🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.5

Radius: 10.4

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.75 AU - 0.77 AU

Year: 435 Days

Day: 13 Hours

Environment

Temp: -144 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,887,470 km

• M1: 130,898 km (0.096 R)
• M2: 454,478 km (0.042 R)
• M3: 807,081 km (0.037 R)
• M4: 1,238,072 km (0.088 R)
• M5: 1,679,685 km (0.112 R)
• M6: 2,225,418 km (0.081 R)
• M7: 2,589,689 km (0.112 R)
• M8: 3,969,729 km (0.075 R)
• M9: 4,296,301 km (0.096 R)
• M10: 4,730,135 km (0.05 R)
• M11: 5,651,957 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.2

Radius: 10.4

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.86 AU - 1 AU

Year: 588 Days

Day: 11.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,887,470 km

• M1: 148,551 km (0.062 R)
• M2: 479,611 km (0.088 R)
• M3: 1,099,395 km (0.108 R)
• M4: 1,424,621 km (0.081 R)
• M5: 1,758,673 km (0.111 R)
• M6: 2,696,801 km (0.059 R)
• M7: 4,704,703 km (0.044 R)
• M8: 5,968,357 km (0.095 R)
• M9: 6,831,985 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.4

Radius: 8.3

Gravity: 12.45 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.02 AU - 1.54 AU

Year: 950 Days

Day: 11.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 33,887,470 km

• M1: 103,223 km (0.096 R)
• M2: 436,227 km (0.119 R)
• M3: 816,056 km (0.106 R)
• M4: 1,146,817 km (0.089 R)
• M5: 1,507,947 km (0.093 R)
• M6: 1,780,514 km (0.093 R)
• M7: 2,404,038 km (0.103 R)
• M8: 2,666,432 km (0.086 R)
• M9: 3,028,459 km (0.082 R)
• M10: 3,292,649 km (0.028 R)
• M11: 4,078,936 km (0.077 R)
• M12: 4,367,360 km (0.116 R)
• M13: 4,909,503 km (0.095 R)
• M14: 5,275,569 km (0.089 R)
• M15: 5,701,324 km (0.112 R)
• M16: 6,282,363 km (0.049 R)
• M17: 6,691,064 km (0.084 R)
• M18: 6,949,569 km (0.079 R)
• M19: 7,739,745 km (0.068 R)
• M20: 8,236,410 km (0.084 R)
• M21: 9,178,278 km (0.08 R)
• M22: 10,344,992 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.5

Radius: 10.1

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.26 AU - 1.38 AU

Year: 995 Days

Day: 5.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 33,887,470 km

• M1: 125,662 km (0.089 R)
• M2: 840,890 km (0.11 R)
• M3: 1,525,599 km (0.115 R)
• M4: 2,423,785 km (0.066 R)
• M5: 2,892,026 km (0.113 R)
• M6: 3,503,283 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.1

Radius: 9.6

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.77 AU - 1.89 AU

Year: 1624 Days

Day: 5.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,887,470 km

• M1: 119,529 km (0.063 R)
• M2: 450,140 km (0.058 R)
• M3: 957,576 km (0.076 R)
• M4: 1,294,770 km (0.1 R)
• M5: 1,625,530 km (0.113 R)
• M6: 2,035,279 km (0.092 R)
• M7: 2,500,528 km (0.063 R)
• M8: 2,877,216 km (0.081 R)
• M9: 3,513,755 km (0.079 R)
• M10: 4,485,991 km (0.031 R)
• M11: 4,840,389 km (0.057 R)
• M12: 5,472,739 km (0.077 R)
• M13: 6,207,115 km (0.034 R)
• M14: 8,715,422 km (0.12 R)
• M15: 10,244,163 km (0.092 R)
• M16: 12,743,943 km (0.081 R)
• M17: 13,137,236 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.5

Radius: 8.5

Gravity: 7.94 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.96 AU - 2.34 AU

Year: 2068 Days

Day: 14.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 33,887,470 km

• M1: 105,766 km (0.059 R)
• M2: 372,050 km (0.062 R)
• M3: 706,401 km (0.091 R)
• M4: 987,346 km (0.092 R)
• M5: 1,251,835 km (0.095 R)
• M6: 1,526,197 km (0.069 R)
• M7: 1,940,733 km (0.076 R)
• M8: 2,576,823 km (0.054 R)
• M9: 3,042,671 km (0.098 R)
• M10: 3,411,430 km (0.084 R)
• M11: 3,773,905 km (0.03 R)
• M12: 4,086,116 km (0.112 R)
• M13: 4,658,627 km (0.114 R)
• M14: 5,283,498 km (0.101 R)
• M15: 6,673,411 km (0.073 R)
• M16: 6,940,444 km (0.044 R)
• M17: 7,354,231 km (0.077 R)
• M18: 7,726,132 km (0.098 R)
• M19: 8,020,690 km (0.086 R)
• M20: 10,836,720 km (0.037 R)
• M21: 12,325,817 km (0.071 R)
• M22: 14,966,519 km (0.076 R)

Asteroid Belt

Center: 4.45 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 6.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 183.7

Radius: 7.6

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 5.2 AU - 8.28 AU

Year: 11479 Days

Day: 16.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,887,470 km

• M1: 141,968 km (0.091 R)
• M2: 622,477 km (0.086 R)
• M3: 1,320,052 km (0.035 R)
• M4: 1,751,342 km (0.11 R)
• M5: 2,389,676 km (0.066 R)
• M6: 3,973,619 km (0.075 R)
• M7: 4,243,044 km (0.053 R)
• M8: 4,524,588 km (0.083 R)
• M9: 4,984,451 km (0.074 R)
• M10: 5,240,264 km (0.085 R)
• M11: 6,060,958 km (0.028 R)
• M12: 7,916,719 km (0.092 R)
• M13: 10,441,333 km (0.034 R)
• M14: 13,512,577 km (0.109 R)
• M15: 16,008,019 km (0.119 R)
• M16: 16,503,936 km (0.095 R)
• M17: 22,041,750 km (0.075 R)
• M18: 22,655,700 km (0.087 R)
• M19: 27,188,515 km (0.109 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 374 - 15,639 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit