 km (0.038 R)
• M15: 17,872,009 km (0.109 R)
• M16: 19,743,628 km (0.114 R)
• M17: 21,120,078 km (0.063 R)
• M18: 23,022,364 km (0.115 R)
• M19: 23,397,257 km (0.07 R)
• M20: 27,477,987 km (0.034 R)
• M21: 30,861,143 km (0.063 R)
• M22: 33,424,054 km (0.118 R)
• M23: 38,048,423 km (0.055 R)
• M24: 41,541,833 km (0.105 R)
• M25: 44,514,791 km (0.094 R)
• M26: 45,683,749 km (0.118 R)
• M27: 48,235,589 km (0.079 R)
• M28: 50,564,679 km (0.066 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: 231 - 11,160 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit