🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.2

Radius: 9.4

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.1 AU - 1.56 AU

Year: 990 Days

Day: 5.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,003,747 km

• M1: 117,135 km (0.104 R)
• M2: 569,968 km (0.105 R)
• M3: 944,262 km (0.08 R)
• M4: 1,259,464 km (0.077 R)
• M5: 1,715,140 km (0.119 R)
• M6: 2,510,851 km (0.067 R)
• M7: 2,960,243 km (0.068 R)
• M8: 3,307,459 km (0.112 R)
• M9: 3,607,702 km (0.074 R)
• M10: 4,132,791 km (0.115 R)
• M11: 4,602,827 km (0.114 R)
• M12: 6,039,416 km (0.069 R)
• M13: 6,402,789 km (0.059 R)
• M14: 6,917,555 km (0.075 R)
• M15: 7,729,124 km (0.089 R)
• M16: 8,339,184 km (0.088 R)
• M17: 8,926,206 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.4

Radius: 13.6

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.63 AU - 2.15 AU

Year: 1678 Days

Day: 14.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,003,747 km

• M1: 169,195 km (0.118 R)
• M2: 763,248 km (0.104 R)
• M3: 1,414,298 km (0.098 R)
• M4: 2,243,220 km (0.042 R)
• M5: 3,120,462 km (0.093 R)
• M6: 3,713,318 km (0.1 R)
• M7: 4,161,663 km (0.098 R)
• M8: 7,473,461 km (0.065 R)
• M9: 7,911,035 km (0.113 R)
• M10: 8,658,874 km (0.096 R)
• M11: 10,097,108 km (0.091 R)
• M12: 10,565,050 km (0.087 R)
• M13: 11,294,041 km (0.045 R)
• M14: 12,393,585 km (0.076 R)
• M15: 13,047,627 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.9

Radius: 10.8

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.85 AU - 2.99 AU

Year: 2431 Days

Day: 5.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,003,747 km

• M1: 136,284 km (0.105 R)
• M2: 606,619 km (0.081 R)
• M3: 1,166,564 km (0.085 R)
• M4: 1,817,764 km (0.096 R)
• M5: 2,504,268 km (0.094 R)
• M6: 3,523,628 km (0.075 R)
• M7: 5,416,341 km (0.103 R)
• M8: 6,700,788 km (0.115 R)
• M9: 9,222,110 km (0.085 R)
• M10: 12,438,614 km (0.108 R)
• M11: 15,387,338 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.2

Radius: 13.7

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.88 AU - 3.42 AU

Year: 3610 Days

Day: 8.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,003,747 km

• M1: 170,542 km (0.052 R)
• M2: 614,548 km (0.083 R)
• M3: 1,051,823 km (0.11 R)
• M4: 1,698,085 km (0.116 R)
• M5: 2,288,099 km (0.083 R)
• M6: 2,961,439 km (0.051 R)
• M7: 3,624,457 km (0.109 R)
• M8: 4,055,748 km (0.086 R)
• M9: 5,023,048 km (0.064 R)
• M10: 5,588,378 km (0.069 R)
• M11: 7,708,928 km (0.089 R)
• M12: 8,932,040 km (0.076 R)
• M13: 12,575,945 km (0.078 R)
• M14: 13,524,994 km (0.097 R)
• M15: 14,777,726 km (0.094 R)
• M16: 16,326,364 km (0.107 R)
• M17: 16,997,908 km (0.112 R)
• M18: 19,308,448 km (0.082 R)
• M19: 20,250,465 km (0.119 R)
• M20: 21,288,974 km (0.108 R)
• M21: 23,471,906 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.3

Radius: 12.8

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.91 AU - 4.83 AU

Year: 4916 Days

Day: 10.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,003,747 km

• M1: 164,109 km (0.116 R)
• M2: 858,692 km (0.079 R)
• M3: 1,406,968 km (0.092 R)
• M4: 2,372,622 km (0.112 R)
• M5: 3,439,255 km (0.107 R)
• M6: 4,672,989 km (0.063 R)
• M7: 5,607,975 km (0.119 R)
• M8: 6,796,381 km (0.107 R)
• M9: 7,738,249 km (0.095 R)
• M10: 10,812,635 km (0.099 R)
• M11: 13,798,309 km (0.105 R)
• M12: 16,190,080 km (0.057 R)
• M13: 22,522,109 km (0.063 R)
• M14: 27,670,819 km (0.081 R)
• M15: 28,452,617 km (0.099 R)
• M16: 29,159,916 km (0.114 R)
• M17: 30,517,666 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 345.9

Radius: 7.9

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 8.02 AU - 8.22 AU

Year: 14940 Days

Day: 17 Hours

Environment

Temp: -233 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 54,003,747 km

• M1: 98,286 km (0.03 R)
• M2: 413,489 km (0.073 R)
• M3: 704,008 km (0.081 R)
• M4: 1,067,381 km (0.098 R)
• M5: 1,402,480 km (0.11 R)
• M6: 1,953,150 km (0.118 R)
• M7: 2,681,841 km (0.071 R)
• M8: 3,839,579 km (0.108 R)
• M9: 6,663,538 km (0.113 R)
• M10: 7,138,810 km (0.089 R)
• M11: 7,552,149 km (0.114 R)
• M12: 8,563,281 km (0.114 R)
• M13: 10,375,061 km (0.103 R)
• M14: 10,638,054 km (0.073 R)
• M15: 13,333,359 km (0.049 R)
• M16: 16,030,010 km (0.096 R)
• M17: 17,028,426 km (0.086 R)
• M18: 19,227,515 km (0.106 R)
• M19: 20,190,626 km (0.041 R)
• M20: 25,683,710 km (0.1 R)
• M21: 29,186,395 km (0.11 R)
• M22: 31,764,116 km (0.088 R)
• M23: 34,841,344 km (0.057 R)
• M24: 35,789,795 km (0.075 R)
• M25: 36,755,449 km (0.078 R)
• M26: 37,862,473 km (0.043 R)
• M27: 38,361,681 km (0.116 R)
• M28: 39,628,476 km (0.113 R)
• M29: 40,531,748 km (0.054 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 399.3

Radius: 7.8

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 8.1 AU - 8.66 AU

Year: 15663 Days

Day: 16.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 54,003,747 km

• M1: 96,939 km (0.068 R)
• M2: 427,401 km (0.108 R)
• M3: 702,811 km (0.106 R)
• M4: 1,255,126 km (0.047 R)
• M5: 1,626,428 km (0.089 R)
• M6: 1,947,465 km (0.105 R)
• M7: 2,827,549 km (0.075 R)
• M8: 5,412,750 km (0.03 R)
• M9: 6,916,508 km (0.101 R)
• M10: 8,259,598 km (0.118 R)
• M11: 9,871,515 km (0.039 R)
• M12: 12,272,710 km (0.119 R)
• M13: 14,294,675 km (0.111 R)
• M14: 18,986,064 km (0.062 R)
• M15: 19,801,373 km (0.112 R)
• M16: 22,029,932 km (0.05 R)
• M17: 23,667,430 km (0.08 R)
• M18: 24,611,393 km (0.118 R)
• M19: 24,899,518 km (0.073 R)
• M20: 25,580,338 km (0.049 R)
• M21: 26,473,737 km (0.071 R)
• M22: 27,697,298 km (0.114 R)
• M23: 28,008,910 km (0.073 R)
• M24: 29,278,996 km (0.112 R)
• M25: 30,920,234 km (0.074 R)
• M26: 31,255,633 km (0.057 R)
• M27: 38,485,249 km (0.106 R)
• M28: 39,789,294 km (0.068 R)
• M29: 40,319,169 km (0.107 R)
• M30: 48,238,731 km (0.096 R)
• M31: 49,601,119 km (0.036 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 162 - 17,338 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit