🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.8

Radius: 9.9

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.59 AU - 0.71 AU

Year: 368 Days

Day: 13.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 43,371,930 km

• M1: 123,119 km (0.071 R)
• M2: 434,133 km (0.063 R)
• M3: 1,017,266 km (0.097 R)
• M4: 1,542,204 km (0.12 R)
• M5: 2,232,748 km (0.116 R)
• M6: 3,520,786 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414

Radius: 10.1

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.84 AU - 1.06 AU

Year: 651 Days

Day: 9.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,371,930 km

• M1: 126,560 km (0.093 R)
• M2: 446,101 km (0.119 R)
• M3: 896,241 km (0.117 R)
• M4: 1,231,041 km (0.103 R)
• M5: 1,557,015 km (0.051 R)
• M6: 2,256,983 km (0.091 R)
• M7: 2,586,846 km (0.059 R)
• M8: 2,904,742 km (0.041 R)
• M9: 3,965,092 km (0.099 R)
• M10: 4,675,083 km (0.038 R)
• M11: 5,692,498 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.7

Radius: 10.8

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.03 AU - 1.03 AU

Year: 735 Days

Day: 14 Hours

Environment

Temp: -173 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 43,371,930 km

• M1: 135,087 km (0.093 R)
• M2: 697,126 km (0.06 R)
• M3: 1,083,687 km (0.077 R)
• M4: 2,414,210 km (0.092 R)
• M5: 3,022,475 km (0.063 R)
• M6: 3,637,622 km (0.079 R)
• M7: 3,989,626 km (0.069 R)
• M8: 4,453,977 km (0.044 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.8

Radius: 13.6

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.07 AU - 1.09 AU

Year: 789 Days

Day: 5.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,371,930 km

• M1: 169,195 km (0.086 R)
• M2: 641,326 km (0.036 R)
• M3: 1,070,074 km (0.087 R)
• M4: 1,655,151 km (0.055 R)
• M5: 2,101,850 km (0.097 R)
• M6: 2,593,578 km (0.1 R)
• M7: 3,079,173 km (0.098 R)
• M8: 3,849,752 km (0.103 R)
• M9: 4,459,213 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.1

Radius: 8.8

Gravity: 8.46 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.77 AU - 2.61 AU

Year: 2278 Days

Day: 13.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 43,371,930 km

• M1: 117,135 km (0.113 R)
• M2: 420,669 km (0.087 R)
• M3: 834,607 km (0.053 R)
• M4: 1,147,864 km (0.106 R)
• M5: 1,491,640 km (0.109 R)
• M6: 1,997,431 km (0.116 R)
• M7: 2,284,509 km (0.05 R)
• M8: 2,700,990 km (0.105 R)
• M9: 3,134,524 km (0.082 R)
• M10: 3,524,975 km (0.072 R)
• M11: 3,853,043 km (0.092 R)
• M12: 4,281,491 km (0.107 R)
• M13: 4,591,757 km (0.062 R)
• M14: 5,142,277 km (0.077 R)
• M15: 5,910,462 km (0.073 R)
• M16: 6,243,467 km (0.028 R)
• M17: 6,919,500 km (0.086 R)
• M18: 7,643,404 km (0.094 R)
• M19: 9,173,641 km (0.042 R)
• M20: 9,726,255 km (0.099 R)
• M21: 10,898,205 km (0.11 R)
• M22: 14,144,927 km (0.035 R)
• M23: 15,404,691 km (0.106 R)
• M24: 15,791,850 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 807

Radius: 4.4

Gravity: 41.68 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 5.01 AU - 7.11 AU

Year: 10486 Days

Day: 18.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 43,371,930 km

• M1: 54,902 km (0.026 R)
• M2: 329,714 km (0.027 R)
• M3: 478,564 km (0.114 R)
• M4: 625,768 km (0.095 R)
• M5: 850,913 km (0.068 R)
• M6: 1,354,310 km (0.079 R)
• M7: 1,492,388 km (0.112 R)
• M8: 1,846,636 km (0.052 R)
• M9: 2,273,588 km (0.047 R)
• M10: 3,395,423 km (0.048 R)
• M11: 3,758,497 km (0.072 R)
• M12: 4,147,152 km (0.105 R)
• M13: 4,410,744 km (0.094 R)
• M14: 4,779,652 km (0.108 R)
• M15: 7,479,146 km (0.119 R)
• M16: 8,411,739 km (0.047 R)
• M17: 8,644,663 km (0.106 R)
• M18: 11,216,998 km (0.034 R)
• M19: 12,494,863 km (0.032 R)
• M20: 12,737,212 km (0.088 R)
• M21: 13,044,486 km (0.062 R)
• M22: 14,925,380 km (0.075 R)
• M23: 15,894,923 km (0.062 R)
• M24: 16,612,544 km (0.108 R)
• M25: 17,502,053 km (0.12 R)
• M26: 21,292,265 km (0.108 R)
• M27: 21,812,417 km (0.096 R)
• M28: 22,518,967 km (0.091 R)
• M29: 25,016,205 km (0.085 R)
• M30: 25,208,288 km (0.072 R)
• M31: 25,692,537 km (0.097 R)
• M32: 27,692,062 km (0.062 R)
• M33: 30,443,316 km (0.075 R)
• M34: 34,783,899 km (0.114 R)
• M35: 39,519,120 km (0.074 R)
• M36: 50,243,043 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 145.2

Radius: 4.3

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 6.77 AU - 11.05 AU

Year: 18695 Days

Day: 18.4 Hours

Environment

Temp: -240 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 43,371,930 km

• M1: 58,942 km (0.09 R)
• M2: 241,002 km (0.102 R)
• M3: 622,926 km (0.076 R)
• M4: 859,589 km (0.075 R)
• M5: 1,143,077 km (0.092 R)
• M6: 1,433,447 km (0.064 R)
• M7: 2,177,247 km (0.057 R)
• M8: 2,393,117 km (0.057 R)
• M9: 4,269,972 km (0.082 R)
• M10: 4,493,770 km (0.107 R)
• M11: 9,598,648 km (0.106 R)
• M12: 11,677,311 km (0.071 R)
• M13: 13,140,527 km (0.116 R)
• M14: 14,037,965 km (0.065 R)
• M15: 15,755,049 km (0.069 R)
• M16: 16,835,894 km (0.049 R)
• M17: 17,749,937 km (0.098 R)
• M18: 17,893,401 km (0.117 R)
• M19: 19,446,975 km (0.1 R)
• M20: 20,139,613 km (0.064 R)
• M21: 20,452,572 km (0.079 R)
• M22: 27,992,754 km (0.062 R)
• M23: 34,784,646 km (0.05 R)
• M24: 36,148,081 km (0.036 R)
• M25: 38,378,885 km (0.095 R)
• M26: 42,725,451 km (0.058 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: 196 - 15,978 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit