🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.9

Radius: 8.7

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.44 AU - 0.68 AU

Year: 279 Days

Day: 8.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 150.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 52,641,681 km

• M1: 108,458 km (0.078 R)
• M2: 1,044,642 km (0.047 R)
• M3: 1,408,614 km (0.102 R)
• M4: 1,754,933 km (0.107 R)
• M5: 3,178,207 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649

Radius: 11.6

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.54 AU - 0.66 AU

Year: 310 Days

Day: 8.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,641,681 km

• M1: 144,212 km (0.068 R)
• M2: 538,253 km (0.083 R)
• M3: 905,366 km (0.105 R)
• M4: 1,275,023 km (0.096 R)
• M5: 1,755,082 km (0.084 R)
• M6: 2,680,644 km (0.12 R)
• M7: 3,057,182 km (0.119 R)
• M8: 3,480,245 km (0.113 R)
• M9: 3,882,514 km (0.087 R)
• M10: 4,328,764 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.4

Radius: 13.1

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.91 AU - 1.23 AU

Year: 738 Days

Day: 9.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,641,681 km

• M1: 162,912 km (0.102 R)
• M2: 570,267 km (0.087 R)
• M3: 1,138,889 km (0.062 R)
• M4: 1,637,049 km (0.036 R)
• M5: 2,291,540 km (0.097 R)
• M6: 2,865,248 km (0.108 R)
• M7: 3,808,463 km (0.064 R)
• M8: 4,601,930 km (0.091 R)
• M9: 5,407,664 km (0.07 R)
• M10: 6,036,424 km (0.117 R)
• M11: 7,511,608 km (0.107 R)
• M12: 8,945,653 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.4

Radius: 14.6

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.41 AU - 1.61 AU

Year: 1237 Days

Day: 11.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,641,681 km

• M1: 190,588 km (0.069 R)
• M2: 981,811 km (0.12 R)
• M3: 1,473,838 km (0.09 R)
• M4: 2,989,414 km (0.115 R)
• M5: 3,784,677 km (0.094 R)
• M6: 4,390,548 km (0.087 R)
• M7: 4,963,807 km (0.12 R)
• M8: 5,950,255 km (0.095 R)
• M9: 6,797,129 km (0.08 R)
• M10: 8,760,152 km (0.063 R)
• M11: 9,312,467 km (0.065 R)
• M12: 10,232,046 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.8

Radius: 11.7

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.54 AU - 1.8 AU

Year: 1439 Days

Day: 5.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,641,681 km

• M1: 148,700 km (0.044 R)
• M2: 582,235 km (0.087 R)
• M3: 1,119,441 km (0.12 R)
• M4: 1,543,102 km (0.061 R)
• M5: 2,042,161 km (0.088 R)
• M6: 2,660,897 km (0.109 R)
• M7: 3,115,974 km (0.115 R)
• M8: 5,104,279 km (0.1 R)
• M9: 5,924,375 km (0.067 R)
• M10: 6,706,024 km (0.08 R)
• M11: 7,717,006 km (0.081 R)
• M12: 8,302,083 km (0.057 R)
• M13: 9,036,908 km (0.05 R)
• M14: 11,012,198 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.8

Radius: 8.9

Gravity: 12.55 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 3.82 AU - 4.22 AU

Year: 5375 Days

Day: 8.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 52,641,681 km

• M1: 111,600 km (0.086 R)
• M2: 423,362 km (0.112 R)
• M3: 1,057,059 km (0.102 R)
• M4: 1,516,174 km (0.034 R)
• M5: 1,878,351 km (0.083 R)
• M6: 2,993,753 km (0.116 R)
• M7: 3,660,062 km (0.088 R)
• M8: 4,190,386 km (0.105 R)
• M9: 4,743,599 km (0.078 R)
• M10: 5,464,810 km (0.104 R)
• M11: 6,060,359 km (0.062 R)
• M12: 6,390,821 km (0.112 R)
• M13: 7,343,759 km (0.094 R)
• M14: 9,095,251 km (0.108 R)
• M15: 9,441,271 km (0.114 R)
• M16: 10,438,491 km (0.066 R)
• M17: 11,011,301 km (0.111 R)
• M18: 11,504,525 km (0.074 R)
• M19: 13,625,823 km (0.062 R)
• M20: 13,908,264 km (0.117 R)
• M21: 14,719,682 km (0.039 R)
• M22: 15,318,224 km (0.107 R)
• M23: 17,211,833 km (0.106 R)
• M24: 21,840,541 km (0.104 R)
• M25: 24,480,644 km (0.116 R)
• M26: 25,151,292 km (0.105 R)
• M27: 26,093,459 km (0.09 R)
• M28: 27,326,295 km (0.099 R)
• M29: 27,775,986 km (0.089 R)
• M30: 32,950,876 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 153.3

Radius: 7.5

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 9.44 AU - 12.56 AU

Year: 24329 Days

Day: 21.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 52,641,681 km

• M1: 94,247 km (0.109 R)
• M2: 601,084 km (0.061 R)
• M3: 944,262 km (0.091 R)
• M4: 1,309,729 km (0.098 R)
• M5: 1,584,241 km (0.076 R)
• M6: 2,326,995 km (0.11 R)
• M7: 3,635,976 km (0.119 R)
• M8: 4,155,679 km (0.103 R)
• M9: 6,162,684 km (0.111 R)
• M10: 9,174,089 km (0.091 R)
• M11: 11,218,195 km (0.053 R)
• M12: 12,138,521 km (0.082 R)
• M13: 12,376,232 km (0.114 R)
• M14: 18,040,306 km (0.093 R)
• M15: 18,506,304 km (0.108 R)
• M16: 21,647,111 km (0.089 R)
• M17: 22,979,131 km (0.101 R)
• M18: 24,270,759 km (0.079 R)
• M19: 25,610,108 km (0.092 R)
• M20: 43,878,551 km (0.103 R)
• M21: 45,432,125 km (0.108 R)
• M22: 49,854,837 km (0.104 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 372 - 18,356 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit