🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.5

Radius: 13.5

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.47 AU - 0.55 AU

Year: 256 Days

Day: 7 Hours

Environment

Temp: -150 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 41,242,209 km

• M1: 167,849 km (0.047 R)
• M2: 767,287 km (0.08 R)
• M3: 1,213,688 km (0.048 R)
• M4: 1,710,951 km (0.066 R)
• M5: 2,741,979 km (0.105 R)
• M6: 3,331,545 km (0.05 R)
• M7: 3,813,848 km (0.109 R)
• M8: 4,291,514 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.6

Radius: 9.7

Gravity: 10.45 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.99 AU - 1.51 AU

Year: 982 Days

Day: 6.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,242,209 km

• M1: 120,576 km (0.099 R)
• M2: 470,037 km (0.073 R)
• M3: 833,410 km (0.094 R)
• M4: 1,138,141 km (0.048 R)
• M5: 1,527,693 km (0.11 R)
• M6: 1,985,164 km (0.074 R)
• M7: 2,556,927 km (0.096 R)
• M8: 2,902,049 km (0.112 R)
• M9: 4,112,595 km (0.092 R)
• M10: 5,261,058 km (0.095 R)
• M11: 5,673,798 km (0.116 R)
• M12: 6,019,370 km (0.064 R)
• M13: 7,963,992 km (0.087 R)
• M14: 8,481,152 km (0.113 R)
• M15: 9,583,090 km (0.079 R)
• M16: 9,919,087 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.4

Radius: 9.6

Gravity: 9.02 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.36 AU - 1.96 AU

Year: 1503 Days

Day: 5.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,242,209 km

• M1: 119,379 km (0.05 R)
• M2: 567,425 km (0.109 R)
• M3: 1,189,153 km (0.067 R)
• M4: 1,655,899 km (0.086 R)
• M5: 4,316,497 km (0.102 R)
• M6: 4,973,980 km (0.113 R)
• M7: 5,315,960 km (0.07 R)
• M8: 5,788,839 km (0.108 R)
• M9: 6,119,450 km (0.105 R)
• M10: 9,048,876 km (0.116 R)
• M11: 9,625,426 km (0.055 R)
• M12: 9,956,337 km (0.11 R)
• M13: 11,651,281 km (0.087 R)
• M14: 13,448,549 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.1

Radius: 13.6

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 3.35 AU - 3.95 AU

Year: 4902 Days

Day: 14.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 41,242,209 km

• M1: 170,242 km (0.058 R)
• M2: 764,296 km (0.118 R)
• M3: 1,263,504 km (0.118 R)
• M4: 1,784,254 km (0.119 R)
• M5: 2,215,096 km (0.112 R)
• M6: 2,768,907 km (0.03 R)
• M7: 3,497,000 km (0.093 R)
• M8: 3,929,637 km (0.108 R)
• M9: 5,707,159 km (0.118 R)
• M10: 6,342,052 km (0.098 R)
• M11: 7,540,181 km (0.094 R)
• M12: 8,923,663 km (0.062 R)
• M13: 9,738,821 km (0.092 R)
• M14: 10,558,618 km (0.117 R)
• M15: 12,484,541 km (0.086 R)
• M16: 15,480,088 km (0.096 R)
• M17: 16,477,009 km (0.102 R)
• M18: 18,147,867 km (0.071 R)
• M19: 23,303,608 km (0.101 R)
• M20: 25,245,538 km (0.102 R)
• M21: 27,630,876 km (0.115 R)
• M22: 28,487,324 km (0.092 R)
• M23: 29,185,049 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.5

Radius: 13.1

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 4.51 AU - 5.47 AU

Year: 7835 Days

Day: 6.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,242,209 km

• M1: 163,062 km (0.097 R)
• M2: 752,477 km (0.052 R)
• M3: 2,021,965 km (0.118 R)
• M4: 3,524,975 km (0.063 R)
• M5: 4,139,074 km (0.055 R)
• M6: 5,193,888 km (0.076 R)
• M7: 9,932,251 km (0.082 R)
• M8: 10,534,981 km (0.112 R)
• M9: 11,260,531 km (0.037 R)
• M10: 13,303,739 km (0.108 R)
• M11: 14,267,747 km (0.029 R)
• M12: 16,978,910 km (0.03 R)
• M13: 20,090,096 km (0.08 R)
• M14: 24,804,524 km (0.075 R)
• M15: 25,398,577 km (0.098 R)
• M16: 34,324,035 km (0.067 R)
• M17: 36,134,767 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.4

Radius: 13.5

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 4.26 AU - 5.88 AU

Year: 8025 Days

Day: 11 Hours

Environment

Temp: -226 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,242,209 km

• M1: 167,849 km (0.089 R)
• M2: 654,042 km (0.107 R)
• M3: 1,573,321 km (0.098 R)
• M4: 2,634,867 km (0.098 R)
• M5: 3,200,646 km (0.081 R)
• M6: 3,622,363 km (0.086 R)
• M7: 9,629,615 km (0.091 R)
• M8: 10,981,531 km (0.11 R)
• M9: 12,818,892 km (0.081 R)
• M10: 13,348,917 km (0.085 R)
• M11: 14,509,647 km (0.057 R)
• M12: 15,557,281 km (0.079 R)
• M13: 17,158,577 km (0.078 R)
• M14: 19,903,548 km (0.083 R)
• M15: 22,621,292 km (0.099 R)
• M16: 25,996,071 km (0.071 R)
• M17: 27,105,339 km (0.117 R)
• M18: 31,763,218 km (0.049 R)
• M19: 32,932,176 km (0.064 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 289.6

Radius: 7

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 7.88 AU - 8 AU

Year: 15727 Days

Day: 20.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 41,242,209 km

• M1: 88,113 km (0.061 R)
• M2: 338,540 km (0.11 R)
• M3: 597,195 km (0.093 R)
• M4: 1,164,619 km (0.042 R)
• M5: 2,751,853 km (0.1 R)
• M6: 6,491,351 km (0.113 R)
• M7: 7,074,334 km (0.101 R)
• M8: 7,734,210 km (0.117 R)
• M9: 10,162,931 km (0.12 R)
• M10: 10,894,764 km (0.079 R)
• M11: 14,563,054 km (0.112 R)
• M12: 14,890,523 km (0.109 R)
• M13: 18,441,079 km (0.108 R)
• M14: 18,901,841 km (0.09 R)
• M15: 22,344,836 km (0.085 R)
• M16: 23,940,297 km (0.046 R)
• M17: 24,213,463 km (0.047 R)
• M18: 27,655,261 km (0.042 R)
• M19: 30,334,708 km (0.068 R)
• M20: 35,845,744 km (0.102 R)
• M21: 42,120,627 km (0.079 R)
• M22: 42,518,856 km (0.117 R)
• M23: 43,864,340 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 127.4

Radius: 6

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 7.97 AU - 9.73 AU

Year: 18506 Days

Day: 23.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,242,209 km

• M1: 123,717 km (0.06 R)
• M2: 1,373,608 km (0.115 R)
• M3: 1,824,645 km (0.112 R)
• M4: 2,076,418 km (0.057 R)
• M5: 3,751,466 km (0.059 R)
• M6: 4,348,810 km (0.117 R)
• M7: 7,036,635 km (0.119 R)
• M8: 9,011,327 km (0.066 R)
• M9: 16,287,767 km (0.102 R)
• M10: 16,621,819 km (0.105 R)
• M11: 17,442,214 km (0.045 R)
• M12: 20,141,558 km (0.092 R)
• M13: 20,448,982 km (0.119 R)
• M14: 31,199,683 km (0.081 R)
• M15: 34,267,786 km (0.102 R)
• M16: 40,019,525 km (0.088 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 168 - 19,522 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit