🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.8

Radius: 11.2

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.68 AU - 0.84 AU

Year: 435 Days

Day: 13 Hours

Environment

Temp: -134 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,614,759 km

• M1: 139,276 km (0.056 R)
• M2: 514,317 km (0.056 R)
• M3: 1,281,755 km (0.065 R)
• M4: 1,752,090 km (0.118 R)
• M5: 2,374,417 km (0.087 R)
• M6: 2,966,975 km (0.049 R)
• M7: 3,347,103 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.8

Radius: 10

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.96 AU - 1.18 AU

Year: 726 Days

Day: 8.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,614,759 km

• M1: 124,316 km (0.105 R)
• M2: 461,360 km (0.037 R)
• M3: 809,175 km (0.073 R)
• M4: 1,138,141 km (0.051 R)
• M5: 2,157,500 km (0.119 R)
• M6: 2,608,239 km (0.109 R)
• M7: 3,054,789 km (0.114 R)
• M8: 3,750,269 km (0.11 R)
• M9: 4,723,254 km (0.065 R)
• M10: 5,072,116 km (0.089 R)
• M11: 5,536,767 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.8

Radius: 10.9

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.13 AU - 3.19 AU

Year: 2846 Days

Day: 7 Hours

Environment

Temp: -202 °C

Axial Tilt: 82.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,614,759 km

• M1: 135,536 km (0.106 R)
• M2: 481,406 km (0.106 R)
• M3: 879,935 km (0.039 R)
• M4: 1,245,402 km (0.112 R)
• M5: 2,299,918 km (0.089 R)
• M6: 2,823,061 km (0.083 R)
• M7: 3,353,685 km (0.039 R)
• M8: 3,930,235 km (0.084 R)
• M9: 5,068,376 km (0.049 R)
• M10: 5,476,628 km (0.042 R)
• M11: 5,984,962 km (0.116 R)
• M12: 7,670,182 km (0.105 R)
• M13: 8,538,897 km (0.057 R)
• M14: 9,543,447 km (0.044 R)
• M15: 10,937,400 km (0.093 R)
• M16: 12,037,243 km (0.04 R)
• M17: 12,722,850 km (0.102 R)
• M18: 14,503,364 km (0.12 R)
• M19: 16,652,637 km (0.034 R)
• M20: 17,074,802 km (0.071 R)
• M21: 19,583,857 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.3

Radius: 11.8

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 4.45 AU - 4.47 AU

Year: 6179 Days

Day: 9.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,614,759 km

• M1: 153,787 km (0.082 R)
• M2: 542,143 km (0.12 R)
• M3: 1,244,355 km (0.09 R)
• M4: 1,736,382 km (0.109 R)
• M5: 2,494,395 km (0.065 R)
• M6: 3,352,787 km (0.116 R)
• M7: 3,827,312 km (0.098 R)
• M8: 5,025,591 km (0.071 R)
• M9: 5,466,157 km (0.109 R)
• M10: 5,964,617 km (0.095 R)
• M11: 7,234,254 km (0.027 R)
• M12: 8,969,589 km (0.06 R)
• M13: 9,575,760 km (0.093 R)
• M14: 14,672,410 km (0.064 R)
• M15: 15,210,364 km (0.07 R)
• M16: 16,136,075 km (0.025 R)
• M17: 16,709,334 km (0.056 R)
• M18: 18,032,079 km (0.069 R)
• M19: 19,352,130 km (0.096 R)
• M20: 20,512,860 km (0.079 R)
• M21: 22,892,962 km (0.077 R)
• M22: 23,454,852 km (0.116 R)
• M23: 26,755,878 km (0.056 R)
• M24: 32,621,760 km (0.066 R)
• M25: 33,231,222 km (0.072 R)
• M26: 36,176,655 km (0.069 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 351.6

Radius: 6.4

Gravity: 8.58 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 8.64 AU - 10.78 AU

Year: 19849 Days

Day: 16.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 60,614,759 km

• M1: 88,562 km (0.117 R)
• M2: 346,618 km (0.103 R)
• M3: 1,083,388 km (0.076 R)
• M4: 3,023,223 km (0.088 R)
• M5: 4,759,456 km (0.09 R)
• M6: 6,526,357 km (0.093 R)
• M7: 7,245,174 km (0.071 R)
• M8: 8,689,841 km (0.091 R)
• M9: 9,142,973 km (0.119 R)
• M10: 9,401,478 km (0.12 R)
• M11: 10,939,943 km (0.097 R)
• M12: 12,831,009 km (0.059 R)
• M13: 14,160,635 km (0.094 R)
• M14: 15,726,476 km (0.063 R)
• M15: 21,654,441 km (0.057 R)
• M16: 23,920,400 km (0.087 R)
• M17: 25,110,451 km (0.105 R)
• M18: 26,758,122 km (0.059 R)
• M19: 27,394,063 km (0.086 R)
• M20: 32,729,471 km (0.11 R)
• M21: 34,071,065 km (0.086 R)
• M22: 43,478,377 km (0.055 R)
• M23: 50,359,131 km (0.104 R)
• M24: 57,755,250 km (0.099 R)
• M25: 58,461,501 km (0.095 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 338 - 15,678 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit