🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.8

Radius: 12.1

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.76 AU - 0.94 AU

Year: 498 Days

Day: 12.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,662,704 km

• M1: 150,495 km (0.072 R)
• M2: 550,969 km (0.116 R)
• M3: 988,244 km (0.116 R)
• M4: 1,382,135 km (0.076 R)
• M5: 1,813,425 km (0.118 R)
• M6: 2,244,716 km (0.032 R)
• M7: 2,703,533 km (0.113 R)
• M8: 3,179,104 km (0.097 R)
• M9: 3,865,310 km (0.079 R)
• M10: 4,442,907 km (0.118 R)
• M11: 4,967,696 km (0.059 R)
• M12: 5,500,115 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.5

Radius: 14.6

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.78 AU - 0.96 AU

Year: 516 Days

Day: 9.6 Hours

Environment

Temp: -142 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 80,662,704 km

• M1: 181,612 km (0.034 R)
• M2: 813,214 km (0.067 R)
• M3: 1,381,387 km (0.101 R)
• M4: 2,216,143 km (0.116 R)
• M5: 2,717,894 km (0.086 R)
• M6: 3,356,976 km (0.094 R)
• M7: 3,887,301 km (0.088 R)
• M8: 4,859,836 km (0.109 R)
• M9: 5,879,795 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.3

Radius: 13.4

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.18 AU - 1.76 AU

Year: 1133 Days

Day: 13.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,662,704 km

• M1: 166,652 km (0.104 R)
• M2: 697,724 km (0.03 R)
• M3: 1,170,903 km (0.032 R)
• M4: 1,733,241 km (0.117 R)
• M5: 2,196,097 km (0.097 R)
• M6: 2,832,336 km (0.117 R)
• M7: 3,251,360 km (0.061 R)
• M8: 4,915,487 km (0.092 R)
• M9: 5,453,590 km (0.117 R)
• M10: 6,878,061 km (0.1 R)
• M11: 7,508,168 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816

Radius: 12.2

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.94 AU - 4.26 AU

Year: 4343 Days

Day: 8.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 80,662,704 km

• M1: 152,590 km (0.082 R)
• M2: 691,142 km (0.113 R)
• M3: 1,092,663 km (0.054 R)
• M4: 1,620,145 km (0.067 R)
• M5: 2,063,254 km (0.075 R)
• M6: 3,028,908 km (0.067 R)
• M7: 3,541,281 km (0.091 R)
• M8: 4,134,436 km (0.081 R)
• M9: 5,807,689 km (0.037 R)
• M10: 6,288,795 km (0.042 R)
• M11: 6,861,755 km (0.104 R)
• M12: 7,644,451 km (0.103 R)
• M13: 8,870,406 km (0.096 R)
• M14: 13,437,479 km (0.058 R)
• M15: 14,120,992 km (0.117 R)
• M16: 15,105,346 km (0.118 R)
• M17: 16,018,342 km (0.081 R)
• M18: 16,786,826 km (0.117 R)
• M19: 17,271,972 km (0.063 R)
• M20: 18,461,574 km (0.082 R)
• M21: 20,864,415 km (0.12 R)
• M22: 22,285,894 km (0.089 R)
• M23: 24,615,282 km (0.074 R)
• M24: 26,526,844 km (0.07 R)
• M25: 26,937,341 km (0.097 R)
• M26: 28,108,991 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.4

Radius: 13.9

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.84 AU - 5.72 AU

Year: 6645 Days

Day: 9.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 80,662,704 km

• M1: 172,935 km (0.034 R)
• M2: 723,306 km (0.098 R)
• M3: 1,193,193 km (0.115 R)
• M4: 1,972,897 km (0.103 R)
• M5: 3,442,845 km (0.096 R)
• M6: 4,708,294 km (0.09 R)
• M7: 5,762,061 km (0.06 R)
• M8: 6,592,778 km (0.066 R)
• M9: 7,249,363 km (0.089 R)
• M10: 9,229,441 km (0.039 R)
• M11: 9,699,926 km (0.11 R)
• M12: 11,944,343 km (0.111 R)
• M13: 12,764,139 km (0.057 R)
• M14: 13,786,042 km (0.119 R)
• M15: 14,573,376 km (0.079 R)
• M16: 15,749,963 km (0.076 R)
• M17: 16,673,281 km (0.117 R)
• M18: 17,894,299 km (0.06 R)
• M19: 19,105,144 km (0.034 R)
• M20: 20,731,123 km (0.09 R)
• M21: 22,218,575 km (0.07 R)
• M22: 27,194,649 km (0.109 R)
• M23: 28,164,791 km (0.073 R)
• M24: 30,174,339 km (0.103 R)
• M25: 30,644,077 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.2

Radius: 14.7

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 4 AU - 6.6 AU

Year: 7758 Days

Day: 5.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 80,662,704 km

• M1: 182,809 km (0.07 R)
• M2: 822,489 km (0.032 R)
• M3: 1,306,887 km (0.093 R)
• M4: 2,423,635 km (0.116 R)
• M5: 2,903,695 km (0.101 R)
• M6: 5,867,827 km (0.114 R)
• M7: 6,576,322 km (0.088 R)
• M8: 7,450,124 km (0.08 R)
• M9: 10,131,815 km (0.113 R)
• M10: 10,634,464 km (0.078 R)
• M11: 11,105,847 km (0.119 R)
• M12: 11,889,291 km (0.118 R)
• M13: 19,614,375 km (0.101 R)
• M14: 24,628,297 km (0.105 R)
• M15: 27,783,466 km (0.115 R)
• M16: 32,168,180 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 959.9

Radius: 5.7

Gravity: 29.54 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 8.79 AU - 10.09 AU

Year: 18441 Days

Day: 21.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 80,662,704 km

• M1: 72,106 km (0.071 R)
• M2: 311,463 km (0.107 R)
• M3: 502,798 km (0.106 R)
• M4: 1,103,434 km (0.081 R)
• M5: 2,312,783 km (0.115 R)
• M6: 2,711,761 km (0.074 R)
• M7: 3,496,701 km (0.114 R)
• M8: 4,925,510 km (0.091 R)
• M9: 5,267,491 km (0.095 R)
• M10: 6,568,394 km (0.091 R)
• M11: 7,030,053 km (0.097 R)
• M12: 7,414,818 km (0.086 R)
• M13: 7,966,685 km (0.102 R)
• M14: 8,817,598 km (0.087 R)
• M15: 9,039,451 km (0.067 R)
• M16: 11,599,968 km (0.103 R)
• M17: 14,452,800 km (0.079 R)
• M18: 17,829,224 km (0.118 R)
• M19: 18,184,369 km (0.06 R)
• M20: 19,371,279 km (0.062 R)
• M21: 20,126,748 km (0.119 R)
• M22: 21,496,017 km (0.026 R)
• M23: 23,452,009 km (0.076 R)
• M24: 23,985,775 km (0.032 R)
• M25: 24,418,561 km (0.044 R)
• M26: 33,934,781 km (0.116 R)
• M27: 40,871,485 km (0.111 R)
• M28: 43,859,553 km (0.105 R)
• M29: 46,152,289 km (0.1 R)
• M30: 47,327,979 km (0.103 R)
• M31: 49,389,887 km (0.071 R)
• M32: 53,507,718 km (0.11 R)
• M33: 55,179,324 km (0.111 R)
• M34: 59,018,305 km (0.089 R)
• M35: 72,718,627 km (0.113 R)
• M36: 76,855,906 km (0.119 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 403 - 10,807 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit