🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.7

Radius: 12.5

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.73 AU - 0.93 AU

Year: 488 Days

Day: 6.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,305,791 km

• M1: 156,180 km (0.113 R)
• M2: 657,183 km (0.046 R)
• M3: 1,225,655 km (0.103 R)
• M4: 1,684,622 km (0.114 R)
• M5: 2,675,857 km (0.112 R)
• M6: 3,279,036 km (0.064 R)
• M7: 3,742,640 km (0.046 R)
• M8: 4,277,302 km (0.081 R)
• M9: 5,324,188 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.3

Radius: 13

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.34 AU - 1.44 AU

Year: 1058 Days

Day: 5.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 44,305,791 km

• M1: 161,715 km (0.081 R)
• M2: 571,613 km (0.106 R)
• M3: 1,021,005 km (0.111 R)
• M4: 1,570,179 km (0.093 R)
• M5: 2,152,713 km (0.042 R)
• M6: 2,787,607 km (0.084 R)
• M7: 3,226,676 km (0.096 R)
• M8: 3,884,758 km (0.104 R)
• M9: 4,453,080 km (0.117 R)
• M10: 4,887,362 km (0.065 R)
• M11: 5,450,000 km (0.093 R)
• M12: 6,386,184 km (0.06 R)
• M13: 6,846,047 km (0.044 R)
• M14: 7,352,586 km (0.079 R)
• M15: 8,252,567 km (0.083 R)
• M16: 8,715,572 km (0.079 R)
• M17: 10,148,271 km (0.112 R)
• M18: 10,776,133 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.8

Radius: 13.5

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.18 AU - 1.74 AU

Year: 1139 Days

Day: 14.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,305,791 km

• M1: 168,597 km (0.105 R)
• M2: 598,541 km (0.034 R)
• M3: 1,474,437 km (0.05 R)
• M4: 1,996,234 km (0.072 R)
• M5: 2,542,416 km (0.096 R)
• M6: 3,124,950 km (0.06 R)
• M7: 3,612,489 km (0.081 R)
• M8: 4,544,783 km (0.098 R)
• M9: 5,227,548 km (0.086 R)
• M10: 5,726,307 km (0.054 R)
• M11: 6,216,540 km (0.069 R)
• M12: 7,740,493 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.7

Radius: 14.1

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.65 AU - 1.93 AU

Year: 1546 Days

Day: 9.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 44,305,791 km

• M1: 177,872 km (0.073 R)
• M2: 794,963 km (0.098 R)
• M3: 1,837,959 km (0.086 R)
• M4: 2,365,591 km (0.09 R)
• M5: 2,848,643 km (0.115 R)
• M6: 3,681,753 km (0.064 R)
• M7: 4,128,602 km (0.109 R)
• M8: 4,982,955 km (0.067 R)
• M9: 5,464,062 km (0.096 R)
• M10: 5,952,350 km (0.07 R)
• M11: 7,097,970 km (0.091 R)
• M12: 7,911,035 km (0.085 R)
• M13: 8,661,118 km (0.049 R)
• M14: 9,165,712 km (0.113 R)
• M15: 10,130,469 km (0.098 R)
• M16: 12,145,253 km (0.026 R)
• M17: 13,517,364 km (0.079 R)
• M18: 14,154,651 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.6

Radius: 11.9

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2.76 AU - 4.06 AU

Year: 4066 Days

Day: 11.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 44,305,791 km

• M1: 149,299 km (0.091 R)
• M2: 693,237 km (0.108 R)
• M3: 1,376,749 km (0.119 R)
• M4: 1,960,929 km (0.065 R)
• M5: 2,381,149 km (0.115 R)
• M6: 3,079,323 km (0.048 R)
• M7: 3,844,067 km (0.107 R)
• M8: 4,731,481 km (0.06 R)
• M9: 7,173,667 km (0.079 R)
• M10: 8,479,058 km (0.06 R)
• M11: 8,973,479 km (0.105 R)
• M12: 9,446,956 km (0.111 R)
• M13: 10,104,139 km (0.117 R)
• M14: 12,069,257 km (0.111 R)
• M15: 12,452,228 km (0.097 R)
• M16: 13,445,258 km (0.082 R)
• M17: 14,224,214 km (0.065 R)
• M18: 15,532,897 km (0.113 R)
• M19: 15,929,331 km (0.079 R)
• M20: 16,801,486 km (0.041 R)
• M21: 17,766,692 km (0.061 R)
• M22: 20,747,878 km (0.09 R)
• M23: 21,507,237 km (0.088 R)
• M24: 22,000,162 km (0.089 R)
• M25: 22,862,743 km (0.081 R)
• M26: 23,747,615 km (0.096 R)
• M27: 26,059,650 km (0.029 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.6

Radius: 11.2

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3.13 AU - 4.97 AU

Year: 5263 Days

Day: 7.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,305,791 km

• M1: 139,874 km (0.105 R)
• M2: 525,837 km (0.062 R)
• M3: 950,395 km (0.083 R)
• M4: 1,388,717 km (0.054 R)
• M5: 1,785,151 km (0.096 R)
• M6: 2,288,847 km (0.059 R)
• M7: 2,687,825 km (0.061 R)
• M8: 3,415,768 km (0.101 R)
• M9: 3,894,481 km (0.038 R)
• M10: 4,294,805 km (0.051 R)
• M11: 4,670,894 km (0.116 R)
• M12: 6,401,592 km (0.065 R)
• M13: 7,097,970 km (0.097 R)
• M14: 7,992,117 km (0.085 R)
• M15: 15,346,348 km (0.057 R)
• M16: 18,229,099 km (0.096 R)
• M17: 18,687,317 km (0.094 R)
• M18: 19,153,165 km (0.06 R)
• M19: 23,393,816 km (0.086 R)
• M20: 25,365,815 km (0.112 R)
• M21: 26,350,618 km (0.092 R)
• M22: 29,101,573 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 216.6

Radius: 5.5

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 7.52 AU - 9.34 AU

Year: 15804 Days

Day: 15.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,305,791 km

• M1: 81,082 km (0.114 R)
• M2: 297,401 km (0.072 R)
• M3: 526,734 km (0.067 R)
• M4: 1,545,346 km (0.089 R)
• M5: 2,132,368 km (0.119 R)
• M6: 2,692,462 km (0.11 R)
• M7: 3,836,737 km (0.064 R)
• M8: 4,402,366 km (0.07 R)
• M9: 6,995,496 km (0.054 R)
• M10: 10,611,426 km (0.081 R)
• M11: 11,719,348 km (0.093 R)
• M12: 12,556,647 km (0.087 R)
• M13: 12,844,324 km (0.086 R)
• M14: 15,112,078 km (0.108 R)
• M15: 16,035,695 km (0.116 R)
• M16: 21,549,573 km (0.082 R)
• M17: 28,304,067 km (0.087 R)
• M18: 28,501,386 km (0.067 R)
• M19: 31,044,550 km (0.07 R)
• M20: 36,228,116 km (0.101 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 198 - 11,350 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit