🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.3

Radius: 8.8

Gravity: 8.06 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.7 AU - 0.82 AU

Year: 449 Days

Day: 13.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,232,136 km

• M1: 110,254 km (0.112 R)
• M2: 389,702 km (0.087 R)
• M3: 1,063,342 km (0.115 R)
• M4: 1,443,769 km (0.054 R)
• M5: 1,759,271 km (0.046 R)
• M6: 2,261,022 km (0.108 R)
• M7: 2,680,195 km (0.1 R)
• M8: 3,562,972 km (0.081 R)
• M9: 3,892,387 km (0.117 R)
• M10: 4,200,858 km (0.038 R)
• M11: 4,554,507 km (0.071 R)
• M12: 4,928,053 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.1

Radius: 8

Gravity: 9.17 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.86 AU - 0.92 AU

Year: 569 Days

Day: 13.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,232,136 km

• M1: 99,632 km (0.084 R)
• M2: 411,843 km (0.084 R)
• M3: 672,891 km (0.057 R)
• M4: 1,110,615 km (0.036 R)
• M5: 1,636,451 km (0.046 R)
• M6: 2,052,184 km (0.117 R)
• M7: 2,867,193 km (0.115 R)
• M8: 3,882,364 km (0.058 R)
• M9: 4,278,798 km (0.09 R)
• M10: 4,843,829 km (0.058 R)
• M11: 5,846,584 km (0.108 R)
• M12: 6,122,143 km (0.102 R)
• M13: 6,464,423 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.2

Radius: 8.8

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.07 AU - 1.13 AU

Year: 782 Days

Day: 11.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,232,136 km

• M1: 110,104 km (0.042 R)
• M2: 452,833 km (0.072 R)
• M3: 871,707 km (0.088 R)
• M4: 1,360,593 km (0.113 R)
• M5: 1,644,829 km (0.077 R)
• M6: 2,015,831 km (0.038 R)
• M7: 3,156,066 km (0.101 R)
• M8: 3,745,033 km (0.074 R)
• M9: 4,651,297 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.6

Radius: 10.2

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.82 AU - 3.2 AU

Year: 3542 Days

Day: 7.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 33,232,136 km

• M1: 126,859 km (0.12 R)
• M2: 528,679 km (0.115 R)
• M3: 950,545 km (0.074 R)
• M4: 1,416,093 km (0.086 R)
• M5: 1,877,453 km (0.057 R)
• M6: 2,668,826 km (0.058 R)
• M7: 3,416,666 km (0.079 R)
• M8: 5,223,359 km (0.087 R)
• M9: 6,247,057 km (0.063 R)
• M10: 6,959,293 km (0.118 R)
• M11: 7,367,246 km (0.113 R)
• M12: 8,440,013 km (0.107 R)
• M13: 9,235,873 km (0.095 R)
• M14: 10,001,964 km (0.118 R)
• M15: 11,315,134 km (0.066 R)
• M16: 12,013,307 km (0.086 R)
• M17: 12,879,479 km (0.042 R)
• M18: 13,592,163 km (0.069 R)
• M19: 14,280,912 km (0.066 R)
• M20: 15,834,935 km (0.062 R)
• M21: 17,845,081 km (0.039 R)
• M22: 21,498,261 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.5

Radius: 9.9

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 3.57 AU - 4.53 AU

Year: 5528 Days

Day: 13.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,232,136 km

• M1: 124,017 km (0.073 R)
• M2: 439,668 km (0.088 R)
• M3: 1,103,284 km (0.11 R)
• M4: 1,584,541 km (0.099 R)
• M5: 2,024,209 km (0.108 R)
• M6: 2,497,536 km (0.11 R)
• M7: 3,096,826 km (0.077 R)
• M8: 7,203,885 km (0.115 R)
• M9: 7,627,397 km (0.086 R)
• M10: 9,147,611 km (0.115 R)
• M11: 10,609,481 km (0.036 R)
• M12: 12,777,453 km (0.096 R)
• M13: 14,090,623 km (0.117 R)
• M14: 16,198,158 km (0.104 R)
• M15: 20,832,251 km (0.078 R)
• M16: 22,715,838 km (0.073 R)
• M17: 23,485,968 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 430.1

Radius: 5.8

Gravity: 12.79 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 6.37 AU - 6.53 AU

Year: 11110 Days

Day: 15 Hours

Environment

Temp: -238 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 33,232,136 km

• M1: 72,106 km (0.04 R)
• M2: 657,333 km (0.098 R)
• M3: 1,016,518 km (0.119 R)
• M4: 1,247,197 km (0.11 R)
• M5: 1,432,998 km (0.085 R)
• M6: 2,088,985 km (0.113 R)
• M7: 2,408,825 km (0.119 R)
• M8: 3,945,793 km (0.115 R)
• M9: 4,212,826 km (0.06 R)
• M10: 6,803,412 km (0.08 R)
• M11: 7,874,832 km (0.096 R)
• M12: 9,192,191 km (0.092 R)
• M13: 9,758,120 km (0.077 R)
• M14: 12,999,157 km (0.116 R)
• M15: 14,828,889 km (0.045 R)
• M16: 16,754,214 km (0.062 R)
• M17: 16,962,454 km (0.114 R)
• M18: 17,455,080 km (0.089 R)
• M19: 17,740,811 km (0.079 R)
• M20: 22,494,134 km (0.093 R)
• M21: 23,260,375 km (0.092 R)
• M22: 24,755,007 km (0.081 R)
• M23: 26,782,806 km (0.064 R)
• M24: 27,837,022 km (0.077 R)
• M25: 29,118,328 km (0.111 R)
• M26: 36,003,121 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 126

Radius: 5.8

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 6.3 AU - 8.36 AU

Year: 13460 Days

Day: 22.9 Hours

Environment

Temp: -240 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,232,136 km

• M1: 74,051 km (0.084 R)
• M2: 480,808 km (0.045 R)
• M3: 1,375,403 km (0.064 R)
• M4: 1,792,930 km (0.095 R)
• M5: 2,024,059 km (0.094 R)
• M6: 2,564,108 km (0.096 R)
• M7: 3,670,982 km (0.102 R)
• M8: 5,264,648 km (0.037 R)
• M9: 7,598,824 km (0.076 R)
• M10: 21,608,216 km (0.095 R)
• M11: 24,004,774 km (0.081 R)
• M12: 25,725,448 km (0.088 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 507 - 17,235 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit