🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.8

Radius: 12

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.87 AU - 0.93 AU

Year: 589 Days

Day: 12.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,303,245 km

• M1: 149,299 km (0.09 R)
• M2: 530,324 km (0.111 R)
• M3: 1,002,904 km (0.053 R)
• M4: 1,540,559 km (0.099 R)
• M5: 1,993,691 km (0.112 R)
• M6: 2,468,963 km (0.076 R)
• M7: 3,130,186 km (0.072 R)
• M8: 3,564,468 km (0.098 R)
• M9: 4,079,085 km (0.072 R)
• M10: 4,747,040 km (0.079 R)
• M11: 5,306,835 km (0.109 R)
• M12: 5,687,412 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.4

Radius: 11

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.32 AU - 1.68 AU

Year: 1268 Days

Day: 13.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,303,245 km

• M1: 142,716 km (0.087 R)
• M2: 640,578 km (0.102 R)
• M3: 1,364,931 km (0.108 R)
• M4: 1,739,823 km (0.084 R)
• M5: 2,184,279 km (0.118 R)
• M6: 2,836,376 km (0.119 R)
• M7: 3,201,394 km (0.07 R)
• M8: 3,678,013 km (0.111 R)
• M9: 5,110,413 km (0.054 R)
• M10: 5,568,631 km (0.085 R)
• M11: 7,009,408 km (0.084 R)
• M12: 7,682,299 km (0.109 R)
• M13: 8,034,752 km (0.07 R)
• M14: 9,067,426 km (0.105 R)
• M15: 9,430,650 km (0.081 R)
• M16: 11,325,606 km (0.095 R)
• M17: 11,961,995 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.6

Radius: 9.4

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 3.03 AU - 4.07 AU

Year: 4617 Days

Day: 13.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 36,303,245 km

• M1: 120,576 km (0.101 R)
• M2: 420,819 km (0.112 R)
• M3: 893,698 km (0.095 R)
• M4: 1,245,701 km (0.117 R)
• M5: 2,123,691 km (0.069 R)
• M6: 2,500,080 km (0.113 R)
• M7: 3,388,093 km (0.091 R)
• M8: 3,797,392 km (0.116 R)
• M9: 4,425,853 km (0.114 R)
• M10: 5,227,099 km (0.074 R)
• M11: 7,999,746 km (0.038 R)
• M12: 8,322,279 km (0.058 R)
• M13: 8,841,085 km (0.093 R)
• M14: 9,224,803 km (0.085 R)
• M15: 9,861,791 km (0.043 R)
• M16: 12,658,673 km (0.076 R)
• M17: 15,334,380 km (0.081 R)
• M18: 16,285,075 km (0.117 R)
• M19: 16,745,986 km (0.109 R)
• M20: 18,614,313 km (0.042 R)
• M21: 19,245,616 km (0.053 R)
• M22: 19,956,356 km (0.08 R)
• M23: 22,264,202 km (0.08 R)
• M24: 24,070,896 km (0.115 R)
• M25: 25,277,103 km (0.107 R)
• M26: 25,584,826 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.6

Radius: 10.4

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 3.18 AU - 4.32 AU

Year: 5013 Days

Day: 5.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,303,245 km

• M1: 129,402 km (0.116 R)
• M2: 755,170 km (0.094 R)
• M3: 1,132,605 km (0.111 R)
• M4: 1,901,838 km (0.025 R)
• M5: 2,587,594 km (0.09 R)
• M6: 2,950,220 km (0.078 R)
• M7: 3,409,635 km (0.11 R)
• M8: 4,730,434 km (0.106 R)
• M9: 6,017,874 km (0.035 R)
• M10: 7,135,818 km (0.085 R)
• M11: 11,413,869 km (0.068 R)
• M12: 12,196,415 km (0.071 R)
• M13: 13,705,259 km (0.038 R)
• M14: 15,985,729 km (0.098 R)
• M15: 18,114,058 km (0.093 R)
• M16: 18,975,592 km (0.056 R)
• M17: 21,067,719 km (0.056 R)
• M18: 25,051,061 km (0.025 R)
• M19: 28,792,055 km (0.113 R)
• M20: 31,926,280 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.1

Radius: 10.7

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 3.62 AU - 5.08 AU

Year: 6262 Days

Day: 8.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 174.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,303,245 km

• M1: 135,236 km (0.097 R)
• M2: 676,033 km (0.118 R)
• M3: 1,552,975 km (0.101 R)
• M4: 2,213,450 km (0.086 R)
• M5: 3,727,829 km (0.054 R)
• M6: 4,134,885 km (0.066 R)
• M7: 4,643,219 km (0.071 R)
• M8: 5,564,891 km (0.117 R)
• M9: 6,513,042 km (0.089 R)
• M10: 7,202,689 km (0.111 R)
• M11: 7,802,726 km (0.086 R)
• M12: 9,102,582 km (0.087 R)
• M13: 10,250,446 km (0.067 R)
• M14: 11,536,988 km (0.106 R)
• M15: 14,272,983 km (0.111 R)
• M16: 14,741,374 km (0.112 R)
• M17: 16,604,167 km (0.057 R)
• M18: 17,122,523 km (0.064 R)
• M19: 19,178,447 km (0.066 R)
• M20: 20,924,553 km (0.1 R)
• M21: 22,774,181 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 182.1

Radius: 4.1

Gravity: 10.83 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 6.62 AU - 7.39 AU

Year: 12784 Days

Day: 16.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,303,245 km

• M1: 51,013 km (0.116 R)
• M2: 280,496 km (0.076 R)
• M3: 796,758 km (0.083 R)
• M4: 1,250,040 km (0.035 R)
• M5: 1,501,065 km (0.115 R)
• M6: 2,477,042 km (0.054 R)
• M7: 3,376,574 km (0.108 R)
• M8: 4,085,368 km (0.025 R)
• M9: 7,015,093 km (0.072 R)
• M10: 7,999,447 km (0.095 R)
• M11: 9,554,367 km (0.042 R)
• M12: 13,080,987 km (0.116 R)
• M13: 15,529,157 km (0.111 R)
• M14: 19,174,557 km (0.108 R)
• M15: 32,325,557 km (0.071 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 357 - 14,120 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit