🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.9

Radius: 13.3

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.73 AU - 0.97 AU

Year: 532 Days

Day: 14.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 50,027,120 km

• M1: 165,455 km (0.108 R)
• M2: 592,108 km (0.104 R)
• M3: 1,021,604 km (0.111 R)
• M4: 2,004,761 km (0.091 R)
• M5: 2,535,235 km (0.109 R)
• M6: 3,040,278 km (0.088 R)
• M7: 3,524,825 km (0.071 R)
• M8: 4,194,126 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.5

Radius: 11.3

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.75 AU - 0.99 AU

Year: 550 Days

Day: 7.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 129.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 50,027,120 km

• M1: 144,512 km (0.116 R)
• M2: 1,946,717 km (0.047 R)
• M3: 2,318,318 km (0.06 R)
• M4: 2,818,424 km (0.113 R)
• M5: 3,297,735 km (0.091 R)
• M6: 3,731,120 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.9

Radius: 8.4

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.02 AU - 1.48 AU

Year: 948 Days

Day: 13.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,027,120 km

• M1: 105,018 km (0.108 R)
• M2: 389,852 km (0.095 R)
• M3: 756,666 km (0.115 R)
• M4: 1,105,827 km (0.101 R)
• M5: 1,616,106 km (0.1 R)
• M6: 1,908,121 km (0.12 R)
• M7: 2,315,625 km (0.062 R)
• M8: 2,589,539 km (0.076 R)
• M9: 2,897,112 km (0.088 R)
• M10: 3,165,491 km (0.101 R)
• M11: 3,767,323 km (0.111 R)
• M12: 4,088,061 km (0.077 R)
• M13: 4,818,398 km (0.069 R)
• M14: 5,321,944 km (0.1 R)
• M15: 6,393,065 km (0.076 R)
• M16: 6,808,498 km (0.089 R)
• M17: 7,762,634 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.1

Radius: 11

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.29 AU - 1.97 AU

Year: 1411 Days

Day: 6.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,027,120 km

• M1: 136,882 km (0.116 R)
• M2: 780,452 km (0.071 R)
• M3: 1,371,364 km (0.086 R)
• M4: 1,735,186 km (0.09 R)
• M5: 2,303,059 km (0.115 R)
• M6: 3,048,805 km (0.061 R)
• M7: 4,699,168 km (0.054 R)
• M8: 5,412,900 km (0.067 R)
• M9: 6,605,195 km (0.108 R)
• M10: 7,744,233 km (0.082 R)
• M11: 8,829,566 km (0.046 R)
• M12: 9,819,754 km (0.059 R)
• M13: 10,576,121 km (0.075 R)
• M14: 11,370,785 km (0.111 R)
• M15: 13,040,297 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.4

Radius: 9.6

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.52 AU - 2.46 AU

Year: 1904 Days

Day: 8.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,027,120 km

• M1: 119,379 km (0.069 R)
• M2: 470,485 km (0.114 R)
• M3: 876,045 km (0.079 R)
• M4: 1,609,523 km (0.101 R)
• M5: 1,916,050 km (0.113 R)
• M6: 2,272,392 km (0.091 R)
• M7: 2,649,677 km (0.109 R)
• M8: 3,307,908 km (0.047 R)
• M9: 3,646,747 km (0.082 R)
• M10: 5,111,759 km (0.073 R)
• M11: 5,884,432 km (0.082 R)
• M12: 7,782,979 km (0.069 R)
• M13: 8,232,221 km (0.115 R)
• M14: 8,938,473 km (0.046 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.4

Radius: 13

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.69 AU - 3.33 AU

Year: 3542 Days

Day: 5.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,027,120 km

• M1: 161,715 km (0.097 R)
• M2: 647,609 km (0.097 R)
• M3: 1,140,085 km (0.106 R)
• M4: 1,852,470 km (0.07 R)
• M5: 2,420,344 km (0.079 R)
• M6: 3,271,406 km (0.11 R)
• M7: 5,225,454 km (0.119 R)
• M8: 6,181,982 km (0.119 R)
• M9: 7,957,560 km (0.073 R)
• M10: 8,674,732 km (0.081 R)
• M11: 9,188,002 km (0.034 R)
• M12: 9,757,970 km (0.054 R)
• M13: 10,503,566 km (0.109 R)
• M14: 12,663,609 km (0.093 R)
• M15: 13,415,339 km (0.116 R)
• M16: 15,951,023 km (0.12 R)
• M17: 17,520,155 km (0.063 R)
• M18: 18,904,533 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 700.1

Radius: 4.7

Gravity: 31.69 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 6.07 AU - 6.39 AU

Year: 10547 Days

Day: 17.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 50,027,120 km

• M1: 58,642 km (0.081 R)
• M2: 241,002 km (0.117 R)
• M3: 464,202 km (0.116 R)
• M4: 642,972 km (0.114 R)
• M5: 1,031,029 km (0.092 R)
• M6: 1,315,414 km (0.118 R)
• M7: 1,462,319 km (0.088 R)
• M8: 2,074,922 km (0.111 R)
• M9: 2,610,034 km (0.111 R)
• M10: 2,999,737 km (0.03 R)
• M11: 3,894,332 km (0.088 R)
• M12: 4,143,263 km (0.113 R)
• M13: 6,417,599 km (0.059 R)
• M14: 7,247,867 km (0.079 R)
• M15: 10,637,306 km (0.062 R)
• M16: 11,456,205 km (0.089 R)
• M17: 12,552,907 km (0.102 R)
• M18: 13,342,484 km (0.098 R)
• M19: 14,621,097 km (0.119 R)
• M20: 16,833,052 km (0.077 R)
• M21: 17,717,025 km (0.099 R)
• M22: 18,786,949 km (0.079 R)
• M23: 18,943,279 km (0.08 R)
• M24: 29,149,295 km (0.059 R)
• M25: 32,398,860 km (0.096 R)
• M26: 35,522,762 km (0.117 R)
• M27: 39,478,130 km (0.055 R)
• M28: 43,717,285 km (0.1 R)
• M29: 45,522,632 km (0.06 R)
• M30: 47,666,818 km (0.109 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 300 - 11,174 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit