🌌 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: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.5

Radius: 14.4

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.46 AU - 0.58 AU

Year: 250 Days

Day: 13.2 Hours

Environment

Temp: -138 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 76,348,105 km

• M1: 179,069 km (0.089 R)
• M2: 771,626 km (0.1 R)
• M3: 1,220,419 km (0.1 R)
• M4: 1,912,609 km (0.047 R)
• M5: 2,913,419 km (0.097 R)
• M6: 3,596,632 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.1

Radius: 12.4

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.13 AU - 1.69 AU

Year: 1116 Days

Day: 5.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,348,105 km

• M1: 154,235 km (0.057 R)
• M2: 679,474 km (0.033 R)
• M3: 1,204,263 km (0.094 R)
• M4: 1,628,522 km (0.11 R)
• M5: 2,153,761 km (0.032 R)
• M6: 3,297,885 km (0.091 R)
• M7: 4,534,461 km (0.064 R)
• M8: 5,080,643 km (0.106 R)
• M9: 6,396,805 km (0.079 R)
• M10: 7,184,139 km (0.099 R)
• M11: 8,471,279 km (0.108 R)
• M12: 8,894,641 km (0.071 R)
• M13: 9,332,065 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.4

Radius: 12.5

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.22 AU - 1.8 AU

Year: 1237 Days

Day: 10.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,348,105 km

• M1: 155,582 km (0.059 R)
• M2: 571,613 km (0.083 R)
• M3: 1,124,976 km (0.118 R)
• M4: 1,544,000 km (0.088 R)
• M5: 2,453,555 km (0.051 R)
• M6: 3,216,953 km (0.101 R)
• M7: 3,723,042 km (0.079 R)
• M8: 4,332,504 km (0.116 R)
• M9: 4,933,439 km (0.07 R)
• M10: 7,147,188 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.7

Radius: 12.3

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.15 AU - 2.65 AU

Year: 2479 Days

Day: 13.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 76,348,105 km

• M1: 525,089 km (0.045 R)
• M2: 1,078,451 km (0.035 R)
• M3: 1,691,054 km (0.109 R)
• M4: 4,671,194 km (0.106 R)
• M5: 5,708,954 km (0.095 R)
• M6: 6,935,956 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 233.4

Radius: 6.3

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 7.1 AU - 8.52 AU

Year: 14555 Days

Day: 18.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,348,105 km

• M1: 78,389 km (0.109 R)
• M2: 411,544 km (0.087 R)
• M3: 717,322 km (0.09 R)
• M4: 1,471,594 km (0.03 R)
• M5: 2,743,625 km (0.118 R)
• M6: 4,505,888 km (0.11 R)
• M7: 5,974,939 km (0.115 R)
• M8: 6,468,014 km (0.104 R)
• M9: 7,258,040 km (0.081 R)
• M10: 9,964,565 km (0.115 R)
• M11: 11,595,032 km (0.11 R)
• M12: 12,699,962 km (0.109 R)
• M13: 13,219,365 km (0.104 R)
• M14: 14,239,025 km (0.103 R)
• M15: 21,481,057 km (0.113 R)
• M16: 26,622,437 km (0.089 R)
• M17: 28,830,651 km (0.03 R)
• M18: 31,996,142 km (0.114 R)
• M19: 41,345,112 km (0.102 R)
• M20: 42,868,616 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 767.5

Radius: 7.6

Gravity: 13.29 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 7.32 AU - 9.64 AU

Year: 16467 Days

Day: 15.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 76,348,105 km

• M1: 95,892 km (0.118 R)
• M2: 368,011 km (0.081 R)
• M3: 608,564 km (0.025 R)
• M4: 863,329 km (0.074 R)
• M5: 1,101,639 km (0.068 R)
• M6: 1,584,092 km (0.067 R)
• M7: 2,220,481 km (0.11 R)
• M8: 2,654,614 km (0.11 R)
• M9: 4,978,468 km (0.098 R)
• M10: 5,304,740 km (0.087 R)
• M11: 7,955,166 km (0.1 R)
• M12: 8,401,865 km (0.056 R)
• M13: 8,812,811 km (0.075 R)
• M14: 9,076,552 km (0.036 R)
• M15: 12,140,017 km (0.096 R)
• M16: 14,189,059 km (0.116 R)
• M17: 15,219,938 km (0.104 R)
• M18: 15,831,045 km (0.086 R)
• M19: 18,525,752 km (0.104 R)
• M20: 21,702,313 km (0.117 R)
• M21: 27,848,242 km (0.057 R)
• M22: 30,288,931 km (0.109 R)
• M23: 31,745,865 km (0.118 R)
• M24: 32,995,157 km (0.064 R)
• M25: 33,248,875 km (0.063 R)
• M26: 33,760,200 km (0.094 R)
• M27: 36,802,871 km (0.098 R)
• M28: 37,902,715 km (0.101 R)
• M29: 41,186,538 km (0.104 R)
• M30: 46,540,047 km (0.119 R)
• M31: 50,973,679 km (0.074 R)
• M32: 56,220,974 km (0.092 R)
• M33: 57,678,805 km (0.109 R)
• M34: 61,050,592 km (0.109 R)
• M35: 63,565,930 km (0.037 R)
• M36: 64,155,944 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 789.4

Radius: 7.4

Gravity: 14.42 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 8.46 AU - 9.82 AU

Year: 18427 Days

Day: 24.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 76,348,105 km

• M1: 102,026 km (0.084 R)
• M2: 356,941 km (0.108 R)
• M3: 634,445 km (0.096 R)
• M4: 884,423 km (0.082 R)
• M5: 1,856,809 km (0.07 R)
• M6: 2,149,422 km (0.059 R)
• M7: 3,057,182 km (0.062 R)
• M8: 3,495,803 km (0.097 R)
• M9: 4,706,199 km (0.089 R)
• M10: 5,140,781 km (0.097 R)
• M11: 6,562,260 km (0.061 R)
• M12: 6,966,623 km (0.074 R)
• M13: 7,628,295 km (0.097 R)
• M14: 8,331,255 km (0.084 R)
• M15: 9,131,604 km (0.117 R)
• M16: 12,575,197 km (0.1 R)
• M17: 13,916,492 km (0.119 R)
• M18: 18,866,087 km (0.056 R)
• M19: 19,775,791 km (0.112 R)
• M20: 22,277,517 km (0.055 R)
• M21: 26,526,694 km (0.12 R)
• M22: 28,959,904 km (0.092 R)
• M23: 30,538,610 km (0.097 R)
• M24: 37,855,143 km (0.044 R)
• M25: 41,384,007 km (0.088 R)
• M26: 42,145,759 km (0.073 R)
• M27: 50,978,766 km (0.091 R)
• M28: 51,854,063 km (0.093 R)
• M29: 53,634,726 km (0.116 R)
• M30: 55,088,219 km (0.041 R)
• M31: 56,941,886 km (0.119 R)
• M32: 57,884,203 km (0.119 R)
• M33: 64,365,381 km (0.119 R)
• M34: 67,255,164 km (0.083 R)
• M35: 70,879,022 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 486

Radius: 3.5

Gravity: 39.67 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 9.04 AU - 12.68 AU

Year: 23866 Days

Day: 22.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,348,105 km

• M1: 43,683 km (0.09 R)
• M2: 159,621 km (0.111 R)
• M3: 276,158 km (0.098 R)
• M4: 459,565 km (0.106 R)
• M5: 1,193,342 km (0.115 R)
• M6: 2,736,145 km (0.09 R)
• M7: 3,016,192 km (0.08 R)
• M8: 7,965,638 km (0.061 R)
• M9: 12,192,675 km (0.111 R)
• M10: 14,625,585 km (0.08 R)
• M11: 15,008,556 km (0.052 R)
• M12: 16,361,070 km (0.099 R)
• M13: 16,607,907 km (0.066 R)
• M14: 26,553,921 km (0.026 R)
• M15: 32,622,359 km (0.087 R)
• M16: 33,407,299 km (0.066 R)
• M17: 35,287,894 km (0.091 R)
• M18: 48,916,858 km (0.102 R)
• M19: 51,689,206 km (0.09 R)
• M20: 60,434,997 km (0.119 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 481 - 18,465 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit