🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.2

Radius: 11.1

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.98 AU - 1.38 AU

Year: 828 Days

Day: 9.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 44,398,364 km

• M1: 138,079 km (0.042 R)
• M2: 502,948 km (0.029 R)
• M3: 904,469 km (0.102 R)
• M4: 1,764,656 km (0.116 R)
• M5: 2,212,553 km (0.111 R)
• M6: 2,998,091 km (0.075 R)
• M7: 3,946,093 km (0.115 R)
• M8: 4,420,467 km (0.091 R)
• M9: 4,800,895 km (0.108 R)
• M10: 5,377,445 km (0.117 R)
• M11: 6,095,216 km (0.042 R)
• M12: 6,487,312 km (0.11 R)
• M13: 6,854,724 km (0.044 R)
• M14: 7,498,144 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.1

Radius: 10.5

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.59 AU - 1.85 AU

Year: 1456 Days

Day: 11.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,398,364 km

• M1: 141,669 km (0.12 R)
• M2: 480,508 km (0.064 R)
• M3: 1,065,885 km (0.108 R)
• M4: 2,154,359 km (0.045 R)
• M5: 2,595,224 km (0.095 R)
• M6: 3,120,163 km (0.113 R)
• M7: 4,491,826 km (0.047 R)
• M8: 4,960,965 km (0.099 R)
• M9: 5,698,482 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.3

Radius: 10.9

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.49 AU - 2.53 AU

Year: 2568 Days

Day: 8.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,398,364 km

• M1: 137,480 km (0.107 R)
• M2: 549,772 km (0.115 R)
• M3: 971,638 km (0.093 R)
• M4: 1,582,446 km (0.12 R)
• M5: 1,993,691 km (0.087 R)
• M6: 2,368,433 km (0.108 R)
• M7: 2,942,141 km (0.09 R)
• M8: 3,769,118 km (0.084 R)
• M9: 4,227,636 km (0.083 R)
• M10: 5,280,206 km (0.051 R)
• M11: 6,236,436 km (0.11 R)
• M12: 6,963,482 km (0.068 R)
• M13: 7,567,408 km (0.089 R)
• M14: 9,486,450 km (0.058 R)
• M15: 10,858,113 km (0.106 R)
• M16: 12,275,552 km (0.113 R)
• M17: 13,460,517 km (0.099 R)
• M18: 13,991,141 km (0.053 R)
• M19: 15,909,883 km (0.114 R)
• M20: 16,906,953 km (0.091 R)
• M21: 17,317,300 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.1

Radius: 14.1

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.7 AU - 4.4 AU

Year: 4319 Days

Day: 5.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,398,364 km

• M1: 175,478 km (0.062 R)
• M2: 965,505 km (0.073 R)
• M3: 1,471,594 km (0.09 R)
• M4: 2,370,977 km (0.075 R)
• M5: 4,262,343 km (0.085 R)
• M6: 6,140,843 km (0.068 R)
• M7: 6,866,093 km (0.111 R)
• M8: 7,309,950 km (0.094 R)
• M9: 8,690,440 km (0.096 R)
• M10: 9,715,484 km (0.113 R)
• M11: 10,200,480 km (0.101 R)
• M12: 12,005,828 km (0.107 R)
• M13: 13,051,666 km (0.027 R)
• M14: 14,252,339 km (0.094 R)
• M15: 15,525,417 km (0.05 R)
• M16: 16,034,797 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.6

Radius: 8.7

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 4.03 AU - 5.03 AU

Year: 6225 Days

Day: 10.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 60.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,398,364 km

• M1: 108,159 km (0.093 R)
• M2: 1,006,046 km (0.115 R)
• M3: 1,629,719 km (0.118 R)
• M4: 2,213,300 km (0.073 R)
• M5: 4,103,470 km (0.081 R)
• M6: 4,698,121 km (0.042 R)
• M7: 5,098,295 km (0.104 R)
• M8: 7,503,231 km (0.075 R)
• M9: 7,911,483 km (0.038 R)
• M10: 11,372,879 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.6

Radius: 14.4

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 4.07 AU - 5.67 AU

Year: 6939 Days

Day: 13.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,398,364 km

• M1: 179,517 km (0.115 R)
• M2: 672,143 km (0.117 R)
• M3: 1,269,936 km (0.086 R)
• M4: 2,366,339 km (0.113 R)
• M5: 3,093,534 km (0.115 R)
• M6: 4,472,079 km (0.117 R)
• M7: 6,634,666 km (0.071 R)
• M8: 8,182,854 km (0.09 R)
• M9: 10,442,829 km (0.107 R)
• M10: 10,901,795 km (0.06 R)
• M11: 14,597,012 km (0.115 R)
• M12: 16,366,605 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.2

Radius: 10.9

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 4.42 AU - 6.5 AU

Year: 8238 Days

Day: 9.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 44,398,364 km

• M1: 135,536 km (0.099 R)
• M2: 569,369 km (0.101 R)
• M3: 959,222 km (0.107 R)
• M4: 2,488,411 km (0.067 R)
• M5: 3,097,723 km (0.103 R)
• M6: 3,906,000 km (0.089 R)
• M7: 5,471,542 km (0.108 R)
• M8: 6,395,309 km (0.105 R)
• M9: 7,183,091 km (0.11 R)
• M10: 8,161,312 km (0.11 R)
• M11: 8,506,434 km (0.108 R)
• M12: 9,042,593 km (0.103 R)
• M13: 9,412,399 km (0.117 R)
• M14: 11,203,385 km (0.112 R)
• M15: 12,517,003 km (0.091 R)
• M16: 18,437,938 km (0.111 R)
• M17: 19,796,885 km (0.111 R)
• M18: 21,793,567 km (0.071 R)
• M19: 25,171,039 km (0.115 R)
• M20: 26,746,902 km (0.068 R)
• M21: 27,800,969 km (0.115 R)
• M22: 28,584,862 km (0.078 R)
• M23: 29,182,356 km (0.093 R)
• M24: 30,505,549 km (0.087 R)
• M25: 32,618,769 km (0.076 R)
• M26: 33,821,685 km (0.114 R)
• M27: 37,726,937 km (0.113 R)
• M28: 38,566,780 km (0.06 R)
• M29: 42,307,624 km (0.105 R)
• M30: 44,001,222 km (0.095 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 217 - 12,539 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit