🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.4

Radius: 14.4

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.53 AU - 0.69 AU

Year: 318 Days

Day: 7 Hours

Environment

Temp: -157 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,352,622 km

• M1: 179,368 km (0.104 R)
• M2: 727,943 km (0.032 R)
• M3: 1,334,263 km (0.098 R)
• M4: 1,835,416 km (0.06 R)
• M5: 2,748,262 km (0.113 R)
• M6: 3,520,786 km (0.04 R)
• M7: 4,008,924 km (0.085 R)
• M8: 4,596,694 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.2

Radius: 11.8

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.6 AU - 0.84 AU

Year: 407 Days

Day: 8.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,352,622 km

• M1: 146,756 km (0.118 R)
• M2: 636,090 km (0.116 R)
• M3: 1,208,452 km (0.105 R)
• M4: 1,832,574 km (0.081 R)
• M5: 2,228,260 km (0.111 R)
• M6: 2,690,667 km (0.094 R)
• M7: 3,175,514 km (0.09 R)
• M8: 3,616,229 km (0.107 R)
• M9: 4,221,652 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.3

Radius: 10.3

Gravity: 8.36 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.93 AU - 0.99 AU

Year: 627 Days

Day: 6.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,352,622 km

• M1: 128,056 km (0.115 R)
• M2: 873,053 km (0.04 R)
• M3: 1,523,804 km (0.089 R)
• M4: 1,899,743 km (0.058 R)
• M5: 2,614,522 km (0.118 R)
• M6: 2,997,792 km (0.079 R)
• M7: 3,937,416 km (0.107 R)
• M8: 4,427,798 km (0.08 R)
• M9: 5,045,039 km (0.077 R)
• M10: 6,638,854 km (0.048 R)
• M11: 7,267,913 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.4

Radius: 12.2

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.47 AU - 2.01 AU

Year: 1531 Days

Day: 8.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,352,622 km

• M1: 151,991 km (0.109 R)
• M2: 735,274 km (0.111 R)
• M3: 1,342,042 km (0.074 R)
• M4: 2,058,616 km (0.048 R)
• M5: 3,151,878 km (0.115 R)
• M6: 4,618,834 km (0.088 R)
• M7: 6,083,098 km (0.112 R)
• M8: 7,040,525 km (0.105 R)
• M9: 8,783,938 km (0.086 R)
• M10: 9,972,643 km (0.11 R)
• M11: 11,412,074 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.9

Radius: 9.9

Gravity: 7.42 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 3.33 AU - 4.71 AU

Year: 5375 Days

Day: 6.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 69,352,622 km

• M1: 123,119 km (0.098 R)
• M2: 443,109 km (0.08 R)
• M3: 966,552 km (0.095 R)
• M4: 1,322,744 km (0.086 R)
• M5: 2,092,425 km (0.059 R)
• M6: 3,465,883 km (0.034 R)
• M7: 3,819,084 km (0.089 R)
• M8: 4,729,088 km (0.069 R)
• M9: 6,803,262 km (0.114 R)
• M10: 7,147,487 km (0.079 R)
• M11: 8,135,581 km (0.079 R)
• M12: 8,523,937 km (0.096 R)
• M13: 9,634,402 km (0.077 R)
• M14: 10,202,276 km (0.079 R)
• M15: 11,261,578 km (0.109 R)
• M16: 13,012,172 km (0.108 R)
• M17: 16,118,423 km (0.08 R)
• M18: 16,546,272 km (0.084 R)
• M19: 18,005,749 km (0.069 R)
• M20: 18,466,511 km (0.042 R)
• M21: 19,002,670 km (0.064 R)
• M22: 19,826,505 km (0.07 R)
• M23: 21,545,085 km (0.091 R)
• M24: 22,974,493 km (0.069 R)
• M25: 24,226,328 km (0.112 R)
• M26: 24,950,082 km (0.115 R)
• M27: 30,149,356 km (0.115 R)
• M28: 32,031,298 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.7

Radius: 12.7

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 3.89 AU - 6.29 AU

Year: 7658 Days

Day: 9.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 69,352,622 km

• M1: 158,424 km (0.101 R)
• M2: 663,915 km (0.073 R)
• M3: 1,083,986 km (0.091 R)
• M4: 1,703,172 km (0.098 R)
• M5: 2,104,543 km (0.077 R)
• M6: 2,569,942 km (0.119 R)
• M7: 4,205,495 km (0.089 R)
• M8: 4,625,716 km (0.106 R)
• M9: 5,751,141 km (0.074 R)
• M10: 6,746,415 km (0.026 R)
• M11: 7,811,851 km (0.097 R)
• M12: 11,575,285 km (0.071 R)
• M13: 12,069,257 km (0.101 R)
• M14: 14,002,062 km (0.073 R)
• M15: 16,337,434 km (0.088 R)
• M16: 19,072,681 km (0.104 R)
• M17: 19,607,943 km (0.098 R)
• M18: 21,767,238 km (0.077 R)
• M19: 23,033,135 km (0.11 R)
• M20: 24,436,812 km (0.075 R)
• M21: 28,491,214 km (0.111 R)
• M22: 29,292,161 km (0.106 R)
• M23: 30,417,885 km (0.109 R)
• M24: 37,427,293 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.3

Radius: 12.7

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 4.92 AU - 6.54 AU

Year: 9147 Days

Day: 14.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 69,352,622 km

• M1: 169,794 km (0.077 R)
• M2: 810,820 km (0.086 R)
• M3: 1,221,018 km (0.066 R)
• M4: 1,624,932 km (0.087 R)
• M5: 2,440,091 km (0.113 R)
• M6: 3,511,960 km (0.116 R)
• M7: 4,015,506 km (0.112 R)
• M8: 5,411,703 km (0.12 R)
• M9: 6,602,053 km (0.093 R)
• M10: 9,496,473 km (0.073 R)
• M11: 10,144,531 km (0.041 R)
• M12: 11,375,123 km (0.098 R)
• M13: 13,148,755 km (0.113 R)
• M14: 16,504,235 km (0.073 R)
• M15: 18,133,207 km (0.105 R)
• M16: 18,627,927 km (0.045 R)
• M17: 19,059,218 km (0.117 R)
• M18: 19,792,696 km (0.098 R)
• M19: 21,787,883 km (0.118 R)
• M20: 22,186,561 km (0.104 R)
• M21: 22,589,877 km (0.114 R)
• M22: 25,114,491 km (0.105 R)
• M23: 27,357,411 km (0.11 R)
• M24: 38,015,811 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 901.1

Radius: 4.5

Gravity: 44.5 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 7.07 AU - 8.99 AU

Year: 15174 Days

Day: 25 Hours

Environment

Temp: -236 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 69,352,622 km

• M1: 55,950 km (0.083 R)
• M2: 226,491 km (0.055 R)
• M3: 396,434 km (0.035 R)
• M4: 735,124 km (0.11 R)
• M5: 1,465,910 km (0.086 R)
• M6: 1,834,967 km (0.077 R)
• M7: 2,061,010 km (0.115 R)
• M8: 2,852,383 km (0.109 R)
• M9: 3,289,059 km (0.062 R)
• M10: 5,116,995 km (0.096 R)
• M11: 8,409,943 km (0.076 R)
• M12: 9,087,023 km (0.079 R)
• M13: 10,256,280 km (0.06 R)
• M14: 11,711,419 km (0.067 R)
• M15: 13,161,321 km (0.088 R)
• M16: 15,553,990 km (0.083 R)
• M17: 16,974,122 km (0.075 R)
• M18: 17,967,452 km (0.036 R)
• M19: 19,708,023 km (0.039 R)
• M20: 22,037,861 km (0.047 R)
• M21: 22,231,889 km (0.085 R)
• M22: 25,068,115 km (0.051 R)
• M23: 27,013,486 km (0.117 R)
• M24: 30,837,207 km (0.081 R)
• M25: 31,201,628 km (0.071 R)
• M26: 40,254,543 km (0.116 R)
• M27: 44,132,569 km (0.088 R)
• M28: 46,638,632 km (0.089 R)
• M29: 47,926,520 km (0.109 R)
• M30: 58,165,447 km (0.085 R)
• M31: 65,878,265 km (0.098 R)
• M32: 67,090,905 km (0.073 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 192 - 19,070 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit