🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.7

Radius: 9.2

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.55 AU - 0.73 AU

Year: 347 Days

Day: 5.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,286,634 km

• M1: 114,442 km (0.116 R)
• M2: 403,615 km (0.072 R)
• M3: 761,902 km (0.117 R)
• M4: 1,071,570 km (0.116 R)
• M5: 1,363,585 km (0.083 R)
• M6: 1,796,670 km (0.098 R)
• M7: 2,487,214 km (0.05 R)
• M8: 2,846,548 km (0.074 R)
• M9: 3,494,157 km (0.117 R)
• M10: 3,783,929 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.4

Radius: 13.5

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.82 AU - 1 AU

Year: 589 Days

Day: 11 Hours

Environment

Temp: -161 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,286,634 km

• M1: 169,494 km (0.092 R)
• M2: 666,907 km (0.091 R)
• M3: 1,149,360 km (0.038 R)
• M4: 1,840,054 km (0.083 R)
• M5: 2,400,148 km (0.116 R)
• M6: 3,789,613 km (0.089 R)
• M7: 5,201,668 km (0.11 R)
• M8: 6,037,172 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.6

Radius: 11

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.54 AU - 2.48 AU

Year: 1933 Days

Day: 5.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,286,634 km

• M1: 137,032 km (0.115 R)
• M2: 936,034 km (0.026 R)
• M3: 1,294,171 km (0.081 R)
• M4: 1,797,867 km (0.083 R)
• M5: 2,340,010 km (0.084 R)
• M6: 2,798,228 km (0.086 R)
• M7: 3,204,386 km (0.111 R)
• M8: 4,231,226 km (0.03 R)
• M9: 5,579,402 km (0.092 R)
• M10: 7,031,848 km (0.084 R)
• M11: 8,816,251 km (0.118 R)
• M12: 9,200,119 km (0.113 R)
• M13: 10,208,708 km (0.1 R)
• M14: 10,884,741 km (0.118 R)
• M15: 11,326,803 km (0.108 R)
• M16: 11,742,685 km (0.105 R)
• M17: 12,168,590 km (0.071 R)
• M18: 12,564,875 km (0.094 R)
• M19: 14,019,864 km (0.054 R)
• M20: 14,676,598 km (0.111 R)
• M21: 15,080,513 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.3

Radius: 9.7

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.71 AU - 2.47 AU

Year: 2049 Days

Day: 12.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 44,286,634 km

• M1: 122,521 km (0.083 R)
• M2: 436,227 km (0.076 R)
• M3: 1,031,926 km (0.118 R)
• M4: 1,670,111 km (0.089 R)
• M5: 2,462,531 km (0.114 R)
• M6: 2,879,759 km (0.101 R)
• M7: 3,312,246 km (0.066 R)
• M8: 4,178,568 km (0.055 R)
• M9: 4,655,187 km (0.076 R)
• M10: 5,559,655 km (0.112 R)
• M11: 6,160,889 km (0.037 R)
• M12: 6,627,186 km (0.097 R)
• M13: 7,090,490 km (0.111 R)
• M14: 7,797,939 km (0.072 R)
• M15: 8,432,533 km (0.117 R)
• M16: 11,908,589 km (0.112 R)
• M17: 12,362,918 km (0.102 R)
• M18: 13,265,890 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.9

Radius: 12.8

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 3.16 AU - 3.9 AU

Year: 4498 Days

Day: 10.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,286,634 km

• M1: 159,471 km (0.053 R)
• M2: 566,378 km (0.09 R)
• M3: 1,448,407 km (0.109 R)
• M4: 3,658,715 km (0.097 R)
• M5: 4,304,529 km (0.089 R)
• M6: 9,561,698 km (0.1 R)
• M7: 11,359,415 km (0.088 R)
• M8: 12,647,303 km (0.075 R)
• M9: 13,280,701 km (0.109 R)
• M10: 15,614,128 km (0.051 R)
• M11: 18,494,785 km (0.102 R)
• M12: 19,134,465 km (0.087 R)
• M13: 20,891,343 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.4

Radius: 10.9

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 4.57 AU - 6.25 AU

Year: 8535 Days

Day: 13 Hours

Environment

Temp: -216 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 44,286,634 km

• M1: 135,835 km (0.099 R)
• M2: 540,647 km (0.041 R)
• M3: 949,647 km (0.089 R)
• M4: 1,885,382 km (0.081 R)
• M5: 2,227,811 km (0.117 R)
• M6: 2,831,439 km (0.115 R)
• M7: 3,239,542 km (0.113 R)
• M8: 3,811,155 km (0.052 R)
• M9: 6,250,797 km (0.11 R)
• M10: 7,694,716 km (0.096 R)
• M11: 10,162,333 km (0.119 R)
• M12: 10,815,028 km (0.119 R)
• M13: 11,873,433 km (0.114 R)
• M14: 13,115,993 km (0.028 R)
• M15: 13,889,714 km (0.034 R)
• M16: 14,318,910 km (0.097 R)
• M17: 15,398,109 km (0.052 R)
• M18: 17,222,455 km (0.064 R)
• M19: 20,105,655 km (0.089 R)
• M20: 20,973,921 km (0.044 R)
• M21: 21,784,592 km (0.063 R)
• M22: 25,057,045 km (0.088 R)
• M23: 26,715,786 km (0.078 R)
• M24: 27,764,916 km (0.064 R)
• M25: 32,666,341 km (0.108 R)
• M26: 39,322,399 km (0.114 R)
• M27: 41,812,455 km (0.117 R)
• M28: 42,194,827 km (0.04 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 261.3

Radius: 7.2

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 6.56 AU - 8.76 AU

Year: 14379 Days

Day: 20.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 44,286,634 km

• M1: 89,609 km (0.069 R)
• M2: 322,383 km (0.079 R)
• M3: 771,925 km (0.057 R)
• M4: 1,134,401 km (0.091 R)
• M5: 1,751,193 km (0.079 R)
• M6: 2,083,599 km (0.12 R)
• M7: 2,631,427 km (0.084 R)
• M8: 2,960,841 km (0.1 R)
• M9: 4,307,820 km (0.045 R)
• M10: 5,417,687 km (0.113 R)
• M11: 5,815,468 km (0.094 R)
• M12: 6,706,772 km (0.12 R)
• M13: 9,028,979 km (0.092 R)
• M14: 9,779,961 km (0.116 R)
• M15: 12,115,483 km (0.08 R)
• M16: 12,339,580 km (0.064 R)
• M17: 13,742,659 km (0.116 R)
• M18: 13,986,503 km (0.032 R)
• M19: 14,357,656 km (0.086 R)
• M20: 17,001,948 km (0.06 R)
• M21: 17,999,317 km (0.092 R)
• M22: 23,317,671 km (0.118 R)
• M23: 24,015,395 km (0.111 R)
• M24: 24,458,354 km (0.114 R)
• M25: 24,726,882 km (0.094 R)
• M26: 26,850,723 km (0.101 R)
• M27: 28,993,264 km (0.073 R)
• M28: 32,201,989 km (0.029 R)
• M29: 33,725,643 km (0.079 R)
• M30: 34,617,695 km (0.025 R)
• M31: 35,296,870 km (0.081 R)
• M32: 41,433,374 km (0.095 R)
• M33: 41,687,541 km (0.087 R)
• M34: 43,626,928 km (0.096 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 332 - 18,153 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit