🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.4

Radius: 8.6

Gravity: 8.98 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.06 AU - 1.36 AU

Year: 903 Days

Day: 6.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,895,381 km

• M1: 124,914 km (0.096 R)
• M2: 440,117 km (0.054 R)
• M3: 724,951 km (0.082 R)
• M4: 1,099,694 km (0.116 R)
• M5: 1,411,606 km (0.062 R)
• M6: 1,827,936 km (0.112 R)
• M7: 2,281,667 km (0.104 R)
• M8: 2,570,391 km (0.12 R)
• M9: 3,036,538 km (0.112 R)
• M10: 3,675,171 km (0.08 R)
• M11: 4,553,011 km (0.083 R)
• M12: 5,485,904 km (0.059 R)
• M13: 6,154,157 km (0.118 R)
• M14: 6,475,344 km (0.099 R)
• M15: 7,105,001 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.5

Radius: 9.9

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.86 AU - 2.88 AU

Year: 3298 Days

Day: 5 Hours

Environment

Temp: -215 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,895,381 km

• M1: 123,269 km (0.092 R)
• M2: 509,530 km (0.034 R)
• M3: 824,284 km (0.036 R)
• M4: 2,049,491 km (0.085 R)
• M5: 2,619,160 km (0.106 R)
• M6: 3,006,768 km (0.072 R)
• M7: 3,496,701 km (0.087 R)
• M8: 4,293,608 km (0.09 R)
• M9: 4,735,371 km (0.119 R)
• M10: 6,737,439 km (0.108 R)
• M11: 7,469,721 km (0.089 R)
• M12: 8,283,234 km (0.099 R)
• M13: 9,405,517 km (0.04 R)
• M14: 10,252,840 km (0.087 R)
• M15: 11,328,598 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.9

Radius: 11.7

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 3.69 AU - 4.21 AU

Year: 5325 Days

Day: 14.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 170 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,895,381 km

• M1: 164,109 km (0.063 R)
• M2: 1,015,620 km (0.099 R)
• M3: 1,463,815 km (0.059 R)
• M4: 2,649,977 km (0.09 R)
• M5: 3,111,486 km (0.071 R)
• M6: 4,418,074 km (0.109 R)
• M7: 5,181,322 km (0.099 R)
• M8: 6,472,352 km (0.073 R)
• M9: 7,350,791 km (0.084 R)
• M10: 8,307,170 km (0.099 R)
• M11: 10,920,794 km (0.038 R)
• M12: 12,016,599 km (0.102 R)
• M13: 12,414,379 km (0.076 R)
• M14: 13,985,606 km (0.082 R)
• M15: 17,646,266 km (0.039 R)
• M16: 18,031,331 km (0.039 R)
• M17: 18,685,522 km (0.117 R)
• M18: 19,696,654 km (0.089 R)
• M19: 24,902,510 km (0.086 R)
• M20: 27,049,389 km (0.102 R)
• M21: 28,960,053 km (0.106 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 716.8

Radius: 5.3

Gravity: 25.52 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 5.76 AU - 8.16 AU

Year: 12454 Days

Day: 18.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 65,895,381 km

• M1: 67,169 km (0.069 R)
• M2: 271,371 km (0.105 R)
• M3: 496,067 km (0.074 R)
• M4: 724,054 km (0.085 R)
• M5: 1,009,935 km (0.055 R)
• M6: 1,235,978 km (0.086 R)
• M7: 1,824,496 km (0.078 R)
• M8: 2,069,537 km (0.096 R)
• M9: 2,257,881 km (0.112 R)
• M10: 2,604,499 km (0.11 R)
• M11: 3,943,699 km (0.103 R)
• M12: 5,650,312 km (0.059 R)
• M13: 7,183,690 km (0.074 R)
• M14: 9,224,055 km (0.104 R)
• M15: 10,485,614 km (0.079 R)
• M16: 12,219,004 km (0.057 R)
• M17: 14,001,014 km (0.119 R)
• M18: 15,660,503 km (0.036 R)
• M19: 19,781,027 km (0.113 R)
• M20: 20,545,772 km (0.113 R)
• M21: 23,237,187 km (0.113 R)
• M22: 24,088,249 km (0.074 R)
• M23: 24,280,183 km (0.077 R)
• M24: 28,123,502 km (0.085 R)
• M25: 30,300,450 km (0.112 R)
• M26: 32,004,968 km (0.114 R)
• M27: 36,354,676 km (0.09 R)
• M28: 39,197,933 km (0.117 R)
• M29: 46,351,853 km (0.029 R)
• M30: 47,096,850 km (0.097 R)
• M31: 48,610,631 km (0.083 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 684

Radius: 7.5

Gravity: 12.16 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 7.22 AU - 9.32 AU

Year: 16131 Days

Day: 16.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 65,895,381 km

• M1: 98,136 km (0.052 R)
• M2: 464,352 km (0.081 R)
• M3: 873,203 km (0.108 R)
• M4: 1,146,368 km (0.037 R)
• M5: 1,476,681 km (0.096 R)
• M6: 3,319,427 km (0.111 R)
• M7: 4,595,347 km (0.075 R)
• M8: 5,073,612 km (0.078 R)
• M9: 5,435,339 km (0.113 R)
• M10: 5,930,957 km (0.084 R)
• M11: 8,220,253 km (0.072 R)
• M12: 8,821,936 km (0.043 R)
• M13: 11,342,361 km (0.071 R)
• M14: 12,537,648 km (0.112 R)
• M15: 15,549,203 km (0.1 R)
• M16: 18,839,608 km (0.097 R)
• M17: 19,357,216 km (0.069 R)
• M18: 20,510,915 km (0.106 R)
• M19: 20,966,590 km (0.102 R)
• M20: 21,336,097 km (0.078 R)
• M21: 21,615,995 km (0.07 R)
• M22: 22,566,839 km (0.064 R)
• M23: 28,978,753 km (0.095 R)
• M24: 38,127,561 km (0.079 R)
• M25: 39,794,978 km (0.119 R)
• M26: 40,077,569 km (0.053 R)
• M27: 41,221,394 km (0.106 R)
• M28: 44,326,896 km (0.087 R)
• M29: 44,630,580 km (0.036 R)
• M30: 46,169,643 km (0.071 R)
• M31: 46,952,339 km (0.063 R)
• M32: 47,584,839 km (0.116 R)
• M33: 53,021,674 km (0.104 R)
• M34: 61,270,351 km (0.111 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 415 - 15,251 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit