🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.5

Radius: 8.2

Gravity: 13.9 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.51 AU - 0.57 AU

Year: 265 Days

Day: 9.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,103,016 km

• M1: 102,026 km (0.063 R)
• M2: 380,128 km (0.076 R)
• M3: 675,883 km (0.087 R)
• M4: 1,079,797 km (0.117 R)
• M5: 1,423,873 km (0.05 R)
• M6: 1,706,613 km (0.064 R)
• M7: 2,194,152 km (0.081 R)
• M8: 2,752,451 km (0.053 R)
• M9: 3,029,506 km (0.114 R)
• M10: 3,314,341 km (0.116 R)
• M11: 3,675,171 km (0.092 R)
• M12: 4,024,632 km (0.107 R)
• M13: 4,449,190 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.1

Radius: 14.4

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.68 AU - 0.84 AU

Year: 442 Days

Day: 13.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,103,016 km

• M1: 179,069 km (0.084 R)
• M2: 715,377 km (0.102 R)
• M3: 1,194,389 km (0.079 R)
• M4: 1,765,105 km (0.111 R)
• M5: 2,302,162 km (0.055 R)
• M6: 2,756,341 km (0.101 R)
• M7: 3,248,967 km (0.054 R)
• M8: 4,028,072 km (0.114 R)
• M9: 4,825,878 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.6

Radius: 10.7

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.82 AU - 1.1 AU

Year: 627 Days

Day: 14.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 88 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,103,016 km

• M1: 136,732 km (0.099 R)
• M2: 480,957 km (0.091 R)
• M3: 843,433 km (0.093 R)
• M4: 1,310,178 km (0.087 R)
• M5: 1,879,697 km (0.065 R)
• M6: 2,357,962 km (0.048 R)
• M7: 2,807,952 km (0.074 R)
• M8: 3,163,845 km (0.111 R)
• M9: 3,596,183 km (0.059 R)
• M10: 4,005,184 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.3

Radius: 8.8

Gravity: 11.5 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.16 AU - 1.28 AU

Year: 899 Days

Day: 9 Hours

Environment

Temp: -180 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,103,016 km

• M1: 109,506 km (0.112 R)
• M2: 398,379 km (0.055 R)
• M3: 1,012,329 km (0.079 R)
• M4: 1,511,537 km (0.114 R)
• M5: 1,933,253 km (0.084 R)
• M6: 2,264,014 km (0.063 R)
• M7: 2,857,469 km (0.119 R)
• M8: 3,163,546 km (0.087 R)
• M9: 4,561,089 km (0.11 R)
• M10: 5,075,706 km (0.074 R)
• M11: 5,648,965 km (0.099 R)
• M12: 6,264,710 km (0.05 R)
• M13: 6,691,962 km (0.109 R)
• M14: 6,971,710 km (0.12 R)
• M15: 7,259,237 km (0.088 R)
• M16: 8,275,455 km (0.03 R)
• M17: 8,680,117 km (0.065 R)
• M18: 9,041,546 km (0.113 R)
• M19: 9,675,841 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.4

Radius: 9.9

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.59 AU - 1.71 AU

Year: 1413 Days

Day: 8.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 71,103,016 km

• M1: 123,119 km (0.041 R)
• M2: 444,006 km (0.115 R)
• M3: 820,245 km (0.084 R)
• M4: 1,133,353 km (0.102 R)
• M5: 1,536,969 km (0.038 R)
• M6: 2,481,679 km (0.084 R)
• M7: 2,831,738 km (0.085 R)
• M8: 3,494,457 km (0.042 R)
• M9: 4,344,771 km (0.103 R)
• M10: 5,166,961 km (0.086 R)
• M11: 5,573,568 km (0.109 R)
• M12: 7,093,632 km (0.076 R)
• M13: 8,930,394 km (0.079 R)
• M14: 9,250,085 km (0.114 R)
• M15: 9,577,555 km (0.093 R)
• M16: 11,031,347 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.2

Radius: 9.5

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.85 AU - 3.05 AU

Year: 2557 Days

Day: 10.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,103,016 km

• M1: 121,324 km (0.056 R)
• M2: 581,487 km (0.074 R)
• M3: 885,919 km (0.099 R)
• M4: 1,206,956 km (0.075 R)
• M5: 1,650,663 km (0.052 R)
• M6: 2,094,370 km (0.076 R)
• M7: 2,531,794 km (0.059 R)
• M8: 2,975,352 km (0.06 R)
• M9: 3,396,320 km (0.092 R)
• M10: 3,777,047 km (0.034 R)
• M11: 4,883,922 km (0.09 R)
• M12: 5,290,529 km (0.049 R)
• M13: 5,846,434 km (0.117 R)
• M14: 6,193,950 km (0.114 R)
• M15: 8,385,858 km (0.114 R)
• M16: 9,671,054 km (0.119 R)
• M17: 10,189,261 km (0.056 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.3

Radius: 14.3

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.31 AU - 4.43 AU

Year: 5077 Days

Day: 7.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,103,016 km

• M1: 177,872 km (0.05 R)
• M2: 1,363,285 km (0.079 R)
• M3: 2,208,663 km (0.117 R)
• M4: 2,838,320 km (0.115 R)
• M5: 4,511,423 km (0.118 R)
• M6: 8,443,304 km (0.108 R)
• M7: 9,868,672 km (0.109 R)
• M8: 10,507,754 km (0.117 R)
• M9: 11,265,617 km (0.092 R)
• M10: 13,142,023 km (0.12 R)
• M11: 18,191,550 km (0.11 R)
• M12: 18,829,435 km (0.066 R)
• M13: 22,975,989 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 928.8

Radius: 7.1

Gravity: 18.42 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 6.93 AU - 9.37 AU

Year: 15516 Days

Day: 20 Hours

Environment

Temp: -241 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 71,103,016 km

• M1: 89,759 km (0.119 R)
• M2: 575,353 km (0.089 R)
• M3: 897,138 km (0.113 R)
• M4: 1,145,471 km (0.104 R)
• M5: 1,501,663 km (0.117 R)
• M6: 2,063,852 km (0.1 R)
• M7: 2,481,380 km (0.116 R)
• M8: 2,782,072 km (0.113 R)
• M9: 3,598,577 km (0.099 R)
• M10: 3,984,988 km (0.11 R)
• M11: 5,163,969 km (0.052 R)
• M12: 6,178,990 km (0.104 R)
• M13: 7,461,194 km (0.113 R)
• M14: 8,189,885 km (0.107 R)
• M15: 9,731,790 km (0.05 R)
• M16: 10,073,472 km (0.087 R)
• M17: 10,600,954 km (0.111 R)
• M18: 11,458,000 km (0.081 R)
• M19: 13,239,711 km (0.102 R)
• M20: 20,227,577 km (0.079 R)
• M21: 25,397,978 km (0.041 R)
• M22: 25,720,661 km (0.03 R)
• M23: 32,889,241 km (0.12 R)
• M24: 34,178,775 km (0.069 R)
• M25: 39,530,789 km (0.101 R)
• M26: 48,318,018 km (0.063 R)
• M27: 49,479,496 km (0.091 R)
• M28: 61,166,979 km (0.108 R)
• M29: 63,114,145 km (0.116 R)
• M30: 65,303,211 km (0.1 R)
• M31: 68,993,790 km (0.036 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 318 - 15,508 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit