🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.2

Radius: 9.6

Gravity: 8.92 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.59 AU - 0.89 AU

Year: 405 Days

Day: 9.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,599,012 km

• M1: 119,379 km (0.061 R)
• M2: 424,858 km (0.081 R)
• M3: 837,598 km (0.11 R)
• M4: 1,197,980 km (0.096 R)
• M5: 1,584,092 km (0.117 R)
• M6: 2,279,722 km (0.111 R)
• M7: 2,795,984 km (0.039 R)
• M8: 3,558,185 km (0.081 R)
• M9: 3,915,425 km (0.085 R)
• M10: 4,268,626 km (0.088 R)
• M11: 4,657,730 km (0.113 R)
• M12: 5,039,204 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.2

Radius: 8.1

Gravity: 13.98 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.69 AU - 0.99 AU

Year: 489 Days

Day: 7.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,599,012 km

• M1: 100,679 km (0.042 R)
• M2: 355,744 km (0.111 R)
• M3: 609,761 km (0.045 R)
• M4: 1,114,953 km (0.051 R)
• M5: 1,384,528 km (0.113 R)
• M6: 1,826,740 km (0.08 R)
• M7: 2,440,240 km (0.068 R)
• M8: 3,171,924 km (0.093 R)
• M9: 4,013,860 km (0.057 R)
• M10: 4,335,346 km (0.12 R)
• M11: 4,642,471 km (0.105 R)
• M12: 5,334,959 km (0.115 R)
• M13: 5,616,203 km (0.096 R)
• M14: 5,981,820 km (0.084 R)
• M15: 6,363,145 km (0.115 R)
• M16: 6,903,643 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.3

Radius: 8.2

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.96 AU - 1.32 AU

Year: 774 Days

Day: 10.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,599,012 km

• M1: 102,175 km (0.093 R)
• M2: 414,984 km (0.102 R)
• M3: 678,426 km (0.068 R)
• M4: 1,025,643 km (0.096 R)
• M5: 1,489,995 km (0.098 R)
• M6: 1,901,539 km (0.085 R)
• M7: 2,249,054 km (0.085 R)
• M8: 2,703,982 km (0.106 R)
• M9: 3,306,861 km (0.115 R)
• M10: 3,701,500 km (0.103 R)
• M11: 3,996,358 km (0.091 R)
• M12: 4,697,224 km (0.055 R)
• M13: 5,301,001 km (0.073 R)
• M14: 5,880,244 km (0.099 R)
• M15: 6,224,169 km (0.096 R)
• M16: 6,889,580 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.9

Radius: 11.1

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 3.47 AU - 5.31 AU

Year: 5848 Days

Day: 8 Hours

Environment

Temp: -223 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 65,599,012 km

• M1: 138,079 km (0.112 R)
• M2: 621,430 km (0.05 R)
• M3: 1,121,535 km (0.107 R)
• M4: 1,489,845 km (0.059 R)
• M5: 2,011,643 km (0.076 R)
• M6: 4,700,365 km (0.098 R)
• M7: 5,445,512 km (0.114 R)
• M8: 5,923,178 km (0.119 R)
• M9: 6,759,131 km (0.095 R)
• M10: 7,526,418 km (0.087 R)
• M11: 8,006,478 km (0.113 R)
• M12: 8,745,043 km (0.047 R)
• M13: 9,359,591 km (0.033 R)
• M14: 9,958,880 km (0.088 R)
• M15: 12,770,273 km (0.062 R)
• M16: 14,610,925 km (0.111 R)
• M17: 15,713,312 km (0.078 R)
• M18: 16,072,795 km (0.114 R)
• M19: 17,823,240 km (0.025 R)
• M20: 19,628,437 km (0.106 R)
• M21: 20,682,354 km (0.074 R)
• M22: 22,446,562 km (0.082 R)
• M23: 23,755,394 km (0.099 R)
• M24: 25,771,824 km (0.073 R)
• M25: 28,693,769 km (0.099 R)
• M26: 30,050,472 km (0.089 R)
• M27: 30,512,131 km (0.026 R)
• M28: 31,829,789 km (0.095 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 678.1

Radius: 5.6

Gravity: 21.62 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 7 AU - 10.24 AU

Year: 16091 Days

Day: 20.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 65,599,012 km

• M1: 69,713 km (0.028 R)
• M2: 555,606 km (0.098 R)
• M3: 748,588 km (0.079 R)
• M4: 1,586,635 km (0.067 R)
• M5: 1,786,348 km (0.098 R)
• M6: 2,403,290 km (0.053 R)
• M7: 2,667,928 km (0.114 R)
• M8: 3,308,806 km (0.042 R)
• M9: 4,585,923 km (0.11 R)
• M10: 5,961,774 km (0.05 R)
• M11: 6,573,630 km (0.086 R)
• M12: 7,048,304 km (0.049 R)
• M13: 8,310,012 km (0.051 R)
• M14: 8,609,657 km (0.118 R)
• M15: 9,606,278 km (0.053 R)
• M16: 10,853,625 km (0.092 R)
• M17: 11,151,474 km (0.106 R)
• M18: 12,987,938 km (0.119 R)
• M19: 16,848,311 km (0.111 R)
• M20: 17,490,534 km (0.054 R)
• M21: 19,866,896 km (0.072 R)
• M22: 24,835,341 km (0.036 R)
• M23: 25,041,487 km (0.114 R)
• M24: 25,561,639 km (0.109 R)
• M25: 28,159,555 km (0.109 R)
• M26: 29,753,521 km (0.095 R)
• M27: 30,102,682 km (0.107 R)
• M28: 33,999,557 km (0.047 R)
• M29: 34,253,724 km (0.104 R)
• M30: 46,891,453 km (0.116 R)
• M31: 48,480,332 km (0.071 R)
• M32: 52,101,498 km (0.116 R)
• M33: 61,368,487 km (0.077 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 405 - 19,115 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit