🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.6

Radius: 8.3

Gravity: 11.75 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.41 AU - 0.61 AU

Year: 251 Days

Day: 9.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 87,389,011 km

• M1: 103,223 km (0.097 R)
• M2: 376,987 km (0.099 R)
• M3: 693,386 km (0.088 R)
• M4: 953,238 km (0.112 R)
• M5: 1,231,938 km (0.115 R)
• M6: 1,616,405 km (0.066 R)
• M7: 2,118,156 km (0.082 R)
• M8: 2,418,698 km (0.069 R)
• M9: 3,006,618 km (0.107 R)
• M10: 3,562,673 km (0.105 R)
• M11: 3,918,716 km (0.102 R)
• M12: 4,349,109 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.4

Radius: 11.9

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.81 AU - 1.09 AU

Year: 639 Days

Day: 12.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 87,389,011 km

• M1: 148,102 km (0.068 R)
• M2: 524,341 km (0.049 R)
• M3: 1,183,170 km (0.07 R)
• M4: 1,816,417 km (0.118 R)
• M5: 3,725,585 km (0.091 R)
• M6: 4,243,643 km (0.11 R)
• M7: 5,291,426 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.3

Radius: 13.5

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.57 AU - 2.11 AU

Year: 1723 Days

Day: 5.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 87,389,011 km

• M1: 167,849 km (0.111 R)
• M2: 663,317 km (0.064 R)
• M3: 1,104,032 km (0.068 R)
• M4: 1,863,989 km (0.06 R)
• M5: 2,386,684 km (0.075 R)
• M6: 3,879,372 km (0.103 R)
• M7: 4,686,004 km (0.081 R)
• M8: 5,311,024 km (0.089 R)
• M9: 6,422,087 km (0.046 R)
• M10: 7,397,764 km (0.086 R)
• M11: 8,029,067 km (0.098 R)
• M12: 8,497,907 km (0.104 R)
• M13: 9,102,282 km (0.062 R)
• M14: 9,581,893 km (0.102 R)
• M15: 10,822,209 km (0.113 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 521.9

Radius: 7.3

Gravity: 9.79 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 8.25 AU - 9.29 AU

Year: 17927 Days

Day: 17.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 87,389,011 km

• M1: 99,333 km (0.114 R)
• M2: 380,577 km (0.085 R)
• M3: 928,105 km (0.045 R)
• M4: 1,507,049 km (0.118 R)
• M5: 2,107,236 km (0.035 R)
• M6: 2,856,871 km (0.111 R)
• M7: 3,151,279 km (0.051 R)
• M8: 6,411,466 km (0.106 R)
• M9: 7,360,215 km (0.113 R)
• M10: 7,588,352 km (0.109 R)
• M11: 10,707,767 km (0.069 R)
• M12: 13,543,993 km (0.033 R)
• M13: 14,734,493 km (0.096 R)
• M14: 18,220,273 km (0.078 R)
• M15: 19,494,547 km (0.084 R)
• M16: 21,192,633 km (0.088 R)
• M17: 23,672,816 km (0.095 R)
• M18: 24,982,545 km (0.073 R)
• M19: 25,291,614 km (0.041 R)
• M20: 39,016,172 km (0.025 R)
• M21: 54,363,118 km (0.104 R)
• M22: 56,282,459 km (0.038 R)
• M23: 57,886,148 km (0.063 R)
• M24: 60,071,474 km (0.079 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 808.6

Radius: 4.5

Gravity: 39.93 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 7.65 AU - 11.51 AU

Year: 20467 Days

Day: 22.9 Hours

Environment

Temp: -244 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 87,389,011 km

• M1: 56,548 km (0.094 R)
• M2: 252,372 km (0.079 R)
• M3: 429,196 km (0.041 R)
• M4: 615,745 km (0.091 R)
• M5: 790,326 km (0.111 R)
• M6: 1,285,644 km (0.105 R)
• M7: 2,129,825 km (0.096 R)
• M8: 3,349,048 km (0.119 R)
• M9: 8,801,890 km (0.093 R)
• M10: 9,251,282 km (0.071 R)
• M11: 9,423,619 km (0.096 R)
• M12: 10,881,151 km (0.034 R)
• M13: 11,596,827 km (0.067 R)
• M14: 14,158,242 km (0.081 R)
• M15: 14,618,854 km (0.033 R)
• M16: 18,853,670 km (0.066 R)
• M17: 21,448,595 km (0.083 R)
• M18: 25,489,832 km (0.118 R)
• M19: 28,287,461 km (0.113 R)
• M20: 31,154,355 km (0.113 R)
• M21: 34,346,026 km (0.062 R)
• M22: 35,597,113 km (0.078 R)
• M23: 38,931,499 km (0.027 R)
• M24: 39,834,323 km (0.114 R)
• M25: 43,424,821 km (0.12 R)
• M26: 45,546,717 km (0.065 R)
• M27: 50,349,407 km (0.103 R)
• M28: 51,962,072 km (0.052 R)
• M29: 52,143,385 km (0.096 R)
• M30: 56,430,112 km (0.073 R)
• M31: 57,779,934 km (0.1 R)
• M32: 62,982,050 km (0.082 R)
• M33: 65,484,972 km (0.064 R)
• M34: 78,044,760 km (0.099 R)
• M35: 78,282,471 km (0.087 R)
• M36: 80,444,161 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 772.3

Radius: 7.1

Gravity: 15.32 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 10.02 AU - 10.8 AU

Year: 23184 Days

Day: 24.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 87,389,011 km

• M1: 108,159 km (0.118 R)
• M2: 502,200 km (0.119 R)
• M3: 968,048 km (0.119 R)
• M4: 2,004,761 km (0.085 R)
• M5: 3,030,254 km (0.025 R)
• M6: 3,961,052 km (0.066 R)
• M7: 4,546,279 km (0.052 R)
• M8: 5,759,817 km (0.105 R)
• M9: 6,327,990 km (0.045 R)
• M10: 7,781,333 km (0.075 R)
• M11: 8,043,578 km (0.064 R)
• M12: 13,834,961 km (0.112 R)
• M13: 15,750,561 km (0.103 R)
• M14: 16,684,950 km (0.074 R)
• M15: 17,655,840 km (0.104 R)
• M16: 19,613,029 km (0.09 R)
• M17: 24,174,118 km (0.095 R)
• M18: 43,623,188 km (0.086 R)
• M19: 46,140,621 km (0.12 R)
• M20: 47,522,157 km (0.097 R)
• M21: 49,825,516 km (0.067 R)
• M22: 50,913,242 km (0.046 R)
• M23: 53,324,311 km (0.083 R)
• M24: 56,199,582 km (0.047 R)
• M25: 59,784,395 km (0.105 R)
• M26: 62,257,099 km (0.11 R)
• M27: 76,125,868 km (0.09 R)
• M28: 80,755,025 km (0.056 R)
• M29: 81,502,715 km (0.112 R)
• M30: 84,028,376 km (0.116 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 508 - 14,753 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit