🌌 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: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.3

Radius: 10

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.59 AU - 0.87 AU

Year: 423 Days

Day: 15 Hours

Environment

Temp: -161 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,230,960 km

• M1: 124,914 km (0.111 R)
• M2: 475,572 km (0.044 R)
• M3: 896,241 km (0.1 R)
• M4: 1,285,046 km (0.082 R)
• M5: 1,627,176 km (0.099 R)
• M6: 1,956,591 km (0.094 R)
• M7: 2,642,796 km (0.057 R)
• M8: 3,012,303 km (0.106 R)
• M9: 4,109,154 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.4

Radius: 14

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.82 AU - 1.06 AU

Year: 618 Days

Day: 11.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,230,960 km

• M1: 174,132 km (0.081 R)
• M2: 665,112 km (0.12 R)
• M3: 1,295,817 km (0.065 R)
• M4: 1,866,383 km (0.094 R)
• M5: 2,381,299 km (0.096 R)
• M6: 3,640,913 km (0.09 R)
• M7: 4,543,736 km (0.028 R)
• M8: 5,339,597 km (0.026 R)
• M9: 6,081,453 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95.9

Radius: 11.6

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.75 AU - 1.17 AU

Year: 638 Days

Day: 11.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 46,230,960 km

• M1: 148,700 km (0.089 R)
• M2: 727,345 km (0.104 R)
• M3: 1,446,611 km (0.08 R)
• M4: 1,812,079 km (0.057 R)
• M5: 2,546,305 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.8

Radius: 13.9

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.61 AU - 1.81 AU

Year: 1517 Days

Day: 7.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 46,230,960 km

• M1: 172,935 km (0.074 R)
• M2: 961,316 km (0.113 R)
• M3: 2,142,092 km (0.061 R)
• M4: 2,912,671 km (0.082 R)
• M5: 3,952,974 km (0.073 R)
• M6: 4,632,448 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528

Radius: 11.4

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.89 AU - 2.59 AU

Year: 2274 Days

Day: 7 Hours

Environment

Temp: -203 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,230,960 km

• M1: 141,819 km (0.098 R)
• M2: 558,449 km (0.116 R)
• M3: 1,046,587 km (0.026 R)
• M4: 1,591,422 km (0.088 R)
• M5: 2,244,566 km (0.082 R)
• M6: 3,526,471 km (0.114 R)
• M7: 4,085,368 km (0.083 R)
• M8: 5,496,974 km (0.055 R)
• M9: 6,124,537 km (0.066 R)
• M10: 8,483,246 km (0.116 R)
• M11: 9,456,081 km (0.085 R)
• M12: 10,215,590 km (0.075 R)
• M13: 10,719,735 km (0.093 R)
• M14: 11,545,664 km (0.058 R)
• M15: 12,616,486 km (0.106 R)
• M16: 13,029,526 km (0.086 R)
• M17: 13,970,197 km (0.111 R)
• M18: 14,772,939 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.1

Radius: 8.7

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.26 AU - 2.84 AU

Year: 2762 Days

Day: 9.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,230,960 km

• M1: 112,647 km (0.102 R)
• M2: 415,583 km (0.052 R)
• M3: 769,980 km (0.085 R)
• M4: 1,108,520 km (0.107 R)
• M5: 1,670,410 km (0.116 R)
• M6: 3,617,127 km (0.112 R)
• M7: 3,964,344 km (0.068 R)
• M8: 5,741,566 km (0.059 R)
• M9: 7,404,347 km (0.116 R)
• M10: 8,375,985 km (0.041 R)
• M11: 12,802,885 km (0.088 R)
• M12: 14,369,175 km (0.054 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.2

Radius: 12.1

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.36 AU - 3 AU

Year: 2976 Days

Day: 14.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 46,230,960 km

• M1: 150,495 km (0.119 R)
• M2: 548,426 km (0.112 R)
• M3: 1,000,511 km (0.086 R)
• M4: 1,457,083 km (0.104 R)
• M5: 2,053,380 km (0.105 R)
• M6: 2,522,519 km (0.091 R)
• M7: 3,986,933 km (0.08 R)
• M8: 4,537,303 km (0.063 R)
• M9: 5,629,517 km (0.109 R)
• M10: 7,012,699 km (0.05 R)
• M11: 7,884,257 km (0.064 R)
• M12: 9,194,435 km (0.092 R)
• M13: 12,561,434 km (0.114 R)
• M14: 13,121,977 km (0.089 R)
• M15: 14,444,273 km (0.094 R)
• M16: 14,852,675 km (0.082 R)
• M17: 16,288,216 km (0.106 R)
• M18: 20,374,781 km (0.062 R)
• M19: 21,149,249 km (0.118 R)
• M20: 22,212,142 km (0.075 R)
• M21: 23,520,376 km (0.051 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 645

Radius: 5.3

Gravity: 22.96 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 4.74 AU - 6.94 AU

Year: 9572 Days

Day: 20.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 46,230,960 km

• M1: 65,973 km (0.069 R)
• M2: 235,617 km (0.097 R)
• M3: 452,683 km (0.055 R)
• M4: 1,034,320 km (0.109 R)
• M5: 1,503,758 km (0.077 R)
• M6: 2,430,517 km (0.065 R)
• M7: 3,115,376 km (0.089 R)
• M8: 3,299,082 km (0.071 R)
• M9: 3,688,635 km (0.051 R)
• M10: 5,459,574 km (0.045 R)
• M11: 6,110,175 km (0.053 R)
• M12: 6,326,045 km (0.09 R)
• M13: 8,773,616 km (0.113 R)
• M14: 9,664,022 km (0.093 R)
• M15: 10,106,234 km (0.089 R)
• M16: 10,510,447 km (0.064 R)
• M17: 10,716,593 km (0.045 R)
• M18: 12,521,641 km (0.094 R)
• M19: 12,695,175 km (0.088 R)
• M20: 16,581,877 km (0.099 R)
• M21: 17,144,066 km (0.08 R)
• M22: 17,646,415 km (0.087 R)
• M23: 19,212,107 km (0.095 R)
• M24: 20,147,093 km (0.11 R)
• M25: 21,030,618 km (0.12 R)
• M26: 21,939,575 km (0.084 R)
• M27: 22,702,524 km (0.06 R)
• M28: 22,960,730 km (0.069 R)
• M29: 25,373,594 km (0.099 R)
• M30: 27,557,873 km (0.111 R)
• M31: 29,352,449 km (0.052 R)
• M32: 33,616,437 km (0.081 R)
• M33: 36,598,670 km (0.058 R)
• M34: 41,139,863 km (0.069 R)
• M35: 42,039,395 km (0.098 R)
• M36: 44,816,081 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 601.3

Radius: 7.7

Gravity: 10.14 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 6.64 AU - 7.8 AU

Year: 13158 Days

Day: 18.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 46,230,960 km

• M1: 95,743 km (0.082 R)
• M2: 765,193 km (0.071 R)
• M3: 1,018,761 km (0.09 R)
• M4: 1,766,601 km (0.075 R)
• M5: 2,239,031 km (0.075 R)
• M6: 2,557,076 km (0.066 R)
• M7: 3,067,056 km (0.045 R)
• M8: 4,348,810 km (0.052 R)
• M9: 8,332,601 km (0.051 R)
• M10: 10,664,084 km (0.064 R)
• M11: 17,015,262 km (0.094 R)
• M12: 20,544,276 km (0.116 R)
• M13: 21,321,885 km (0.069 R)
• M14: 23,027,600 km (0.096 R)
• M15: 25,704,056 km (0.059 R)
• M16: 29,332,702 km (0.035 R)
• M17: 34,966,109 km (0.116 R)
• M18: 35,825,548 km (0.081 R)
• M19: 39,141,236 km (0.077 R)
• M20: 39,934,553 km (0.09 R)
• M21: 41,280,336 km (0.081 R)
• M22: 45,935,821 km (0.099 R)
• M23: 47,412,801 km (0.059 R)
• M24: 49,379,864 km (0.108 R)
• M25: 52,831,685 km (0.098 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 133.6

Radius: 7.4

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 9.8 AU - 10.2 AU

Year: 21448 Days

Day: 15.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 46,230,960 km

• M1: 96,191 km (0.108 R)
• M2: 472,280 km (0.079 R)
• M3: 812,915 km (0.091 R)
• M4: 1,252,583 km (0.12 R)
• M5: 1,493,286 km (0.115 R)
• M6: 2,725,075 km (0.109 R)
• M7: 3,111,785 km (0.053 R)
• M8: 3,486,079 km (0.089 R)
• M9: 3,863,664 km (0.085 R)
• M10: 4,240,651 km (0.104 R)
• M11: 5,099,492 km (0.047 R)
• M12: 5,553,522 km (0.077 R)
• M13: 5,824,892 km (0.097 R)
• M14: 6,692,410 km (0.083 R)
• M15: 6,999,984 km (0.1 R)
• M16: 7,852,392 km (0.088 R)
• M17: 11,035,087 km (0.077 R)
• M18: 15,917,662 km (0.12 R)
• M19: 23,892,725 km (0.029 R)
• M20: 24,160,804 km (0.084 R)
• M21: 24,612,141 km (0.072 R)
• M22: 27,831,337 km (0.062 R)
• M23: 28,930,134 km (0.111 R)
• M24: 30,265,594 km (0.117 R)
• M25: 30,579,600 km (0.085 R)
• M26: 32,618,619 km (0.077 R)
• M27: 38,048,573 km (0.072 R)
• M28: 41,040,530 km (0.108 R)
• M29: 45,954,671 km (0.055 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 365 - 20,084 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit