🌌 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: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.1

Radius: 14.4

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.47 AU - 0.57 AU

Year: 254 Days

Day: 12.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 64,193,332 km

• M1: 179,069 km (0.094 R)
• M2: 686,056 km (0.059 R)
• M3: 1,145,321 km (0.109 R)
• M4: 1,826,590 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820

Radius: 9.2

Gravity: 9.69 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.47 AU - 0.67 AU

Year: 292 Days

Day: 9.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,193,332 km

• M1: 114,442 km (0.106 R)
• M2: 436,676 km (0.053 R)
• M3: 750,383 km (0.104 R)
• M4: 1,042,996 km (0.07 R)
• M5: 1,537,417 km (0.069 R)
• M6: 2,141,643 km (0.071 R)
• M7: 2,436,800 km (0.072 R)
• M8: 3,163,097 km (0.028 R)
• M9: 3,457,506 km (0.097 R)
• M10: 3,758,497 km (0.091 R)
• M11: 4,334,150 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.1

Radius: 10.8

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.66 AU - 0.76 AU

Year: 406 Days

Day: 9.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,193,332 km

• M1: 134,339 km (0.107 R)
• M2: 473,028 km (0.065 R)
• M3: 814,112 km (0.092 R)
• M4: 1,161,179 km (0.085 R)
• M5: 1,576,163 km (0.081 R)
• M6: 2,654,913 km (0.111 R)
• M7: 3,480,993 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.6

Radius: 8.4

Gravity: 10.23 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.67 AU - 0.89 AU

Year: 467 Days

Day: 7 Hours

Environment

Temp: -162 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,193,332 km

• M1: 104,569 km (0.11 R)
• M2: 520,900 km (0.073 R)
• M3: 984,504 km (0.114 R)
• M4: 1,402,031 km (0.088 R)
• M5: 1,805,497 km (0.068 R)
• M6: 2,122,046 km (0.065 R)
• M7: 2,890,231 km (0.084 R)
• M8: 3,423,547 km (0.071 R)
• M9: 4,230,329 km (0.03 R)
• M10: 5,207,053 km (0.071 R)
• M11: 5,818,759 km (0.052 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 620.6

Radius: 4.4

Gravity: 32.06 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 8.01 AU - 9.85 AU

Year: 18100 Days

Day: 16.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 64,193,332 km

• M1: 54,753 km (0.061 R)
• M2: 231,727 km (0.09 R)
• M3: 449,542 km (0.094 R)
• M4: 683,064 km (0.057 R)
• M5: 1,394,551 km (0.118 R)
• M6: 1,631,365 km (0.106 R)
• M7: 1,857,856 km (0.066 R)
• M8: 2,619,309 km (0.038 R)
• M9: 4,232,573 km (0.09 R)
• M10: 4,459,812 km (0.079 R)
• M11: 6,038,668 km (0.11 R)
• M12: 7,338,524 km (0.078 R)
• M13: 7,619,169 km (0.111 R)
• M14: 8,102,969 km (0.064 R)
• M15: 8,606,814 km (0.111 R)
• M16: 9,024,791 km (0.025 R)
• M17: 10,953,257 km (0.114 R)
• M18: 14,190,854 km (0.041 R)
• M19: 16,458,758 km (0.053 R)
• M20: 19,663,593 km (0.109 R)
• M21: 23,061,409 km (0.113 R)
• M22: 23,764,519 km (0.116 R)
• M23: 24,585,662 km (0.108 R)
• M24: 26,284,047 km (0.073 R)
• M25: 26,940,781 km (0.115 R)
• M26: 28,172,869 km (0.098 R)
• M27: 29,092,148 km (0.103 R)
• M28: 36,228,565 km (0.098 R)
• M29: 37,866,363 km (0.094 R)
• M30: 38,144,166 km (0.056 R)
• M31: 38,283,441 km (0.028 R)
• M32: 40,270,251 km (0.037 R)
• M33: 42,324,678 km (0.098 R)
• M34: 42,623,725 km (0.106 R)
• M35: 46,800,347 km (0.111 R)
• M36: 47,926,071 km (0.111 R)
• M37: 51,581,346 km (0.065 R)
• M38: 55,597,001 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 909.7

Radius: 6.8

Gravity: 19.67 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 7.56 AU - 11.2 AU

Year: 19485 Days

Day: 23.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 64,193,332 km

• M1: 84,523 km (0.084 R)
• M2: 345,421 km (0.099 R)
• M3: 741,407 km (0.08 R)
• M4: 1,494,632 km (0.095 R)
• M5: 1,736,831 km (0.065 R)
• M6: 2,149,871 km (0.077 R)
• M7: 3,544,871 km (0.102 R)
• M8: 4,917,731 km (0.069 R)
• M9: 5,620,242 km (0.082 R)
• M10: 6,983,977 km (0.059 R)
• M11: 8,024,579 km (0.085 R)
• M12: 8,663,811 km (0.112 R)
• M13: 9,568,130 km (0.091 R)
• M14: 10,348,134 km (0.109 R)
• M15: 15,290,398 km (0.115 R)
• M16: 15,531,700 km (0.12 R)
• M17: 16,022,082 km (0.097 R)
• M18: 16,691,981 km (0.038 R)
• M19: 19,090,633 km (0.098 R)
• M20: 26,360,192 km (0.039 R)
• M21: 26,707,558 km (0.109 R)
• M22: 26,940,781 km (0.05 R)
• M23: 28,733,263 km (0.108 R)
• M24: 34,447,602 km (0.114 R)
• M25: 36,844,160 km (0.102 R)
• M26: 51,045,037 km (0.088 R)
• M27: 59,742,059 km (0.11 R)
• M28: 72,049,626 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 406.8

Radius: 6.2

Gravity: 10.58 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 8.55 AU - 10.61 AU

Year: 20111 Days

Day: 23.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 64,193,332 km

• M1: 80,334 km (0.102 R)
• M2: 315,801 km (0.1 R)
• M3: 552,465 km (0.036 R)
• M4: 1,932,206 km (0.098 R)
• M5: 2,423,336 km (0.055 R)
• M6: 3,458,254 km (0.052 R)
• M7: 4,399,823 km (0.043 R)
• M8: 7,256,843 km (0.116 R)
• M9: 7,620,366 km (0.099 R)
• M10: 9,785,496 km (0.107 R)
• M11: 10,173,104 km (0.111 R)
• M12: 15,730,515 km (0.067 R)
• M13: 16,109,148 km (0.093 R)
• M14: 21,508,284 km (0.116 R)
• M15: 22,928,118 km (0.119 R)
• M16: 25,848,418 km (0.069 R)
• M17: 27,670,669 km (0.114 R)
• M18: 27,890,578 km (0.09 R)
• M19: 31,809,145 km (0.108 R)
• M20: 33,899,326 km (0.087 R)
• M21: 34,277,510 km (0.043 R)
• M22: 37,943,555 km (0.107 R)
• M23: 50,986,844 km (0.114 R)
• M24: 54,185,396 km (0.084 R)
• M25: 58,052,950 km (0.095 R)
• M26: 62,666,847 km (0.112 R)
• M27: 64,193,344 km (0.111 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 428 - 11,604 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit