🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.6

Radius: 8.8

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.56 AU - 0.76 AU

Year: 358 Days

Day: 7.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,218,742 km

• M1: 109,506 km (0.062 R)
• M2: 507,137 km (0.084 R)
• M3: 1,445,415 km (0.095 R)
• M4: 1,882,390 km (0.084 R)
• M5: 2,215,395 km (0.065 R)
• M6: 3,170,876 km (0.078 R)
• M7: 4,392,193 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.6

Radius: 9.9

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.08 AU - 1.32 AU

Year: 877 Days

Day: 11.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 38,218,742 km

• M1: 128,355 km (0.062 R)
• M2: 462,108 km (0.119 R)
• M3: 797,656 km (0.107 R)
• M4: 1,152,053 km (0.079 R)
• M5: 1,707,211 km (0.109 R)
• M6: 2,167,673 km (0.037 R)
• M7: 2,608,538 km (0.074 R)
• M8: 3,472,466 km (0.095 R)
• M9: 3,917,669 km (0.102 R)
• M10: 6,020,267 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.9

Radius: 8.6

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.13 AU - 1.73 AU

Year: 1140 Days

Day: 10.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,218,742 km

• M1: 106,962 km (0.067 R)
• M2: 451,486 km (0.107 R)
• M3: 720,912 km (0.118 R)
• M4: 1,036,863 km (0.081 R)
• M5: 1,386,473 km (0.105 R)
• M6: 1,814,473 km (0.11 R)
• M7: 2,094,370 km (0.094 R)
• M8: 2,371,126 km (0.042 R)
• M9: 2,790,449 km (0.089 R)
• M10: 3,312,246 km (0.112 R)
• M11: 3,690,280 km (0.031 R)
• M12: 4,466,843 km (0.114 R)
• M13: 6,010,693 km (0.051 R)
• M14: 6,425,378 km (0.034 R)
• M15: 7,760,689 km (0.045 R)
• M16: 8,791,568 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.4

Radius: 10.1

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.3 AU - 1.82 AU

Year: 1299 Days

Day: 14.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,218,742 km

• M1: 125,662 km (0.071 R)
• M2: 461,509 km (0.047 R)
• M3: 841,039 km (0.076 R)
• M4: 1,219,223 km (0.069 R)
• M5: 2,057,120 km (0.06 R)
• M6: 3,328,553 km (0.099 R)
• M7: 4,006,081 km (0.111 R)
• M8: 4,716,522 km (0.088 R)
• M9: 7,305,612 km (0.099 R)
• M10: 7,796,891 km (0.111 R)
• M11: 8,730,681 km (0.117 R)
• M12: 9,195,183 km (0.109 R)
• M13: 10,364,739 km (0.112 R)
• M14: 10,753,993 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.2

Radius: 14.9

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.52 AU - 2.44 AU

Year: 1858 Days

Day: 8.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,218,742 km

• M1: 185,352 km (0.106 R)
• M2: 676,033 km (0.102 R)
• M3: 1,271,432 km (0.118 R)
• M4: 1,894,059 km (0.055 R)
• M5: 2,690,817 km (0.075 R)
• M6: 3,168,483 km (0.102 R)
• M7: 3,859,625 km (0.042 R)
• M8: 4,609,858 km (0.113 R)
• M9: 5,822,499 km (0.107 R)
• M10: 6,428,520 km (0.084 R)
• M11: 6,943,585 km (0.038 R)
• M12: 7,514,002 km (0.037 R)
• M13: 8,323,326 km (0.04 R)
• M14: 8,842,581 km (0.113 R)
• M15: 9,481,214 km (0.058 R)
• M16: 10,322,851 km (0.115 R)
• M17: 11,213,707 km (0.105 R)
• M18: 13,354,004 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447

Radius: 12

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.06 AU - 2.9 AU

Year: 2604 Days

Day: 12 Hours

Environment

Temp: -199 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,218,742 km

• M1: 150,196 km (0.061 R)
• M2: 674,537 km (0.116 R)
• M3: 1,123,330 km (0.047 R)
• M4: 2,391,771 km (0.12 R)
• M5: 2,854,926 km (0.104 R)
• M6: 3,565,964 km (0.101 R)
• M7: 4,135,334 km (0.038 R)
• M8: 5,069,423 km (0.115 R)
• M9: 5,694,293 km (0.059 R)
• M10: 6,088,484 km (0.103 R)
• M11: 6,741,030 km (0.09 R)
• M12: 7,468,674 km (0.116 R)
• M13: 8,279,045 km (0.1 R)
• M14: 9,113,951 km (0.081 R)
• M15: 10,039,364 km (0.085 R)
• M16: 11,838,128 km (0.081 R)
• M17: 12,401,065 km (0.059 R)
• M18: 14,197,586 km (0.072 R)
• M19: 15,630,584 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 180

Radius: 6.5

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 5.87 AU - 9.27 AU

Year: 13889 Days

Day: 22.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 38,218,742 km

• M1: 80,783 km (0.101 R)
• M2: 322,383 km (0.087 R)
• M3: 550,969 km (0.099 R)
• M4: 839,842 km (0.101 R)
• M5: 1,120,937 km (0.12 R)
• M6: 1,377,946 km (0.103 R)
• M7: 1,633,310 km (0.114 R)
• M8: 1,966,015 km (0.099 R)
• M9: 2,173,507 km (0.08 R)
• M10: 2,946,928 km (0.111 R)
• M11: 4,040,489 km (0.102 R)
• M12: 4,706,499 km (0.092 R)
• M13: 4,963,358 km (0.075 R)
• M14: 5,351,116 km (0.073 R)
• M15: 7,873,785 km (0.108 R)
• M16: 8,401,267 km (0.03 R)
• M17: 13,331,115 km (0.1 R)
• M18: 15,100,858 km (0.095 R)
• M19: 23,918,007 km (0.104 R)
• M20: 25,542,789 km (0.067 R)
• M21: 27,606,342 km (0.089 R)
• M22: 28,349,395 km (0.07 R)
• M23: 30,167,458 km (0.075 R)
• M24: 30,658,438 km (0.107 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 346 - 10,361 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit