🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204

Radius: 10.8

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.57 AU - 0.63 AU

Year: 321 Days

Day: 5.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 57,789,236 km

• M1: 136,134 km (0.093 R)
• M2: 472,580 km (0.098 R)
• M3: 876,045 km (0.107 R)
• M4: 1,285,644 km (0.116 R)
• M5: 1,756,129 km (0.098 R)
• M6: 2,546,305 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.6

Radius: 9.1

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.49 AU - 0.73 AU

Year: 329 Days

Day: 8.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,789,236 km

• M1: 114,592 km (0.089 R)
• M2: 597,195 km (0.091 R)
• M3: 1,128,267 km (0.05 R)
• M4: 1,502,112 km (0.115 R)
• M5: 2,103,496 km (0.038 R)
• M6: 2,408,077 km (0.108 R)
• M7: 2,828,297 km (0.039 R)
• M8: 3,318,380 km (0.092 R)
• M9: 4,133,838 km (0.079 R)
• M10: 4,548,523 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.6

Radius: 8.3

Gravity: 8.76 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 3.76 AU - 4.02 AU

Year: 5296 Days

Day: 12.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 57,789,236 km

• M1: 132,245 km (0.073 R)
• M2: 435,629 km (0.038 R)
• M3: 768,335 km (0.112 R)
• M4: 1,355,656 km (0.052 R)
• M5: 1,621,641 km (0.088 R)
• M6: 2,021,666 km (0.117 R)
• M7: 2,536,881 km (0.111 R)
• M8: 2,889,782 km (0.049 R)
• M9: 3,501,937 km (0.119 R)
• M10: 3,941,006 km (0.113 R)
• M11: 4,245,588 km (0.102 R)
• M12: 5,009,434 km (0.103 R)
• M13: 6,610,580 km (0.052 R)
• M14: 6,940,892 km (0.098 R)
• M15: 8,839,439 km (0.038 R)
• M16: 9,487,347 km (0.118 R)
• M17: 10,166,522 km (0.094 R)
• M18: 11,716,804 km (0.09 R)
• M19: 12,005,977 km (0.109 R)
• M20: 14,110,969 km (0.106 R)
• M21: 14,770,995 km (0.066 R)
• M22: 15,916,316 km (0.062 R)
• M23: 16,450,679 km (0.076 R)
• M24: 17,492,479 km (0.118 R)
• M25: 18,773,785 km (0.059 R)
• M26: 19,437,401 km (0.091 R)
• M27: 19,842,961 km (0.095 R)
• M28: 20,392,583 km (0.088 R)
• M29: 20,952,229 km (0.072 R)
• M30: 21,522,047 km (0.106 R)
• M31: 22,175,491 km (0.109 R)
• M32: 24,059,975 km (0.069 R)
• M33: 24,449,229 km (0.106 R)
• M34: 25,160,716 km (0.077 R)
• M35: 27,631,774 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.8

Radius: 10.3

Gravity: 9.13 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 3.59 AU - 4.53 AU

Year: 5647 Days

Day: 5.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 57,789,236 km

• M1: 129,253 km (0.056 R)
• M2: 472,131 km (0.114 R)
• M3: 889,808 km (0.046 R)
• M4: 1,725,611 km (0.075 R)
• M5: 3,081,267 km (0.1 R)
• M6: 3,578,531 km (0.073 R)
• M7: 4,078,636 km (0.076 R)
• M8: 4,706,798 km (0.101 R)
• M9: 5,519,862 km (0.107 R)
• M10: 5,895,951 km (0.074 R)
• M11: 6,255,585 km (0.082 R)
• M12: 7,349,145 km (0.085 R)
• M13: 8,773,766 km (0.09 R)
• M14: 9,287,185 km (0.098 R)
• M15: 10,468,709 km (0.099 R)
• M16: 11,645,596 km (0.083 R)
• M17: 13,743,108 km (0.091 R)
• M18: 15,396,463 km (0.085 R)
• M19: 16,591,451 km (0.097 R)
• M20: 18,187,960 km (0.074 R)
• M21: 18,672,208 km (0.066 R)
• M22: 20,103,560 km (0.111 R)
• M23: 20,472,618 km (0.077 R)
• M24: 21,994,029 km (0.094 R)
• M25: 22,942,329 km (0.071 R)
• M26: 23,671,170 km (0.096 R)
• M27: 25,863,826 km (0.098 R)
• M28: 27,913,467 km (0.062 R)
• M29: 29,781,795 km (0.082 R)
• M30: 30,165,363 km (0.085 R)
• M31: 33,146,999 km (0.078 R)
• M32: 35,133,958 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.3

Radius: 8.6

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 3.12 AU - 5.18 AU

Year: 5836 Days

Day: 6.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,789,236 km

• M1: 107,710 km (0.11 R)
• M2: 484,697 km (0.096 R)
• M3: 755,320 km (0.107 R)
• M4: 1,297,163 km (0.052 R)
• M5: 2,319,964 km (0.097 R)
• M6: 2,634,419 km (0.106 R)
• M7: 4,439,167 km (0.043 R)
• M8: 4,822,287 km (0.07 R)
• M9: 5,427,261 km (0.09 R)
• M10: 5,748,298 km (0.108 R)
• M11: 7,547,811 km (0.086 R)
• M12: 8,302,981 km (0.042 R)
• M13: 9,794,771 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 581.8

Radius: 4.7

Gravity: 26.34 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 6.32 AU - 7 AU

Year: 11864 Days

Day: 19 Hours

Environment

Temp: -232 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,789,236 km

• M1: 65,225 km (0.11 R)
• M2: 330,761 km (0.059 R)
• M3: 483,500 km (0.079 R)
• M4: 676,631 km (0.105 R)
• M5: 1,126,771 km (0.07 R)
• M6: 1,802,804 km (0.088 R)
• M7: 5,167,410 km (0.051 R)
• M8: 7,580,573 km (0.075 R)
• M9: 8,558,644 km (0.088 R)
• M10: 9,769,040 km (0.103 R)
• M11: 10,441,483 km (0.081 R)
• M12: 12,110,097 km (0.102 R)
• M13: 13,378,837 km (0.086 R)
• M14: 19,422,292 km (0.081 R)
• M15: 25,111,349 km (0.087 R)
• M16: 27,062,704 km (0.098 R)
• M17: 33,059,783 km (0.064 R)
• M18: 35,399,344 km (0.099 R)
• M19: 37,847,065 km (0.114 R)
• M20: 38,476,273 km (0.119 R)
• M21: 47,737,279 km (0.111 R)
• M22: 50,415,679 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 322.5

Radius: 5.1

Gravity: 12.4 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 7.41 AU - 11.01 AU

Year: 19293 Days

Day: 19.5 Hours

Environment

Temp: -243 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 57,789,236 km

• M1: 63,429 km (0.12 R)
• M2: 394,490 km (0.108 R)
• M3: 1,089,820 km (0.105 R)
• M4: 2,045,003 km (0.116 R)
• M5: 2,332,231 km (0.084 R)
• M6: 2,667,928 km (0.053 R)
• M7: 3,514,054 km (0.075 R)
• M8: 3,675,320 km (0.071 R)
• M9: 3,898,221 km (0.068 R)
• M10: 4,071,156 km (0.106 R)
• M11: 4,717,419 km (0.095 R)
• M12: 4,913,991 km (0.087 R)
• M13: 6,133,513 km (0.07 R)
• M14: 6,896,462 km (0.089 R)
• M15: 7,541,977 km (0.105 R)
• M16: 7,902,358 km (0.114 R)
• M17: 8,180,161 km (0.081 R)
• M18: 8,416,526 km (0.064 R)
• M19: 8,853,501 km (0.047 R)
• M20: 10,810,241 km (0.092 R)
• M21: 11,858,922 km (0.098 R)
• M22: 12,100,822 km (0.108 R)
• M23: 13,754,627 km (0.078 R)
• M24: 15,843,312 km (0.086 R)
• M25: 16,210,874 km (0.078 R)
• M26: 18,698,986 km (0.072 R)
• M27: 19,358,563 km (0.1 R)
• M28: 30,969,153 km (0.109 R)
• M29: 36,780,282 km (0.09 R)
• M30: 38,207,296 km (0.088 R)
• M31: 39,940,836 km (0.069 R)
• M32: 45,013,850 km (0.03 R)
• M33: 45,602,667 km (0.119 R)
• M34: 48,009,547 km (0.056 R)
• M35: 52,911,271 km (0.092 R)
• M36: 55,062,488 km (0.117 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 311 - 11,286 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit