🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.5

Radius: 13.4

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.61 AU - 0.83 AU

Year: 394 Days

Day: 12.3 Hours

Environment

Temp: -130 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,528,660 km

• M1: 166,652 km (0.094 R)
• M2: 807,081 km (0.095 R)
• M3: 1,249,142 km (0.119 R)
• M4: 1,928,765 km (0.108 R)
• M5: 2,401,644 km (0.118 R)
• M6: 2,825,156 km (0.086 R)
• M7: 3,345,906 km (0.105 R)
• M8: 3,813,549 km (0.091 R)
• M9: 4,481,204 km (0.084 R)
• M10: 5,981,072 km (0.028 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.3

Radius: 11.5

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.31 AU - 1.85 AU

Year: 1282 Days

Day: 5.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,528,660 km

• M1: 143,016 km (0.097 R)
• M2: 501,153 km (0.119 R)
• M3: 897,737 km (0.119 R)
• M4: 1,263,055 km (0.11 R)
• M5: 1,759,271 km (0.074 R)
• M6: 2,266,408 km (0.062 R)
• M7: 2,897,412 km (0.097 R)
• M8: 3,789,164 km (0.104 R)
• M9: 4,796,557 km (0.116 R)
• M10: 5,663,177 km (0.028 R)
• M11: 6,343,997 km (0.059 R)
• M12: 7,545,866 km (0.108 R)
• M13: 9,073,111 km (0.063 R)
• M14: 9,751,088 km (0.036 R)
• M15: 10,797,226 km (0.112 R)
• M16: 11,880,464 km (0.096 R)
• M17: 12,281,836 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.9

Radius: 13

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.69 AU - 2.07 AU

Year: 1664 Days

Day: 12.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,528,660 km

• M1: 162,463 km (0.036 R)
• M2: 973,583 km (0.111 R)
• M3: 1,405,622 km (0.084 R)
• M4: 1,827,936 km (0.084 R)
• M5: 2,652,819 km (0.063 R)
• M6: 3,167,286 km (0.111 R)
• M7: 4,518,155 km (0.111 R)
• M8: 5,124,774 km (0.075 R)
• M9: 5,977,183 km (0.119 R)
• M10: 6,605,045 km (0.068 R)
• M11: 8,172,382 km (0.112 R)
• M12: 8,979,014 km (0.083 R)
• M13: 9,434,988 km (0.116 R)
• M14: 9,872,263 km (0.093 R)
• M15: 10,787,502 km (0.042 R)
• M16: 11,303,466 km (0.094 R)
• M17: 13,407,260 km (0.071 R)
• M18: 14,177,839 km (0.087 R)
• M19: 15,068,395 km (0.038 R)
• M20: 15,667,086 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.8

Radius: 15

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.56 AU - 2.72 AU

Year: 2770 Days

Day: 11.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 36,528,660 km

• M1: 193,580 km (0.088 R)
• M2: 1,146,967 km (0.116 R)
• M3: 2,074,922 km (0.119 R)
• M4: 2,578,918 km (0.096 R)
• M5: 3,251,360 km (0.096 R)
• M6: 4,039,143 km (0.095 R)
• M7: 4,998,364 km (0.106 R)
• M8: 8,427,446 km (0.103 R)
• M9: 9,046,034 km (0.116 R)
• M10: 9,584,736 km (0.08 R)
• M11: 10,336,166 km (0.096 R)
• M12: 11,745,826 km (0.102 R)
• M13: 12,828,915 km (0.114 R)
• M14: 13,742,509 km (0.117 R)
• M15: 14,263,110 km (0.106 R)
• M16: 14,944,977 km (0.104 R)
• M17: 16,373,936 km (0.081 R)
• M18: 17,394,343 km (0.094 R)
• M19: 19,443,534 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.4

Radius: 9.4

Gravity: 8.23 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 4.24 AU - 4.94 AU

Year: 6349 Days

Day: 8.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 36,528,660 km

• M1: 116,836 km (0.116 R)
• M2: 469,737 km (0.071 R)
• M3: 771,925 km (0.112 R)
• M4: 1,634,506 km (0.089 R)
• M5: 2,353,025 km (0.111 R)
• M6: 2,920,300 km (0.092 R)
• M7: 3,290,106 km (0.11 R)
• M8: 3,621,914 km (0.064 R)
• M9: 4,074,298 km (0.079 R)
• M10: 6,173,455 km (0.038 R)
• M11: 6,646,035 km (0.1 R)
• M12: 7,855,983 km (0.104 R)
• M13: 8,210,081 km (0.115 R)
• M14: 9,424,217 km (0.114 R)
• M15: 9,779,362 km (0.103 R)
• M16: 10,143,334 km (0.093 R)
• M17: 10,754,292 km (0.085 R)
• M18: 12,520,893 km (0.09 R)
• M19: 13,114,049 km (0.074 R)
• M20: 14,414,802 km (0.117 R)
• M21: 15,491,159 km (0.11 R)
• M22: 19,538,380 km (0.074 R)
• M23: 20,189,729 km (0.117 R)
• M24: 22,387,321 km (0.081 R)
• M25: 24,240,091 km (0.062 R)
• M26: 26,718,928 km (0.075 R)
• M27: 27,611,578 km (0.056 R)
• M28: 28,156,563 km (0.095 R)
• M29: 29,174,427 km (0.119 R)
• M30: 30,698,381 km (0.106 R)
• M31: 33,184,996 km (0.053 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 254.1

Radius: 7

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 5.52 AU - 7.66 AU

Year: 10923 Days

Day: 23.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,528,660 km

• M1: 87,066 km (0.117 R)
• M2: 306,676 km (0.107 R)
• M3: 524,640 km (0.101 R)
• M4: 1,061,098 km (0.11 R)
• M5: 1,519,316 km (0.111 R)
• M6: 3,128,241 km (0.112 R)
• M7: 7,571,447 km (0.101 R)
• M8: 9,417,784 km (0.105 R)
• M9: 11,494,951 km (0.11 R)
• M10: 11,851,443 km (0.076 R)
• M11: 19,597,471 km (0.04 R)
• M12: 20,253,457 km (0.099 R)
• M13: 22,387,920 km (0.106 R)
• M14: 24,001,333 km (0.103 R)
• M15: 29,116,383 km (0.092 R)
• M16: 29,970,138 km (0.083 R)
• M17: 31,134,309 km (0.086 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: 448 - 12,274 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit