🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.9

Radius: 8.5

Gravity: 8.59 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.75 AU - 1.23 AU

Year: 668 Days

Day: 6.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,807,787 km

• M1: 105,766 km (0.096 R)
• M2: 552,465 km (0.092 R)
• M3: 819,946 km (0.038 R)
• M4: 1,104,930 km (0.095 R)
• M5: 1,840,652 km (0.032 R)
• M6: 2,241,724 km (0.039 R)
• M7: 2,952,314 km (0.115 R)
• M8: 3,220,244 km (0.077 R)
• M9: 3,625,355 km (0.094 R)
• M10: 4,005,782 km (0.088 R)
• M11: 4,554,208 km (0.066 R)
• M12: 5,670,208 km (0.086 R)
• M13: 5,970,900 km (0.082 R)
• M14: 6,361,799 km (0.102 R)
• M15: 6,769,752 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.3

Radius: 13.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.82 AU - 1.32 AU

Year: 751 Days

Day: 6.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,807,787 km

• M1: 170,392 km (0.079 R)
• M2: 1,034,469 km (0.117 R)
• M3: 1,483,263 km (0.115 R)
• M4: 2,032,586 km (0.039 R)
• M5: 2,510,851 km (0.063 R)
• M6: 3,395,273 km (0.119 R)
• M7: 3,891,340 km (0.084 R)
• M8: 4,336,842 km (0.104 R)
• M9: 5,015,269 km (0.064 R)
• M10: 5,578,056 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.2

Radius: 8.2

Gravity: 14.43 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.58 AU - 2.24 AU

Year: 1790 Days

Day: 11.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,807,787 km

• M1: 105,466 km (0.087 R)
• M2: 370,704 km (0.091 R)
• M3: 643,420 km (0.074 R)
• M4: 1,005,597 km (0.101 R)
• M5: 1,501,065 km (0.078 R)
• M6: 1,855,462 km (0.113 R)
• M7: 2,151,068 km (0.097 R)
• M8: 2,734,051 km (0.099 R)
• M9: 3,007,815 km (0.113 R)
• M10: 3,628,496 km (0.069 R)
• M11: 4,133,389 km (0.052 R)
• M12: 5,637,446 km (0.054 R)
• M13: 6,989,811 km (0.118 R)
• M14: 7,504,727 km (0.074 R)
• M15: 7,801,679 km (0.083 R)
• M16: 8,610,405 km (0.113 R)
• M17: 9,371,409 km (0.097 R)
• M18: 11,217,896 km (0.1 R)
• M19: 12,826,521 km (0.11 R)
• M20: 13,995,778 km (0.085 R)
• M21: 14,767,554 km (0.094 R)
• M22: 16,050,954 km (0.057 R)
• M23: 16,845,917 km (0.12 R)

Asteroid Belt

Center: 2.42 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.9

Radius: 9

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.64 AU - 3.2 AU

Year: 3384 Days

Day: 7.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,807,787 km

• M1: 111,899 km (0.061 R)
• M2: 820,245 km (0.09 R)
• M3: 1,419,534 km (0.113 R)
• M4: 1,717,683 km (0.115 R)
• M5: 2,032,437 km (0.118 R)
• M6: 3,508,668 km (0.115 R)
• M7: 5,442,371 km (0.054 R)
• M8: 6,101,349 km (0.113 R)
• M9: 6,871,778 km (0.114 R)
• M10: 7,673,473 km (0.108 R)
• M11: 9,170,349 km (0.113 R)
• M12: 10,692,059 km (0.099 R)
• M13: 11,015,490 km (0.104 R)
• M14: 11,639,612 km (0.102 R)
• M15: 11,982,041 km (0.07 R)
• M16: 13,326,178 km (0.043 R)
• M17: 13,986,803 km (0.101 R)
• M18: 14,619,602 km (0.102 R)
• M19: 16,849,358 km (0.086 R)
• M20: 17,343,180 km (0.085 R)
• M21: 17,846,577 km (0.041 R)
• M22: 19,236,940 km (0.054 R)
• M23: 19,837,126 km (0.09 R)
• M24: 20,141,857 km (0.102 R)
• M25: 20,823,126 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.9

Radius: 11.1

Gravity: 8.12 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 3.31 AU - 4.45 AU

Year: 5184 Days

Day: 13.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,807,787 km

• M1: 144,212 km (0.073 R)
• M2: 525,687 km (0.077 R)
• M3: 1,100,592 km (0.063 R)
• M4: 1,851,573 km (0.054 R)
• M5: 2,858,965 km (0.073 R)
• M6: 3,697,461 km (0.099 R)
• M7: 4,249,776 km (0.088 R)
• M8: 5,253,279 km (0.072 R)
• M9: 6,112,719 km (0.087 R)
• M10: 7,389,088 km (0.032 R)
• M11: 13,566,881 km (0.083 R)
• M12: 14,531,189 km (0.065 R)
• M13: 19,620,060 km (0.095 R)
• M14: 21,905,616 km (0.098 R)
• M15: 23,390,973 km (0.116 R)
• M16: 24,036,189 km (0.049 R)
• M17: 27,978,392 km (0.029 R)
• M18: 31,544,357 km (0.059 R)
• M19: 34,151,997 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 270.2

Radius: 6.1

Gravity: 7.26 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 5.82 AU - 9.54 AU

Year: 14436 Days

Day: 15.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 67,807,787 km

• M1: 75,846 km (0.076 R)
• M2: 1,059,901 km (0.1 R)
• M3: 1,463,666 km (0.06 R)
• M4: 1,806,693 km (0.082 R)
• M5: 2,202,230 km (0.102 R)
• M6: 2,574,579 km (0.034 R)
• M7: 2,923,142 km (0.116 R)
• M8: 3,714,814 km (0.102 R)
• M9: 4,025,828 km (0.086 R)
• M10: 5,285,143 km (0.094 R)
• M11: 5,712,694 km (0.086 R)
• M12: 6,021,913 km (0.102 R)
• M13: 6,863,251 km (0.115 R)
• M14: 9,142,225 km (0.08 R)
• M15: 9,375,897 km (0.117 R)
• M16: 9,661,479 km (0.079 R)
• M17: 10,810,690 km (0.068 R)
• M18: 11,607,448 km (0.025 R)
• M19: 13,198,571 km (0.116 R)
• M20: 16,323,372 km (0.086 R)
• M21: 16,946,447 km (0.108 R)
• M22: 17,441,915 km (0.116 R)
• M23: 18,313,771 km (0.074 R)
• M24: 24,790,910 km (0.046 R)
• M25: 25,613,699 km (0.084 R)
• M26: 27,506,860 km (0.074 R)
• M27: 32,319,423 km (0.08 R)
• M28: 33,854,597 km (0.093 R)
• M29: 34,527,189 km (0.116 R)
• M30: 39,486,657 km (0.114 R)
• M31: 41,367,102 km (0.048 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 588

Radius: 5

Gravity: 23.52 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 7.68 AU - 10.22 AU

Year: 18160 Days

Day: 19.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 67,807,787 km

• M1: 83,476 km (0.11 R)
• M2: 295,456 km (0.114 R)
• M3: 689,646 km (0.072 R)
• M4: 875,746 km (0.077 R)
• M5: 1,034,320 km (0.105 R)
• M6: 1,294,620 km (0.109 R)
• M7: 1,873,115 km (0.075 R)
• M8: 2,282,116 km (0.069 R)
• M9: 5,081,391 km (0.053 R)
• M10: 6,072,327 km (0.052 R)
• M11: 6,401,592 km (0.087 R)
• M12: 7,935,120 km (0.106 R)
• M13: 8,581,233 km (0.082 R)
• M14: 9,809,282 km (0.056 R)
• M15: 10,205,118 km (0.116 R)
• M16: 11,395,019 km (0.115 R)
• M17: 12,874,243 km (0.08 R)
• M18: 13,905,122 km (0.097 R)
• M19: 15,667,086 km (0.063 R)
• M20: 18,072,171 km (0.045 R)
• M21: 18,240,768 km (0.069 R)
• M22: 18,410,412 km (0.062 R)
• M23: 20,620,570 km (0.091 R)
• M24: 20,897,177 km (0.098 R)
• M25: 21,741,657 km (0.077 R)
• M26: 23,199,488 km (0.063 R)
• M27: 25,985,449 km (0.033 R)
• M28: 27,849,588 km (0.092 R)
• M29: 28,414,320 km (0.049 R)
• M30: 30,391,705 km (0.032 R)
• M31: 38,102,428 km (0.11 R)
• M32: 43,152,254 km (0.113 R)
• M33: 47,820,755 km (0.111 R)
• M34: 49,120,162 km (0.119 R)
• M35: 53,679,606 km (0.104 R)
• M36: 64,411,158 km (0.11 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 434 - 12,136 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit