🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.8

Radius: 8.5

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.57 AU - 0.83 AU

Year: 378 Days

Day: 11.4 Hours

Environment

Temp: -131 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,515,839 km

• M1: 105,766 km (0.038 R)
• M2: 406,757 km (0.09 R)
• M3: 739,313 km (0.098 R)
• M4: 1,156,392 km (0.062 R)
• M5: 1,814,173 km (0.111 R)
• M6: 2,329,538 km (0.117 R)
• M7: 2,606,593 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.5

Radius: 10.1

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.67 AU - 0.73 AU

Year: 378 Days

Day: 5.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,515,839 km

• M1: 125,662 km (0.118 R)
• M2: 466,297 km (0.075 R)
• M3: 839,842 km (0.084 R)
• M4: 1,258,118 km (0.09 R)
• M5: 1,738,178 km (0.097 R)
• M6: 2,246,362 km (0.079 R)
• M7: 2,860,162 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.2

Radius: 12.2

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.82 AU - 1.06 AU

Year: 588 Days

Day: 13.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,515,839 km

• M1: 151,842 km (0.115 R)
• M2: 610,060 km (0.109 R)
• M3: 1,049,579 km (0.105 R)
• M4: 1,481,019 km (0.112 R)
• M5: 1,888,823 km (0.07 R)
• M6: 2,561,714 km (0.106 R)
• M7: 3,927,842 km (0.119 R)
• M8: 4,866,718 km (0.106 R)
• M9: 5,519,413 km (0.07 R)
• M10: 6,305,999 km (0.077 R)
• M11: 6,776,784 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.3

Radius: 11.9

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2 AU - 2.86 AU

Year: 2446 Days

Day: 8.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,515,839 km

• M1: 148,999 km (0.098 R)
• M2: 557,850 km (0.085 R)
• M3: 1,005,298 km (0.085 R)
• M4: 1,503,159 km (0.089 R)
• M5: 1,920,537 km (0.112 R)
• M6: 2,495,143 km (0.119 R)
• M7: 3,360,267 km (0.102 R)
• M8: 4,047,819 km (0.098 R)
• M9: 5,679,782 km (0.109 R)
• M10: 6,951,963 km (0.109 R)
• M11: 7,684,394 km (0.086 R)
• M12: 8,251,519 km (0.085 R)
• M13: 8,943,110 km (0.071 R)
• M14: 9,604,931 km (0.102 R)
• M15: 11,101,209 km (0.087 R)
• M16: 12,953,829 km (0.078 R)
• M17: 14,106,930 km (0.114 R)
• M18: 14,912,963 km (0.088 R)
• M19: 15,607,845 km (0.108 R)
• M20: 16,275,800 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.5

Radius: 8.9

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.89 AU - 2.99 AU

Year: 2461 Days

Day: 6.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 65,515,839 km

• M1: 116,686 km (0.055 R)
• M2: 794,065 km (0.114 R)
• M3: 1,344,735 km (0.102 R)
• M4: 1,716,486 km (0.118 R)
• M5: 2,072,230 km (0.079 R)
• M6: 2,410,321 km (0.102 R)
• M7: 2,948,873 km (0.056 R)
• M8: 3,548,312 km (0.063 R)
• M9: 4,073,101 km (0.112 R)
• M10: 4,525,336 km (0.079 R)
• M11: 4,816,752 km (0.109 R)
• M12: 5,577,308 km (0.07 R)
• M13: 5,986,608 km (0.097 R)
• M14: 6,338,462 km (0.111 R)
• M15: 7,364,105 km (0.115 R)
• M16: 7,768,468 km (0.089 R)
• M17: 9,039,003 km (0.09 R)
• M18: 9,469,246 km (0.036 R)
• M19: 9,775,174 km (0.067 R)
• M20: 10,442,679 km (0.106 R)
• M21: 11,673,870 km (0.057 R)
• M22: 12,384,759 km (0.114 R)
• M23: 12,750,975 km (0.088 R)
• M24: 13,676,537 km (0.075 R)
• M25: 13,980,220 km (0.114 R)
• M26: 14,646,230 km (0.111 R)
• M27: 15,520,031 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900

Radius: 11.5

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.7 AU - 3.8 AU

Year: 3783 Days

Day: 6.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 56.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,515,839 km

• M1: 143,165 km (0.042 R)
• M2: 520,601 km (0.113 R)
• M3: 1,124,677 km (0.051 R)
• M4: 1,572,124 km (0.025 R)
• M5: 2,039,617 km (0.107 R)
• M6: 2,438,445 km (0.107 R)
• M7: 3,436,263 km (0.111 R)
• M8: 4,028,521 km (0.118 R)
• M9: 6,073,225 km (0.11 R)
• M10: 7,645,050 km (0.109 R)
• M11: 9,156,138 km (0.09 R)
• M12: 10,553,232 km (0.102 R)
• M13: 12,182,203 km (0.032 R)
• M14: 12,809,766 km (0.092 R)
• M15: 13,408,158 km (0.096 R)
• M16: 14,182,177 km (0.102 R)
• M17: 15,989,768 km (0.106 R)
• M18: 17,217,219 km (0.101 R)
• M19: 19,014,189 km (0.098 R)
• M20: 22,616,056 km (0.106 R)
• M21: 23,269,949 km (0.045 R)
• M22: 24,767,872 km (0.097 R)
• M23: 25,384,814 km (0.042 R)
• M24: 26,971,898 km (0.032 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 454.2

Radius: 5.1

Gravity: 17.46 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 7.01 AU - 7.83 AU

Year: 13050 Days

Day: 24.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 65,515,839 km

• M1: 63,429 km (0.11 R)
• M2: 518,506 km (0.088 R)
• M3: 1,343,239 km (0.042 R)
• M4: 1,548,488 km (0.106 R)
• M5: 3,600,821 km (0.044 R)
• M6: 4,852,805 km (0.112 R)
• M7: 5,206,155 km (0.105 R)
• M8: 5,508,044 km (0.029 R)
• M9: 6,000,520 km (0.104 R)
• M10: 8,724,697 km (0.097 R)
• M11: 10,831,484 km (0.099 R)
• M12: 11,378,863 km (0.073 R)
• M13: 14,723,871 km (0.112 R)
• M14: 15,395,117 km (0.074 R)
• M15: 18,825,994 km (0.06 R)
• M16: 19,218,539 km (0.115 R)
• M17: 22,469,600 km (0.114 R)
• M18: 23,089,534 km (0.098 R)
• M19: 23,268,602 km (0.051 R)
• M20: 28,362,410 km (0.116 R)
• M21: 33,689,740 km (0.108 R)
• M22: 35,564,051 km (0.081 R)
• M23: 37,754,314 km (0.061 R)
• M24: 38,003,095 km (0.068 R)
• M25: 39,518,821 km (0.115 R)
• M26: 44,307,149 km (0.056 R)
• M27: 45,561,827 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 587.2

Radius: 5.9

Gravity: 16.87 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 7.86 AU - 10.02 AU

Year: 17259 Days

Day: 24.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 65,515,839 km

• M1: 77,492 km (0.051 R)
• M2: 400,623 km (0.115 R)
• M3: 670,797 km (0.098 R)
• M4: 922,720 km (0.11 R)
• M5: 1,236,875 km (0.084 R)
• M6: 2,080,158 km (0.096 R)
• M7: 2,361,552 km (0.113 R)
• M8: 2,831,439 km (0.093 R)
• M9: 3,229,519 km (0.099 R)
• M10: 3,496,850 km (0.038 R)
• M11: 3,750,119 km (0.116 R)
• M12: 4,887,362 km (0.074 R)
• M13: 5,918,391 km (0.113 R)
• M14: 6,116,758 km (0.073 R)
• M15: 6,319,463 km (0.099 R)
• M16: 8,805,480 km (0.075 R)
• M17: 9,816,313 km (0.1 R)
• M18: 10,378,203 km (0.073 R)
• M19: 11,689,727 km (0.071 R)
• M20: 12,320,881 km (0.067 R)
• M21: 12,644,910 km (0.057 R)
• M22: 12,841,930 km (0.056 R)
• M23: 13,582,290 km (0.062 R)
• M24: 15,000,777 km (0.068 R)
• M25: 17,228,738 km (0.064 R)
• M26: 17,962,665 km (0.094 R)
• M27: 18,973,498 km (0.05 R)
• M28: 20,021,581 km (0.064 R)
• M29: 21,478,514 km (0.105 R)
• M30: 24,094,831 km (0.094 R)
• M31: 24,601,519 km (0.096 R)
• M32: 26,484,807 km (0.079 R)
• M33: 29,371,747 km (0.114 R)
• M34: 48,259,525 km (0.098 R)
• M35: 54,255,557 km (0.077 R)
• M36: 64,928,617 km (0.117 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 342 - 11,436 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit