🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.2

Radius: 12.9

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.64 AU - 0.94 AU

Year: 461 Days

Day: 12.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,405,311 km

• M1: 162,314 km (0.072 R)
• M2: 616,194 km (0.062 R)
• M3: 1,218,624 km (0.092 R)
• M4: 2,386,086 km (0.117 R)
• M5: 3,048,954 km (0.12 R)
• M6: 3,572,996 km (0.088 R)
• M7: 4,305,576 km (0.106 R)
• M8: 4,892,898 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.2

Radius: 12.5

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.21 AU - 3.61 AU

Year: 3256 Days

Day: 7 Hours

Environment

Temp: -212 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,405,311 km

• M1: 164,109 km (0.105 R)
• M2: 584,479 km (0.096 R)
• M3: 976,425 km (0.092 R)
• M4: 1,440,478 km (0.118 R)
• M5: 2,399,251 km (0.074 R)
• M6: 3,846,311 km (0.074 R)
• M7: 4,515,163 km (0.068 R)
• M8: 5,413,797 km (0.105 R)
• M9: 5,947,263 km (0.116 R)
• M10: 6,603,998 km (0.108 R)
• M11: 7,827,709 km (0.071 R)
• M12: 9,726,106 km (0.111 R)
• M13: 13,576,456 km (0.038 R)
• M14: 14,413,007 km (0.084 R)
• M15: 15,388,235 km (0.087 R)
• M16: 16,905,008 km (0.037 R)
• M17: 18,998,930 km (0.08 R)
• M18: 19,733,754 km (0.109 R)
• M19: 22,119,392 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.7

Radius: 10.4

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.99 AU - 4.77 AU

Year: 5014 Days

Day: 12.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,405,311 km

• M1: 129,851 km (0.111 R)
• M2: 529,876 km (0.101 R)
• M3: 1,011,282 km (0.074 R)
• M4: 1,538,764 km (0.027 R)
• M5: 2,267,006 km (0.105 R)
• M6: 2,723,728 km (0.1 R)
• M7: 3,979,453 km (0.071 R)
• M8: 5,260,160 km (0.09 R)
• M9: 5,833,868 km (0.076 R)
• M10: 6,375,562 km (0.112 R)
• M11: 10,943,832 km (0.053 R)
• M12: 11,659,060 km (0.113 R)
• M13: 12,443,252 km (0.104 R)
• M14: 12,985,245 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.8

Radius: 15

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 4.45 AU - 5.01 AU

Year: 6748 Days

Day: 10.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,405,311 km

• M1: 186,698 km (0.101 R)
• M2: 782,995 km (0.089 R)
• M3: 1,502,411 km (0.107 R)
• M4: 2,278,525 km (0.112 R)
• M5: 2,913,419 km (0.082 R)
• M6: 4,544,185 km (0.116 R)
• M7: 5,669,460 km (0.113 R)
• M8: 6,599,211 km (0.072 R)
• M9: 12,088,555 km (0.102 R)
• M10: 13,678,930 km (0.096 R)
• M11: 14,973,700 km (0.062 R)
• M12: 16,123,359 km (0.108 R)
• M13: 19,926,436 km (0.105 R)
• M14: 20,913,334 km (0.073 R)
• M15: 23,414,610 km (0.111 R)
• M16: 24,962,649 km (0.086 R)
• M17: 25,493,572 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674

Radius: 10.2

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 4.67 AU - 6.83 AU

Year: 9045 Days

Day: 14.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 60,405,311 km

• M1: 128,205 km (0.111 R)
• M2: 466,745 km (0.072 R)
• M3: 804,986 km (0.03 R)
• M4: 1,145,321 km (0.044 R)
• M5: 1,828,535 km (0.045 R)
• M6: 2,452,807 km (0.041 R)
• M7: 3,236,251 km (0.112 R)
• M8: 3,812,053 km (0.039 R)
• M9: 4,426,451 km (0.113 R)
• M10: 6,024,905 km (0.106 R)
• M11: 6,821,513 km (0.07 R)
• M12: 7,564,716 km (0.118 R)
• M13: 8,404,408 km (0.039 R)
• M14: 10,519,722 km (0.119 R)
• M15: 12,793,760 km (0.067 R)
• M16: 13,801,152 km (0.105 R)
• M17: 16,515,755 km (0.106 R)
• M18: 19,338,218 km (0.104 R)
• M19: 19,721,936 km (0.112 R)
• M20: 20,504,632 km (0.082 R)
• M21: 20,984,093 km (0.066 R)
• M22: 22,467,506 km (0.086 R)
• M23: 23,407,728 km (0.118 R)
• M24: 23,931,471 km (0.097 R)
• M25: 25,093,248 km (0.071 R)
• M26: 26,479,870 km (0.099 R)
• M27: 27,240,127 km (0.034 R)
• M28: 29,204,048 km (0.114 R)
• M29: 31,896,061 km (0.066 R)
• M30: 32,539,930 km (0.054 R)
• M31: 33,742,997 km (0.067 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 679.1

Radius: 7.6

Gravity: 11.76 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 7.58 AU - 7.96 AU

Year: 14208 Days

Day: 23.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 60,405,311 km

• M1: 94,546 km (0.111 R)
• M2: 501,751 km (0.09 R)
• M3: 837,898 km (0.087 R)
• M4: 1,520,214 km (0.12 R)
• M5: 1,891,216 km (0.099 R)
• M6: 2,145,832 km (0.115 R)
• M7: 2,528,204 km (0.09 R)
• M8: 4,343,125 km (0.035 R)
• M9: 4,757,063 km (0.084 R)
• M10: 5,373,406 km (0.101 R)
• M11: 6,890,179 km (0.105 R)
• M12: 8,189,287 km (0.101 R)
• M13: 9,486,151 km (0.097 R)
• M14: 10,293,829 km (0.051 R)
• M15: 11,205,030 km (0.062 R)
• M16: 13,186,903 km (0.075 R)
• M17: 14,468,208 km (0.044 R)
• M18: 14,960,685 km (0.106 R)
• M19: 15,756,845 km (0.118 R)
• M20: 16,053,348 km (0.116 R)
• M21: 17,830,720 km (0.03 R)
• M22: 18,891,369 km (0.098 R)
• M23: 21,498,560 km (0.053 R)
• M24: 22,232,338 km (0.098 R)
• M25: 25,640,028 km (0.082 R)
• M26: 29,157,672 km (0.093 R)
• M27: 30,056,456 km (0.116 R)
• M28: 35,080,401 km (0.104 R)
• M29: 38,055,454 km (0.095 R)
• M30: 38,321,888 km (0.087 R)
• M31: 43,622,889 km (0.113 R)
• M32: 55,994,184 km (0.066 R)
• M33: 57,731,763 km (0.087 R)
• M34: 59,147,557 km (0.053 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 369 - 14,900 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit