🌌 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: 280.7

Radius: 9.9

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.58 AU - 0.9 AU

Year: 432 Days

Day: 6 Hours

Environment

Temp: -170 °C

Axial Tilt: 63.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,527,326 km

• M1: 123,119 km (0.044 R)
• M2: 506,090 km (0.114 R)
• M3: 1,061,546 km (0.046 R)
• M4: 1,438,683 km (0.038 R)
• M5: 2,151,816 km (0.116 R)
• M6: 2,775,489 km (0.03 R)
• M7: 3,165,940 km (0.118 R)
• M8: 4,255,162 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.7

Radius: 8.5

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.86 AU - 0.86 AU

Year: 541 Days

Day: 12 Hours

Environment

Temp: -170 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,527,326 km

• M1: 105,766 km (0.099 R)
• M2: 388,805 km (0.106 R)
• M3: 788,530 km (0.108 R)
• M4: 1,065,885 km (0.103 R)
• M5: 1,343,688 km (0.118 R)
• M6: 1,629,420 km (0.118 R)
• M7: 1,940,434 km (0.062 R)
• M8: 2,984,627 km (0.074 R)
• M9: 3,523,778 km (0.071 R)
• M10: 3,972,721 km (0.118 R)
• M11: 4,404,909 km (0.119 R)
• M12: 5,074,360 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.3

Radius: 11.9

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.88 AU - 1.08 AU

Year: 658 Days

Day: 11.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,527,326 km

• M1: 147,952 km (0.071 R)
• M2: 524,789 km (0.062 R)
• M3: 998,715 km (0.097 R)
• M4: 1,500,018 km (0.113 R)
• M5: 1,880,894 km (0.118 R)
• M6: 2,256,385 km (0.075 R)
• M7: 2,739,586 km (0.102 R)
• M8: 3,546,218 km (0.099 R)
• M9: 4,005,782 km (0.045 R)
• M10: 4,392,343 km (0.106 R)
• M11: 4,923,715 km (0.114 R)
• M12: 5,479,022 km (0.041 R)
• M13: 8,009,021 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.5

Radius: 9.4

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.87 AU - 3.73 AU

Year: 4066 Days

Day: 7.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,527,326 km

• M1: 117,285 km (0.104 R)
• M2: 664,065 km (0.118 R)
• M3: 1,054,216 km (0.039 R)
• M4: 1,357,601 km (0.087 R)
• M5: 2,027,949 km (0.096 R)
• M6: 3,400,509 km (0.099 R)
• M7: 4,099,131 km (0.092 R)
• M8: 5,780,163 km (0.105 R)
• M9: 7,108,891 km (0.088 R)
• M10: 7,713,416 km (0.073 R)
• M11: 8,011,415 km (0.116 R)
• M12: 9,695,438 km (0.076 R)
• M13: 11,219,990 km (0.064 R)
• M14: 11,560,325 km (0.067 R)
• M15: 12,668,396 km (0.088 R)
• M16: 13,130,953 km (0.065 R)
• M17: 14,336,712 km (0.096 R)
• M18: 15,457,499 km (0.111 R)
• M19: 16,146,697 km (0.058 R)
• M20: 19,779,980 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.7

Radius: 12.6

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 3.37 AU - 3.53 AU

Year: 4346 Days

Day: 10.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 79,527,326 km

• M1: 156,629 km (0.103 R)
• M2: 581,487 km (0.116 R)
• M3: 1,126,173 km (0.074 R)
• M4: 1,875,808 km (0.067 R)
• M5: 2,733,751 km (0.052 R)
• M6: 3,464,687 km (0.08 R)
• M7: 3,975,115 km (0.104 R)
• M8: 5,867,677 km (0.041 R)
• M9: 6,968,418 km (0.112 R)
• M10: 7,692,323 km (0.115 R)
• M11: 8,940,418 km (0.082 R)
• M12: 9,361,386 km (0.059 R)
• M13: 9,906,221 km (0.119 R)
• M14: 10,433,853 km (0.034 R)
• M15: 13,449,447 km (0.098 R)
• M16: 13,909,909 km (0.079 R)
• M17: 14,960,086 km (0.092 R)
• M18: 16,476,410 km (0.047 R)
• M19: 17,057,299 km (0.114 R)
• M20: 17,706,554 km (0.104 R)
• M21: 18,428,363 km (0.103 R)
• M22: 19,753,651 km (0.109 R)

Asteroid Belt

Center: 6.32 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 841.6

Radius: 7.1

Gravity: 16.7 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 7.32 AU - 11.04 AU

Year: 18865 Days

Day: 22.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,527,326 km

• M1: 89,460 km (0.116 R)
• M2: 427,401 km (0.099 R)
• M3: 1,268,141 km (0.118 R)
• M4: 3,680,556 km (0.088 R)
• M5: 5,888,771 km (0.063 R)
• M6: 7,366,349 km (0.092 R)
• M7: 9,584,137 km (0.117 R)
• M8: 12,972,529 km (0.071 R)
• M9: 15,443,287 km (0.057 R)
• M10: 20,999,352 km (0.073 R)
• M11: 21,391,448 km (0.093 R)
• M12: 26,257,867 km (0.094 R)
• M13: 26,942,577 km (0.097 R)
• M14: 33,117,827 km (0.116 R)
• M15: 43,414,349 km (0.07 R)
• M16: 43,890,968 km (0.12 R)
• M17: 49,367,297 km (0.115 R)
• M18: 64,289,984 km (0.113 R)
• M19: 67,639,032 km (0.058 R)
• M20: 72,654,300 km (0.055 R)
• M21: 77,678,096 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 773.5

Radius: 4.6

Gravity: 36.55 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 7.77 AU - 11.39 AU

Year: 20111 Days

Day: 18.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 79,527,326 km

• M1: 57,446 km (0.034 R)
• M2: 212,429 km (0.12 R)
• M3: 475,871 km (0.059 R)
• M4: 637,437 km (0.077 R)
• M5: 1,169,556 km (0.05 R)
• M6: 1,406,220 km (0.105 R)
• M7: 1,858,454 km (0.097 R)
• M8: 2,118,156 km (0.087 R)
• M9: 2,424,682 km (0.085 R)
• M10: 3,071,693 km (0.086 R)
• M11: 3,734,112 km (0.118 R)
• M12: 4,281,641 km (0.12 R)
• M13: 4,487,039 km (0.117 R)
• M14: 4,844,129 km (0.088 R)
• M15: 4,992,231 km (0.074 R)
• M16: 7,107,544 km (0.109 R)
• M17: 7,298,880 km (0.104 R)
• M18: 7,893,831 km (0.109 R)
• M19: 8,791,119 km (0.101 R)
• M20: 24,281,380 km (0.115 R)
• M21: 25,045,227 km (0.116 R)
• M22: 27,432,510 km (0.113 R)
• M23: 27,785,411 km (0.094 R)
• M24: 28,260,683 km (0.085 R)
• M25: 35,635,709 km (0.118 R)
• M26: 36,337,921 km (0.066 R)
• M27: 42,447,498 km (0.08 R)
• M28: 43,077,904 km (0.095 R)
• M29: 49,380,312 km (0.117 R)
• M30: 50,428,545 km (0.065 R)
• M31: 54,398,723 km (0.053 R)
• M32: 63,773,572 km (0.106 R)
• M33: 65,643,396 km (0.042 R)
• M34: 70,807,664 km (0.116 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 158 - 16,331 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit