🌌 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: 264.3

Radius: 10.3

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.47 AU - 0.55 AU

Year: 243 Days

Day: 11 Hours

Environment

Temp: -130 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,953,970 km

• M1: 128,056 km (0.093 R)
• M2: 449,392 km (0.07 R)
• M3: 775,815 km (0.032 R)
• M4: 1,112,859 km (0.085 R)
• M5: 1,550,133 km (0.114 R)
• M6: 1,951,953 km (0.111 R)
• M7: 2,278,974 km (0.088 R)
• M8: 2,690,069 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.4

Radius: 15

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.39 AU - 2.31 AU

Year: 1678 Days

Day: 14.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,953,970 km

• M1: 186,698 km (0.09 R)
• M2: 787,483 km (0.104 R)
• M3: 1,438,683 km (0.059 R)
• M4: 2,851,934 km (0.058 R)
• M5: 3,670,384 km (0.083 R)
• M6: 4,306,175 km (0.037 R)
• M7: 5,707,009 km (0.113 R)
• M8: 6,462,179 km (0.079 R)
• M9: 6,957,348 km (0.115 R)
• M10: 8,083,671 km (0.106 R)
• M11: 9,230,937 km (0.1 R)
• M12: 10,308,490 km (0.057 R)
• M13: 12,433,677 km (0.1 R)
• M14: 13,790,231 km (0.087 R)
• M15: 15,062,112 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.7

Radius: 10.3

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 3.04 AU - 3.36 AU

Year: 3817 Days

Day: 11.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 54,953,970 km

• M1: 215,122 km (0.038 R)
• M2: 1,235,978 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.5

Radius: 11

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 4.86 AU - 5.98 AU

Year: 8415 Days

Day: 14.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,953,970 km

• M1: 137,181 km (0.077 R)
• M2: 540,946 km (0.038 R)
• M3: 1,355,806 km (0.073 R)
• M4: 3,079,622 km (0.093 R)
• M5: 4,005,333 km (0.116 R)
• M6: 4,455,025 km (0.077 R)
• M7: 5,698,332 km (0.042 R)
• M8: 6,636,012 km (0.099 R)
• M9: 7,304,266 km (0.101 R)
• M10: 9,320,695 km (0.12 R)
• M11: 13,853,810 km (0.059 R)
• M12: 17,299,049 km (0.07 R)
• M13: 21,577,698 km (0.086 R)
• M14: 22,340,647 km (0.047 R)
• M15: 22,885,482 km (0.082 R)
• M16: 27,834,479 km (0.065 R)
• M17: 28,465,333 km (0.115 R)
• M18: 28,921,756 km (0.036 R)
• M19: 31,084,493 km (0.093 R)
• M20: 31,763,517 km (0.101 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 686.6

Radius: 7.7

Gravity: 11.58 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 7.21 AU - 8.69 AU

Year: 14948 Days

Day: 17.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 54,953,970 km

• M1: 97,239 km (0.04 R)
• M2: 454,927 km (0.118 R)
• M3: 1,820,456 km (0.053 R)
• M4: 2,780,426 km (0.082 R)
• M5: 3,041,624 km (0.049 R)
• M6: 3,810,108 km (0.097 R)
• M7: 4,194,126 km (0.097 R)
• M8: 4,443,057 km (0.109 R)
• M9: 7,195,358 km (0.098 R)
• M10: 9,156,736 km (0.107 R)
• M11: 11,692,121 km (0.033 R)
• M12: 13,824,938 km (0.079 R)
• M13: 15,019,177 km (0.098 R)
• M14: 15,456,751 km (0.073 R)
• M15: 16,820,186 km (0.088 R)
• M16: 21,298,548 km (0.114 R)
• M17: 28,460,397 km (0.12 R)
• M18: 29,469,434 km (0.097 R)
• M19: 32,396,915 km (0.117 R)
• M20: 37,875,937 km (0.101 R)
• M21: 38,959,175 km (0.113 R)
• M22: 39,785,105 km (0.087 R)
• M23: 42,332,757 km (0.076 R)
• M24: 44,686,978 km (0.09 R)
• M25: 45,591,746 km (0.105 R)
• M26: 57,776,792 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 424.1

Radius: 5.6

Gravity: 13.52 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 6.77 AU - 9.59 AU

Year: 15601 Days

Day: 18.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 54,953,970 km

• M1: 69,713 km (0.096 R)
• M2: 325,226 km (0.095 R)
• M3: 592,557 km (0.025 R)
• M4: 857,196 km (0.103 R)
• M5: 1,408,165 km (0.094 R)
• M6: 1,953,748 km (0.098 R)
• M7: 2,226,764 km (0.053 R)
• M8: 2,738,539 km (0.099 R)
• M9: 4,525,336 km (0.051 R)
• M10: 5,342,439 km (0.078 R)
• M11: 6,101,499 km (0.105 R)
• M12: 6,889,132 km (0.053 R)
• M13: 8,856,792 km (0.064 R)
• M14: 10,233,841 km (0.088 R)
• M15: 11,001,278 km (0.091 R)
• M16: 11,630,786 km (0.11 R)
• M17: 11,806,563 km (0.095 R)
• M18: 12,043,676 km (0.088 R)
• M19: 20,300,132 km (0.086 R)
• M20: 20,984,841 km (0.098 R)
• M21: 22,764,009 km (0.111 R)
• M22: 24,162,599 km (0.111 R)
• M23: 24,544,971 km (0.103 R)
• M24: 27,129,723 km (0.111 R)
• M25: 30,553,121 km (0.026 R)
• M26: 33,066,665 km (0.091 R)
• M27: 37,599,480 km (0.102 R)
• M28: 38,112,900 km (0.088 R)
• M29: 39,022,754 km (0.108 R)
• M30: 39,285,448 km (0.113 R)
• M31: 39,681,583 km (0.082 R)
• M32: 45,365,405 km (0.075 R)
• M33: 48,779,677 km (0.106 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 152 - 18,454 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit