🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436

Radius: 12.2

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.56 AU - 0.78 AU

Year: 385 Days

Day: 5.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 17,797,540 km

• M1: 151,991 km (0.12 R)
• M2: 586,274 km (0.071 R)
• M3: 999,463 km (0.104 R)
• M4: 1,577,210 km (0.097 R)
• M5: 2,019,422 km (0.03 R)
• M6: 2,562,612 km (0.068 R)
• M7: 3,372,684 km (0.087 R)
• M8: 3,814,297 km (0.108 R)
• M9: 4,243,643 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.3

Radius: 14.3

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.7 AU - 0.78 AU

Year: 447 Days

Day: 11.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 17,797,540 km

• M1: 177,872 km (0.077 R)
• M2: 716,424 km (0.064 R)
• M3: 1,208,302 km (0.083 R)
• M4: 1,854,266 km (0.109 R)
• M5: 3,129,438 km (0.075 R)
• M6: 3,649,141 km (0.107 R)
• M7: 4,326,370 km (0.057 R)
• M8: 5,134,498 km (0.03 R)
• M9: 5,756,975 km (0.065 R)
• M10: 6,524,262 km (0.039 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.2

Radius: 12.3

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.92 AU - 1.2 AU

Year: 767 Days

Day: 10.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 17,797,540 km

• M1: 153,039 km (0.102 R)
• M2: 743,950 km (0.061 R)
• M3: 1,227,899 km (0.038 R)
• M4: 1,686,417 km (0.111 R)
• M5: 2,104,992 km (0.099 R)
• M6: 3,455,860 km (0.101 R)
• M7: 4,881,229 km (0.081 R)
• M8: 5,520,311 km (0.047 R)
• M9: 5,996,481 km (0.057 R)
• M10: 8,133,935 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.9

Radius: 14.6

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.17 AU - 1.77 AU

Year: 1253 Days

Day: 11 Hours

Environment

Temp: -193 °C

Axial Tilt: 100.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 17,797,540 km

• M1: 181,612 km (0.084 R)
• M2: 675,734 km (0.089 R)
• M3: 1,272,629 km (0.118 R)
• M4: 1,804,599 km (0.07 R)
• M5: 2,871,830 km (0.08 R)
• M6: 6,665,782 km (0.113 R)
• M7: 7,379,513 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.5

Radius: 14.8

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.02 AU - 2.34 AU

Year: 2263 Days

Day: 5.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 17,797,540 km

• M1: 200,012 km (0.03 R)
• M2: 660,624 km (0.107 R)
• M3: 1,372,112 km (0.092 R)
• M4: 2,301,713 km (0.07 R)
• M5: 3,514,204 km (0.113 R)
• M6: 5,004,647 km (0.097 R)
• M7: 5,496,375 km (0.114 R)
• M8: 6,688,371 km (0.074 R)
• M9: 7,287,062 km (0.071 R)
• M10: 8,109,401 km (0.054 R)
• M11: 8,791,119 km (0.089 R)
• M12: 10,048,938 km (0.108 R)
• M13: 10,531,540 km (0.114 R)
• M14: 11,304,363 km (0.115 R)
• M15: 11,990,718 km (0.118 R)
• M16: 12,790,768 km (0.072 R)
• M17: 16,555,548 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.6

Radius: 11.2

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.32 AU - 2.74 AU

Year: 2829 Days

Day: 7.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 17,797,540 km

• M1: 139,276 km (0.103 R)
• M2: 493,823 km (0.072 R)
• M3: 859,739 km (0.081 R)
• M4: 1,239,867 km (0.069 R)
• M5: 2,302,760 km (0.062 R)
• M6: 3,232,960 km (0.087 R)
• M7: 3,995,310 km (0.068 R)
• M8: 5,510,737 km (0.079 R)
• M9: 6,202,477 km (0.116 R)
• M10: 6,627,335 km (0.105 R)
• M11: 7,472,563 km (0.101 R)
• M12: 7,921,357 km (0.103 R)
• M13: 9,487,497 km (0.115 R)
• M14: 9,899,789 km (0.065 R)
• M15: 11,167,930 km (0.104 R)
• M16: 11,670,429 km (0.103 R)
• M17: 13,502,105 km (0.112 R)
• M18: 15,881,460 km (0.099 R)
• M19: 17,280,798 km (0.12 R)
• M20: 18,411,908 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740

Radius: 9.5

Gravity: 8.2 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 3.45 AU - 3.93 AU

Year: 4983 Days

Day: 10 Hours

Environment

Temp: -207 °C

Axial Tilt: 138.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 17,797,540 km

• M1: 120,426 km (0.079 R)
• M2: 468,840 km (0.12 R)
• M3: 1,044,343 km (0.095 R)
• M4: 1,875,359 km (0.031 R)
• M5: 2,178,893 km (0.056 R)
• M6: 2,617,963 km (0.05 R)
• M7: 3,057,182 km (0.099 R)
• M8: 3,418,311 km (0.052 R)
• M9: 3,807,864 km (0.092 R)
• M10: 5,880,991 km (0.12 R)
• M11: 6,836,174 km (0.118 R)
• M12: 7,744,682 km (0.115 R)
• M13: 8,771,222 km (0.111 R)
• M14: 9,214,630 km (0.105 R)
• M15: 11,232,556 km (0.054 R)
• M16: 12,097,082 km (0.105 R)
• M17: 13,423,118 km (0.117 R)
• M18: 15,531,999 km (0.106 R)
• M19: 18,565,395 km (0.116 R)
• M20: 20,676,221 km (0.069 R)
• M21: 21,317,996 km (0.12 R)
• M22: 23,940,147 km (0.081 R)
• M23: 25,939,822 km (0.11 R)
• M24: 28,658,763 km (0.109 R)
• M25: 30,726,505 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 17.8

Radius: 7.1

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 6.19 AU - 8.53 AU

Year: 14035 Days

Day: 21.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 17,797,540 km

• M1: 88,412 km (0.079 R)
• M2: 485,445 km (0.119 R)
• M3: 1,400,386 km (0.083 R)
• M4: 4,227,785 km (0.105 R)
• M5: 7,177,556 km (0.094 R)
• M6: 10,361,298 km (0.108 R)
• M7: 11,870,890 km (0.116 R)
• M8: 14,241,119 km (0.063 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 479 - 19,169 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit