🌌 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: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.9

Radius: 9.7

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.68 AU - 0.82 AU

Year: 419 Days

Day: 11.8 Hours

Environment

Temp: -137 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 24,428,879 km

• M1: 120,875 km (0.061 R)
• M2: 432,787 km (0.096 R)
• M3: 737,069 km (0.082 R)
• M4: 1,252,882 km (0.045 R)
• M5: 1,611,917 km (0.056 R)
• M6: 2,011,343 km (0.11 R)
• M7: 2,419,596 km (0.027 R)
• M8: 2,828,447 km (0.038 R)
• M9: 3,343,213 km (0.052 R)
• M10: 3,709,429 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.9

Radius: 8.2

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.77 AU - 1.15 AU

Year: 607 Days

Day: 5.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 24,428,879 km

• M1: 102,026 km (0.092 R)
• M2: 497,114 km (0.081 R)
• M3: 893,099 km (0.115 R)
• M4: 1,343,688 km (0.063 R)
• M5: 1,979,778 km (0.09 R)
• M6: 2,261,920 km (0.102 R)
• M7: 2,865,697 km (0.108 R)
• M8: 3,824,021 km (0.081 R)
• M9: 5,624,282 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.9

Radius: 10

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.02 AU - 1.6 AU

Year: 968 Days

Day: 13 Hours

Environment

Temp: -171 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 24,428,879 km

• M1: 124,465 km (0.085 R)
• M2: 482,902 km (0.074 R)
• M3: 799,002 km (0.12 R)
• M4: 1,462,768 km (0.08 R)
• M5: 2,096,764 km (0.054 R)
• M6: 2,723,429 km (0.116 R)
• M7: 3,265,273 km (0.111 R)
• M8: 3,626,851 km (0.117 R)
• M9: 3,999,649 km (0.085 R)
• M10: 4,414,633 km (0.116 R)
• M11: 4,753,173 km (0.117 R)
• M12: 5,293,670 km (0.119 R)
• M13: 7,118,315 km (0.059 R)
• M14: 7,681,402 km (0.062 R)
• M15: 9,164,964 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.3

Radius: 13.1

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.44 AU - 1.68 AU

Year: 1258 Days

Day: 14.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 24,428,879 km

• M1: 165,754 km (0.055 R)
• M2: 599,887 km (0.078 R)
• M3: 1,028,635 km (0.067 R)
• M4: 1,744,461 km (0.116 R)
• M5: 2,637,410 km (0.103 R)
• M6: 3,301,775 km (0.098 R)
• M7: 3,721,097 km (0.058 R)
• M8: 4,227,187 km (0.072 R)
• M9: 5,043,842 km (0.108 R)
• M10: 5,520,909 km (0.118 R)
• M11: 6,636,012 km (0.057 R)
• M12: 7,459,399 km (0.068 R)
• M13: 8,027,721 km (0.058 R)
• M14: 8,569,415 km (0.076 R)
• M15: 9,756,175 km (0.105 R)
• M16: 10,468,410 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.3

Radius: 13.4

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.41 AU - 1.73 AU

Year: 1270 Days

Day: 6.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 24,428,879 km

• M1: 166,652 km (0.086 R)
• M2: 651,349 km (0.075 R)
• M3: 1,130,661 km (0.029 R)
• M4: 1,657,395 km (0.084 R)
• M5: 2,436,650 km (0.025 R)
• M6: 3,182,545 km (0.104 R)
• M7: 3,610,096 km (0.073 R)
• M8: 4,125,012 km (0.118 R)
• M9: 4,688,996 km (0.032 R)
• M10: 5,805,295 km (0.081 R)
• M11: 6,811,041 km (0.115 R)
• M12: 7,701,747 km (0.071 R)
• M13: 9,167,657 km (0.116 R)
• M14: 9,922,228 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133

Radius: 13.8

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.45 AU - 2.65 AU

Year: 2629 Days

Day: 7.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 24,428,879 km

• M1: 171,738 km (0.113 R)
• M2: 695,032 km (0.077 R)
• M3: 2,271,344 km (0.102 R)
• M4: 3,071,543 km (0.071 R)
• M5: 3,683,848 km (0.092 R)
• M6: 5,058,054 km (0.049 R)
• M7: 5,495,927 km (0.075 R)
• M8: 5,980,923 km (0.086 R)
• M9: 6,586,794 km (0.084 R)
• M10: 9,080,292 km (0.092 R)
• M11: 10,731,403 km (0.057 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.1

Radius: 10.8

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 3.3 AU - 3.62 AU

Year: 4156 Days

Day: 13.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 24,428,879 km

• M1: 134,339 km (0.105 R)
• M2: 518,506 km (0.091 R)
• M3: 1,499,270 km (0.113 R)
• M4: 2,246,511 km (0.102 R)
• M5: 2,624,545 km (0.118 R)
• M6: 3,812,951 km (0.082 R)
• M7: 4,154,333 km (0.086 R)
• M8: 4,704,853 km (0.118 R)
• M9: 5,648,666 km (0.116 R)
• M10: 6,443,479 km (0.092 R)
• M11: 7,118,914 km (0.119 R)
• M12: 7,706,086 km (0.084 R)
• M13: 8,290,116 km (0.067 R)
• M14: 9,051,868 km (0.069 R)
• M15: 9,820,203 km (0.08 R)
• M16: 10,756,984 km (0.072 R)
• M17: 11,931,477 km (0.089 R)
• M18: 13,925,467 km (0.077 R)
• M19: 15,054,183 km (0.095 R)
• M20: 16,746,883 km (0.094 R)
• M21: 17,551,570 km (0.037 R)
• M22: 17,963,413 km (0.104 R)
• M23: 20,701,802 km (0.088 R)
• M24: 21,763,199 km (0.06 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 310 - 16,475 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit