🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.1

Radius: 8.3

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.54 AU - 0.58 AU

Year: 279 Days

Day: 11.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,956,317 km

• M1: 103,223 km (0.089 R)
• M2: 496,216 km (0.12 R)
• M3: 1,108,670 km (0.068 R)
• M4: 1,468,154 km (0.098 R)
• M5: 2,021,217 km (0.098 R)
• M6: 2,538,377 km (0.117 R)
• M7: 2,899,955 km (0.102 R)
• M8: 3,295,791 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.3

Radius: 10.1

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.85 AU - 0.87 AU

Year: 532 Days

Day: 14.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,956,317 km

• M1: 128,056 km (0.091 R)
• M2: 486,492 km (0.067 R)
• M3: 861,385 km (0.114 R)
• M4: 1,484,310 km (0.109 R)
• M5: 2,377,709 km (0.108 R)
• M6: 2,901,451 km (0.09 R)
• M7: 3,511,212 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.3

Radius: 8.3

Gravity: 11.5 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.09 AU - 1.23 AU

Year: 833 Days

Day: 12.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,956,317 km

• M1: 103,223 km (0.097 R)
• M2: 383,419 km (0.05 R)
• M3: 772,075 km (0.106 R)
• M4: 1,095,356 km (0.089 R)
• M5: 1,355,357 km (0.111 R)
• M6: 1,744,012 km (0.093 R)
• M7: 2,053,231 km (0.035 R)
• M8: 2,443,532 km (0.093 R)
• M9: 3,263,178 km (0.047 R)
• M10: 3,827,312 km (0.075 R)
• M11: 4,387,406 km (0.056 R)
• M12: 4,928,203 km (0.094 R)
• M13: 5,224,257 km (0.111 R)
• M14: 7,765,027 km (0.084 R)
• M15: 8,529,771 km (0.09 R)
• M16: 8,849,462 km (0.12 R)
• M17: 9,541,053 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.9

Radius: 11.5

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.16 AU - 1.76 AU

Year: 1176 Days

Day: 9.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,956,317 km

• M1: 143,016 km (0.07 R)
• M2: 549,772 km (0.097 R)
• M3: 963,410 km (0.08 R)
• M4: 1,380,639 km (0.094 R)
• M5: 1,910,066 km (0.09 R)
• M6: 2,572,335 km (0.073 R)
• M7: 3,099,518 km (0.068 R)
• M8: 4,217,463 km (0.094 R)
• M9: 4,674,933 km (0.119 R)
• M10: 5,880,094 km (0.119 R)
• M11: 6,384,688 km (0.089 R)
• M12: 6,776,185 km (0.031 R)
• M13: 7,381,009 km (0.045 R)
• M14: 8,423,407 km (0.108 R)
• M15: 8,980,211 km (0.119 R)
• M16: 9,740,617 km (0.109 R)
• M17: 10,767,008 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.8

Radius: 9.9

Gravity: 10.04 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 4.54 AU - 5.96 AU

Year: 8022 Days

Day: 14.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 57,956,317 km

• M1: 128,953 km (0.036 R)
• M2: 542,143 km (0.085 R)
• M3: 1,457,382 km (0.087 R)
• M4: 1,858,155 km (0.102 R)
• M5: 2,206,419 km (0.065 R)
• M6: 2,578,768 km (0.078 R)
• M7: 3,524,077 km (0.117 R)
• M8: 3,956,116 km (0.112 R)
• M9: 4,394,886 km (0.041 R)
• M10: 4,927,006 km (0.078 R)
• M11: 5,273,026 km (0.075 R)
• M12: 5,702,820 km (0.11 R)
• M13: 6,708,567 km (0.053 R)
• M14: 9,589,972 km (0.085 R)
• M15: 10,589,136 km (0.045 R)
• M16: 11,656,367 km (0.094 R)
• M17: 14,065,940 km (0.097 R)
• M18: 16,579,334 km (0.106 R)
• M19: 17,868,568 km (0.088 R)
• M20: 19,069,540 km (0.053 R)
• M21: 19,925,838 km (0.085 R)
• M22: 21,798,953 km (0.099 R)
• M23: 23,256,934 km (0.107 R)
• M24: 28,218,946 km (0.109 R)
• M25: 28,821,675 km (0.049 R)
• M26: 31,748,707 km (0.087 R)
• M27: 32,840,323 km (0.083 R)
• M28: 38,064,430 km (0.093 R)
• M29: 38,677,033 km (0.089 R)
• M30: 40,047,799 km (0.103 R)
• M31: 41,839,084 km (0.063 R)
• M32: 46,549,771 km (0.084 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 854.2

Radius: 5.4

Gravity: 29.29 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 5.56 AU - 6.6 AU

Year: 9997 Days

Day: 16.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 57,956,317 km

• M1: 67,169 km (0.096 R)
• M2: 388,057 km (0.042 R)
• M3: 586,274 km (0.077 R)
• M4: 1,092,513 km (0.098 R)
• M5: 1,646,923 km (0.088 R)
• M6: 1,885,083 km (0.087 R)
• M7: 2,916,410 km (0.097 R)
• M8: 3,218,000 km (0.101 R)
• M9: 4,106,162 km (0.087 R)
• M10: 5,147,214 km (0.115 R)
• M11: 7,310,848 km (0.104 R)
• M12: 7,650,286 km (0.069 R)
• M13: 10,328,087 km (0.077 R)
• M14: 10,701,484 km (0.071 R)
• M15: 13,826,733 km (0.046 R)
• M16: 15,013,044 km (0.03 R)
• M17: 17,361,431 km (0.105 R)
• M18: 25,660,224 km (0.11 R)
• M19: 26,841,299 km (0.104 R)
• M20: 31,593,275 km (0.052 R)
• M21: 38,378,885 km (0.105 R)
• M22: 39,273,779 km (0.104 R)
• M23: 40,313,485 km (0.102 R)
• M24: 41,238,149 km (0.095 R)
• M25: 41,772,812 km (0.104 R)
• M26: 45,503,484 km (0.115 R)
• M27: 47,230,591 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 909.4

Radius: 7.5

Gravity: 16.17 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 6.19 AU - 7.19 AU

Year: 11539 Days

Day: 18.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 57,956,317 km

• M1: 93,199 km (0.039 R)
• M2: 442,062 km (0.119 R)
• M3: 684,560 km (0.113 R)
• M4: 986,598 km (0.091 R)
• M5: 1,244,953 km (0.111 R)
• M6: 3,421,154 km (0.077 R)
• M7: 4,081,180 km (0.098 R)
• M8: 4,725,946 km (0.086 R)
• M9: 6,492,398 km (0.094 R)
• M10: 8,229,229 km (0.066 R)
• M11: 10,640,747 km (0.096 R)
• M12: 14,220,026 km (0.043 R)
• M13: 14,769,499 km (0.109 R)
• M14: 17,418,578 km (0.083 R)
• M15: 20,628,499 km (0.085 R)
• M16: 21,155,084 km (0.057 R)
• M17: 22,052,521 km (0.091 R)
• M18: 22,788,543 km (0.065 R)
• M19: 25,896,887 km (0.098 R)
• M20: 28,948,235 km (0.106 R)
• M21: 32,939,955 km (0.088 R)
• M22: 33,418,369 km (0.056 R)
• M23: 33,901,271 km (0.117 R)
• M24: 38,459,668 km (0.102 R)
• M25: 39,929,916 km (0.111 R)
• M26: 41,437,413 km (0.102 R)
• M27: 45,889,147 km (0.116 R)
• M28: 51,607,376 km (0.033 R)
• M29: 54,054,947 km (0.087 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: 164 - 10,698 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit