🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.7

Radius: 13.4

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.66 AU - 0.74 AU

Year: 412 Days

Day: 9.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 65,090,531 km

• M1: 166,951 km (0.112 R)
• M2: 593,305 km (0.061 R)
• M3: 1,069,475 km (0.1 R)
• M4: 1,647,073 km (0.066 R)
• M5: 2,133,116 km (0.043 R)
• M6: 2,770,403 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.2

Radius: 9.3

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.98 AU - 1.04 AU

Year: 713 Days

Day: 14.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,090,531 km

• M1: 116,238 km (0.093 R)
• M2: 430,543 km (0.042 R)
• M3: 839,543 km (0.058 R)
• M4: 1,555,668 km (0.116 R)
• M5: 1,950,457 km (0.091 R)
• M6: 2,596,570 km (0.075 R)
• M7: 3,069,898 km (0.093 R)
• M8: 3,390,187 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.3

Radius: 15

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 3.32 AU - 4.04 AU

Year: 4962 Days

Day: 7.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,090,531 km

• M1: 186,698 km (0.069 R)
• M2: 674,387 km (0.087 R)
• M3: 1,353,412 km (0.086 R)
• M4: 1,906,924 km (0.096 R)
• M5: 2,494,544 km (0.11 R)
• M6: 3,104,754 km (0.119 R)
• M7: 5,358,446 km (0.083 R)
• M8: 6,676,553 km (0.111 R)
• M9: 11,834,538 km (0.117 R)
• M10: 16,980,406 km (0.086 R)
• M11: 18,386,177 km (0.041 R)
• M12: 22,090,519 km (0.087 R)
• M13: 24,553,499 km (0.067 R)
• M14: 25,686,702 km (0.119 R)
• M15: 26,433,495 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.9

Radius: 11

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 4.2 AU - 6.54 AU

Year: 8747 Days

Day: 10.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 65,090,531 km

• M1: 137,331 km (0.099 R)
• M2: 588,219 km (0.092 R)
• M3: 1,191,996 km (0.106 R)
• M4: 1,947,465 km (0.057 R)
• M5: 2,644,741 km (0.12 R)
• M6: 2,997,642 km (0.111 R)
• M7: 3,501,338 km (0.061 R)
• M8: 4,858,939 km (0.091 R)
• M9: 5,263,451 km (0.068 R)
• M10: 6,105,089 km (0.092 R)
• M11: 6,502,870 km (0.103 R)
• M12: 7,270,606 km (0.093 R)
• M13: 8,758,507 km (0.085 R)
• M14: 9,454,735 km (0.118 R)
• M15: 10,852,727 km (0.05 R)
• M16: 11,710,970 km (0.05 R)
• M17: 12,846,717 km (0.112 R)
• M18: 13,381,230 km (0.06 R)
• M19: 14,494,687 km (0.083 R)
• M20: 14,944,079 km (0.119 R)
• M21: 16,486,134 km (0.104 R)
• M22: 17,547,531 km (0.055 R)
• M23: 24,528,815 km (0.095 R)
• M24: 27,247,158 km (0.06 R)
• M25: 30,787,840 km (0.045 R)
• M26: 31,424,080 km (0.035 R)
• M27: 32,723,188 km (0.076 R)
• M28: 34,057,601 km (0.114 R)
• M29: 39,509,994 km (0.106 R)
• M30: 43,098,997 km (0.03 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 99.6

Radius: 4.6

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 5.34 AU - 6.2 AU

Year: 9743 Days

Day: 17.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 178.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,090,531 km

• M1: 58,493 km (0.113 R)
• M2: 203,752 km (0.091 R)
• M3: 772,224 km (0.086 R)
• M4: 1,116,748 km (0.092 R)
• M5: 1,268,889 km (0.088 R)
• M6: 1,723,367 km (0.07 R)
• M7: 2,946,928 km (0.069 R)
• M8: 4,124,264 km (0.117 R)
• M9: 5,833,868 km (0.118 R)
• M10: 6,090,728 km (0.104 R)
• M11: 7,965,787 km (0.098 R)
• M12: 9,281,501 km (0.092 R)
• M13: 11,339,668 km (0.113 R)
• M14: 11,516,493 km (0.051 R)
• M15: 11,920,856 km (0.102 R)
• M16: 14,445,021 km (0.055 R)
• M17: 16,613,292 km (0.098 R)
• M18: 17,129,405 km (0.113 R)
• M19: 19,176,053 km (0.105 R)
• M20: 21,649,953 km (0.053 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 174.1

Radius: 6.6

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 5.69 AU - 8.33 AU

Year: 13046 Days

Day: 16 Hours

Environment

Temp: -225 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,090,531 km

• M1: 82,129 km (0.066 R)
• M2: 842,535 km (0.067 R)
• M3: 3,958,360 km (0.099 R)
• M4: 9,608,222 km (0.056 R)
• M5: 10,061,055 km (0.081 R)
• M6: 17,312,513 km (0.088 R)
• M7: 22,609,773 km (0.114 R)
• M8: 27,518,379 km (0.117 R)
• M9: 28,801,480 km (0.086 R)
• M10: 30,605,780 km (0.117 R)
• M11: 33,606,114 km (0.032 R)
• M12: 34,753,530 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 366.6

Radius: 7.8

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 7.37 AU - 12.27 AU

Year: 21631 Days

Day: 15.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 65,090,531 km

• M1: 97,987 km (0.109 R)
• M2: 535,860 km (0.076 R)
• M3: 898,186 km (0.096 R)
• M4: 1,585,737 km (0.09 R)
• M5: 2,206,868 km (0.101 R)
• M6: 2,765,915 km (0.107 R)
• M7: 3,029,357 km (0.101 R)
• M8: 3,362,511 km (0.12 R)
• M9: 4,414,484 km (0.032 R)
• M10: 5,747,401 km (0.12 R)
• M11: 7,062,515 km (0.086 R)
• M12: 9,394,746 km (0.096 R)
• M13: 10,274,382 km (0.108 R)
• M14: 11,695,262 km (0.097 R)
• M15: 12,133,285 km (0.118 R)
• M16: 13,310,022 km (0.096 R)
• M17: 14,418,243 km (0.087 R)
• M18: 17,945,910 km (0.056 R)
• M19: 18,528,743 km (0.038 R)
• M20: 18,867,433 km (0.051 R)
• M21: 19,210,311 km (0.11 R)
• M22: 24,355,730 km (0.108 R)
• M23: 25,484,596 km (0.111 R)
• M24: 25,903,619 km (0.049 R)
• M25: 26,755,579 km (0.07 R)
• M26: 27,736,044 km (0.096 R)
• M27: 31,177,692 km (0.116 R)
• M28: 33,875,391 km (0.109 R)
• M29: 36,591,938 km (0.064 R)
• M30: 40,011,147 km (0.107 R)
• M31: 40,719,643 km (0.112 R)
• M32: 45,147,590 km (0.114 R)
• M33: 48,431,263 km (0.114 R)
• M34: 64,313,770 km (0.084 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: 349 - 13,116 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit