🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.4

Radius: 11.2

Gravity: 7.23 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.98 AU - 1 AU

Year: 626 Days

Day: 7.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,708,225 km

• M1: 139,276 km (0.049 R)
• M2: 523,293 km (0.053 R)
• M3: 986,748 km (0.119 R)
• M4: 1,527,245 km (0.102 R)
• M5: 1,920,238 km (0.078 R)
• M6: 2,391,322 km (0.059 R)
• M7: 2,832,486 km (0.073 R)
• M8: 3,288,760 km (0.101 R)
• M9: 3,851,397 km (0.075 R)
• M10: 4,225,392 km (0.083 R)
• M11: 4,722,954 km (0.067 R)
• M12: 5,134,648 km (0.078 R)
• M13: 6,050,486 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.2

Radius: 10.2

Gravity: 8.11 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.77 AU - 2.57 AU

Year: 2032 Days

Day: 8.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,708,225 km

• M1: 126,859 km (0.108 R)
• M2: 466,297 km (0.109 R)
• M3: 820,096 km (0.106 R)
• M4: 1,247,197 km (0.1 R)
• M5: 1,598,752 km (0.08 R)
• M6: 2,041,113 km (0.083 R)
• M7: 2,452,807 km (0.112 R)
• M8: 3,462,592 km (0.099 R)
• M9: 3,955,816 km (0.064 R)
• M10: 4,685,854 km (0.097 R)
• M11: 5,624,132 km (0.111 R)
• M12: 6,281,016 km (0.118 R)
• M13: 7,747,973 km (0.11 R)
• M14: 9,090,015 km (0.111 R)
• M15: 9,745,703 km (0.111 R)
• M16: 11,821,972 km (0.075 R)
• M17: 13,418,480 km (0.118 R)
• M18: 14,683,629 km (0.076 R)
• M19: 15,829,699 km (0.09 R)
• M20: 17,659,430 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.2

Radius: 14.9

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.41 AU - 3.13 AU

Year: 2931 Days

Day: 7.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,708,225 km

• M1: 185,950 km (0.072 R)
• M2: 827,575 km (0.056 R)
• M3: 1,461,721 km (0.1 R)
• M4: 2,517,283 km (0.104 R)
• M5: 2,984,478 km (0.05 R)
• M6: 3,796,196 km (0.087 R)
• M7: 4,984,302 km (0.114 R)
• M8: 6,607,140 km (0.082 R)
• M9: 7,199,697 km (0.03 R)
• M10: 9,193,238 km (0.057 R)
• M11: 10,162,782 km (0.045 R)
• M12: 11,158,505 km (0.074 R)
• M13: 11,744,031 km (0.095 R)
• M14: 12,705,646 km (0.074 R)
• M15: 13,298,054 km (0.052 R)
• M16: 15,750,861 km (0.111 R)
• M17: 16,222,543 km (0.108 R)
• M18: 16,757,654 km (0.069 R)
• M19: 17,976,578 km (0.116 R)
• M20: 18,491,942 km (0.113 R)
• M21: 20,220,247 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.7

Radius: 14.8

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.22 AU - 4.68 AU

Year: 4991 Days

Day: 14.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,708,225 km

• M1: 195,674 km (0.118 R)
• M2: 726,746 km (0.112 R)
• M3: 1,264,401 km (0.074 R)
• M4: 1,779,616 km (0.091 R)
• M5: 2,242,622 km (0.093 R)
• M6: 2,880,357 km (0.12 R)
• M7: 4,247,682 km (0.108 R)
• M8: 6,171,810 km (0.083 R)
• M9: 7,220,192 km (0.026 R)
• M10: 10,384,037 km (0.119 R)
• M11: 11,422,097 km (0.08 R)
• M12: 12,219,752 km (0.082 R)
• M13: 13,322,887 km (0.05 R)
• M14: 14,491,396 km (0.079 R)
• M15: 15,666,637 km (0.081 R)
• M16: 18,273,978 km (0.055 R)
• M17: 24,906,998 km (0.098 R)
• M18: 26,506,050 km (0.082 R)
• M19: 27,462,579 km (0.094 R)
• M20: 29,260,745 km (0.094 R)
• M21: 31,520,571 km (0.089 R)
• M22: 32,792,152 km (0.11 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 833.9

Radius: 4.5

Gravity: 41.18 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 5.15 AU - 8.27 AU

Year: 11051 Days

Day: 16.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 54,708,225 km

• M1: 62,382 km (0.11 R)
• M2: 284,086 km (0.089 R)
• M3: 436,826 km (0.086 R)
• M4: 1,966,913 km (0.089 R)
• M5: 2,439,642 km (0.055 R)
• M6: 3,102,510 km (0.083 R)
• M7: 3,322,868 km (0.109 R)
• M8: 5,170,102 km (0.108 R)
• M9: 7,434,266 km (0.035 R)
• M10: 8,903,018 km (0.041 R)
• M11: 10,664,234 km (0.082 R)
• M12: 11,684,641 km (0.062 R)
• M13: 11,979,349 km (0.048 R)
• M14: 12,278,844 km (0.108 R)
• M15: 12,644,910 km (0.105 R)
• M16: 13,144,267 km (0.116 R)
• M17: 14,182,177 km (0.053 R)
• M18: 14,517,426 km (0.098 R)
• M19: 15,911,529 km (0.093 R)
• M20: 17,931,848 km (0.096 R)
• M21: 18,166,268 km (0.046 R)
• M22: 18,721,426 km (0.1 R)
• M23: 18,962,876 km (0.068 R)
• M24: 20,625,208 km (0.107 R)
• M25: 21,316,649 km (0.071 R)
• M26: 22,836,863 km (0.097 R)
• M27: 24,812,602 km (0.078 R)
• M28: 26,695,890 km (0.09 R)
• M29: 29,424,256 km (0.03 R)
• M30: 29,859,885 km (0.112 R)
• M31: 30,744,008 km (0.096 R)
• M32: 40,565,258 km (0.116 R)
• M33: 45,739,549 km (0.107 R)
• M34: 46,177,422 km (0.098 R)
• M35: 51,494,280 km (0.094 R)
• M36: 52,126,630 km (0.088 R)
• M37: 52,604,446 km (0.095 R)
• M38: 54,380,920 km (0.106 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: 166 - 10,259 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit