🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.5

Radius: 8.4

Gravity: 12.75 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.4 AU - 0.66 AU

Year: 266 Days

Day: 13.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 149.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,973,286 km

• M1: 104,419 km (0.091 R)
• M2: 419,921 km (0.1 R)
• M3: 686,953 km (0.118 R)
• M4: 1,088,025 km (0.044 R)
• M5: 1,581,997 km (0.102 R)
• M6: 1,974,094 km (0.109 R)
• M7: 2,492,001 km (0.096 R)
• M8: 2,895,317 km (0.112 R)
• M9: 3,170,428 km (0.032 R)
• M10: 3,930,086 km (0.096 R)
• M11: 4,681,217 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.9

Radius: 14.6

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.47 AU - 0.75 AU

Year: 329 Days

Day: 5.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 38,973,286 km

• M1: 181,612 km (0.087 R)
• M2: 774,019 km (0.104 R)
• M3: 1,697,637 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.1

Radius: 8.5

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.88 AU - 0.92 AU

Year: 589 Days

Day: 7.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,973,286 km

• M1: 105,766 km (0.118 R)
• M2: 390,899 km (0.108 R)
• M3: 723,754 km (0.079 R)
• M4: 1,031,029 km (0.062 R)
• M5: 1,358,797 km (0.068 R)
• M6: 1,967,362 km (0.055 R)
• M7: 2,325,349 km (0.105 R)
• M8: 2,786,260 km (0.088 R)
• M9: 3,261,982 km (0.075 R)
• M10: 3,741,592 km (0.047 R)
• M11: 4,444,403 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.5

Radius: 14.6

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.04 AU - 1.04 AU

Year: 732 Days

Day: 8.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,973,286 km

• M1: 181,612 km (0.092 R)
• M2: 662,419 km (0.062 R)
• M3: 1,206,357 km (0.108 R)
• M4: 1,687,614 km (0.093 R)
• M5: 2,205,970 km (0.109 R)
• M6: 3,197,804 km (0.1 R)
• M7: 3,785,125 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.7

Radius: 8.6

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.3 AU - 3.2 AU

Year: 3148 Days

Day: 9.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,973,286 km

• M1: 106,962 km (0.119 R)
• M2: 401,820 km (0.119 R)
• M3: 707,897 km (0.072 R)
• M4: 1,247,497 km (0.093 R)
• M5: 1,772,884 km (0.119 R)
• M6: 2,399,400 km (0.11 R)
• M7: 3,230,117 km (0.109 R)
• M8: 3,511,960 km (0.089 R)
• M9: 4,786,982 km (0.038 R)
• M10: 5,379,689 km (0.114 R)
• M11: 5,946,665 km (0.074 R)
• M12: 6,219,531 km (0.11 R)
• M13: 6,817,325 km (0.088 R)
• M14: 8,279,494 km (0.026 R)
• M15: 8,938,323 km (0.12 R)
• M16: 9,974,438 km (0.11 R)
• M17: 10,431,908 km (0.102 R)
• M18: 10,720,333 km (0.054 R)
• M19: 13,223,704 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 570.5

Radius: 4.7

Gravity: 25.83 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 5.31 AU - 5.89 AU

Year: 9147 Days

Day: 20.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,973,286 km

• M1: 58,493 km (0.107 R)
• M2: 238,908 km (0.051 R)
• M3: 468,541 km (0.104 R)
• M4: 960,418 km (0.079 R)
• M5: 1,488,499 km (0.094 R)
• M6: 2,122,046 km (0.062 R)
• M7: 2,499,182 km (0.064 R)
• M8: 2,961,888 km (0.066 R)
• M9: 4,003,389 km (0.098 R)
• M10: 6,778,130 km (0.087 R)
• M11: 7,672,127 km (0.052 R)
• M12: 10,924,534 km (0.104 R)
• M13: 14,060,405 km (0.092 R)
• M14: 22,279,162 km (0.114 R)
• M15: 26,028,683 km (0.086 R)
• M16: 28,683,896 km (0.115 R)
• M17: 29,474,371 km (0.085 R)
• M18: 32,461,990 km (0.092 R)
• M19: 35,985,917 km (0.072 R)
• M20: 39,756,532 km (0.093 R)
• M21: 40,491,656 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 363.2

Radius: 6.2

Gravity: 9.45 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 5.77 AU - 6.17 AU

Year: 10069 Days

Day: 22.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 38,973,286 km

• M1: 79,586 km (0.102 R)
• M2: 397,631 km (0.103 R)
• M3: 642,074 km (0.087 R)
• M4: 859,889 km (0.12 R)
• M5: 1,180,626 km (0.095 R)
• M6: 2,015,532 km (0.084 R)
• M7: 2,437,996 km (0.037 R)
• M8: 2,641,898 km (0.115 R)
• M9: 2,917,906 km (0.089 R)
• M10: 3,413,075 km (0.04 R)
• M11: 5,328,377 km (0.06 R)
• M12: 6,478,186 km (0.082 R)
• M13: 7,055,335 km (0.104 R)
• M14: 7,280,480 km (0.119 R)
• M15: 7,666,143 km (0.119 R)
• M16: 8,229,080 km (0.115 R)
• M17: 8,562,982 km (0.066 R)
• M18: 9,618,844 km (0.115 R)
• M19: 10,611,725 km (0.12 R)
• M20: 16,618,079 km (0.045 R)
• M21: 18,677,743 km (0.109 R)
• M22: 18,892,565 km (0.116 R)
• M23: 20,671,733 km (0.072 R)
• M24: 21,444,855 km (0.088 R)
• M25: 22,721,822 km (0.07 R)
• M26: 26,403,426 km (0.102 R)
• M27: 31,565,749 km (0.081 R)
• M28: 31,768,903 km (0.103 R)
• M29: 33,215,514 km (0.102 R)
• M30: 35,906,930 km (0.094 R)
• M31: 37,249,122 km (0.101 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 247 - 14,605 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit