🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.1

Radius: 8.3

Gravity: 9.06 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.66 AU - 0.94 AU

Year: 469 Days

Day: 10 Hours

Environment

Temp: -137 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,657,203 km

• M1: 103,223 km (0.1 R)
• M2: 677,978 km (0.09 R)
• M3: 1,152,652 km (0.111 R)
• M4: 1,639,443 km (0.096 R)
• M5: 2,266,557 km (0.08 R)
• M6: 3,563,421 km (0.082 R)
• M7: 4,464,898 km (0.117 R)
• M8: 5,071,368 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.8

Radius: 9.4

Gravity: 10.75 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.01 AU - 1.19 AU

Year: 757 Days

Day: 14 Hours

Environment

Temp: -172 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,657,203 km

• M1: 117,285 km (0.114 R)
• M2: 447,148 km (0.106 R)
• M3: 739,761 km (0.05 R)
• M4: 1,319,154 km (0.082 R)
• M5: 1,857,108 km (0.09 R)
• M6: 2,894,868 km (0.113 R)
• M7: 3,398,864 km (0.111 R)
• M8: 3,898,521 km (0.111 R)
• M9: 4,917,282 km (0.091 R)
• M10: 5,776,123 km (0.111 R)
• M11: 7,049,351 km (0.061 R)
• M12: 7,424,991 km (0.04 R)
• M13: 7,789,112 km (0.108 R)
• M14: 9,282,847 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.6

Radius: 8.2

Gravity: 12.37 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.98 AU - 1.54 AU

Year: 928 Days

Day: 11.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,657,203 km

• M1: 102,026 km (0.082 R)
• M2: 371,152 km (0.043 R)
• M3: 631,901 km (0.114 R)
• M4: 1,221,167 km (0.098 R)
• M5: 1,494,932 km (0.08 R)
• M6: 1,924,427 km (0.107 R)
• M7: 2,222,576 km (0.111 R)
• M8: 2,527,755 km (0.101 R)
• M9: 2,835,179 km (0.096 R)
• M10: 3,251,211 km (0.08 R)
• M11: 3,927,243 km (0.092 R)
• M12: 4,970,240 km (0.111 R)
• M13: 5,316,409 km (0.105 R)
• M14: 6,475,194 km (0.113 R)
• M15: 6,772,146 km (0.082 R)
• M16: 7,246,670 km (0.071 R)
• M17: 8,476,365 km (0.09 R)
• M18: 8,915,584 km (0.061 R)
• M19: 9,485,851 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.1

Radius: 8.8

Gravity: 11.17 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.56 AU - 2.8 AU

Year: 2878 Days

Day: 7.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,657,203 km

• M1: 109,506 km (0.025 R)
• M2: 452,234 km (0.084 R)
• M3: 785,538 km (0.094 R)
• M4: 1,266,496 km (0.092 R)
• M5: 2,226,615 km (0.109 R)
• M6: 2,868,689 km (0.112 R)
• M7: 3,436,712 km (0.095 R)
• M8: 4,120,374 km (0.112 R)
• M9: 5,037,559 km (0.066 R)
• M10: 5,864,386 km (0.087 R)
• M11: 6,225,216 km (0.055 R)
• M12: 7,951,725 km (0.113 R)
• M13: 9,070,418 km (0.06 R)
• M14: 9,365,874 km (0.084 R)
• M15: 9,744,057 km (0.072 R)
• M16: 10,734,545 km (0.102 R)
• M17: 11,574,238 km (0.064 R)
• M18: 12,098,578 km (0.068 R)
• M19: 14,306,044 km (0.108 R)
• M20: 14,961,133 km (0.066 R)
• M21: 15,426,383 km (0.114 R)
• M22: 16,440,058 km (0.115 R)
• M23: 16,769,173 km (0.11 R)
• M24: 18,481,471 km (0.113 R)
• M25: 22,451,050 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.2

Radius: 10.4

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 2.47 AU - 3.29 AU

Year: 3206 Days

Day: 12.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,657,203 km

• M1: 129,402 km (0.071 R)
• M2: 614,548 km (0.115 R)
• M3: 2,302,760 km (0.041 R)
• M4: 3,300,428 km (0.076 R)
• M5: 5,252,830 km (0.073 R)
• M6: 6,316,770 km (0.093 R)
• M7: 8,597,090 km (0.05 R)
• M8: 8,958,220 km (0.073 R)
• M9: 10,004,058 km (0.117 R)
• M10: 10,505,361 km (0.11 R)
• M11: 11,414,318 km (0.11 R)
• M12: 11,740,890 km (0.086 R)
• M13: 12,565,473 km (0.113 R)
• M14: 12,992,126 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 243.4

Radius: 6.3

Gravity: 6.13 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 6.98 AU - 9.2 AU

Year: 15095 Days

Day: 23.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 55,657,203 km

• M1: 86,617 km (0.07 R)
• M2: 356,193 km (0.086 R)
• M3: 694,882 km (0.095 R)
• M4: 965,953 km (0.102 R)
• M5: 1,695,692 km (0.091 R)
• M6: 2,090,481 km (0.079 R)
• M7: 2,525,511 km (0.096 R)
• M8: 2,723,728 km (0.104 R)
• M9: 3,219,945 km (0.059 R)
• M10: 4,224,045 km (0.106 R)
• M11: 4,476,118 km (0.106 R)
• M12: 4,827,673 km (0.081 R)
• M13: 7,826,661 km (0.054 R)
• M14: 9,098,542 km (0.108 R)
• M15: 11,336,227 km (0.062 R)
• M16: 12,439,063 km (0.119 R)
• M17: 15,838,525 km (0.036 R)
• M18: 16,107,502 km (0.071 R)
• M19: 17,284,987 km (0.107 R)
• M20: 22,149,910 km (0.078 R)
• M21: 26,322,643 km (0.08 R)
• M22: 27,466,319 km (0.102 R)
• M23: 31,517,579 km (0.106 R)
• M24: 33,243,938 km (0.053 R)
• M25: 34,579,249 km (0.118 R)
• M26: 36,531,650 km (0.086 R)
• M27: 40,279,077 km (0.086 R)
• M28: 41,540,486 km (0.036 R)
• M29: 41,795,999 km (0.047 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 254.5

Radius: 4.4

Gravity: 13.15 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 8.12 AU - 11.74 AU

Year: 20527 Days

Day: 23.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 55,657,203 km

• M1: 55,052 km (0.069 R)
• M2: 231,278 km (0.063 R)
• M3: 599,588 km (0.111 R)
• M4: 955,182 km (0.103 R)
• M5: 1,482,216 km (0.082 R)
• M6: 2,016,729 km (0.102 R)
• M7: 2,605,845 km (0.072 R)
• M8: 3,327,655 km (0.094 R)
• M9: 7,046,808 km (0.035 R)
• M10: 7,387,143 km (0.102 R)
• M11: 8,100,575 km (0.064 R)
• M12: 9,105,274 km (0.102 R)
• M13: 12,428,741 km (0.103 R)
• M14: 16,332,647 km (0.082 R)
• M15: 16,554,201 km (0.083 R)
• M16: 23,605,946 km (0.097 R)
• M17: 26,440,975 km (0.105 R)
• M18: 27,887,437 km (0.1 R)
• M19: 37,049,259 km (0.103 R)
• M20: 37,559,986 km (0.073 R)
• M21: 40,184,980 km (0.037 R)
• M22: 46,829,369 km (0.065 R)
• M23: 49,094,730 km (0.116 R)
• M24: 49,248,217 km (0.115 R)
• M25: 52,227,309 km (0.095 R)
• M26: 54,497,756 km (0.095 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: 404 - 18,430 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit