🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.1

Radius: 10.1

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.7 AU - 0.88 AU

Year: 461 Days

Day: 10.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 169 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 95,563,130 km

• M1: 125,662 km (0.109 R)
• M2: 843,134 km (0.103 R)
• M3: 1,176,438 km (0.1 R)
• M4: 1,530,386 km (0.087 R)
• M5: 1,948,063 km (0.105 R)
• M6: 2,375,016 km (0.042 R)
• M7: 3,004,823 km (0.116 R)
• M8: 3,729,475 km (0.084 R)
• M9: 5,625,329 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.7

Radius: 10.6

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.72 AU - 1.08 AU

Year: 560 Days

Day: 10.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 95,563,130 km

• M1: 131,796 km (0.087 R)
• M2: 486,193 km (0.119 R)
• M3: 870,211 km (0.06 R)
• M4: 1,451,399 km (0.057 R)
• M5: 2,342,403 km (0.047 R)
• M6: 2,695,454 km (0.054 R)
• M7: 3,754,757 km (0.058 R)
• M8: 4,266,531 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.9

Radius: 14.4

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.84 AU - 1.1 AU

Year: 627 Days

Day: 7.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 95,563,130 km

• M1: 179,218 km (0.089 R)
• M2: 826,079 km (0.072 R)
• M3: 2,617,065 km (0.076 R)
• M4: 3,627,748 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995

Radius: 12.1

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.94 AU - 1.48 AU

Year: 873 Days

Day: 11.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 95,563,130 km

• M1: 150,944 km (0.113 R)
• M2: 532,419 km (0.12 R)
• M3: 999,763 km (0.042 R)
• M4: 1,539,512 km (0.115 R)
• M5: 2,000,273 km (0.057 R)
• M6: 2,636,662 km (0.109 R)
• M7: 4,164,655 km (0.098 R)
• M8: 6,086,838 km (0.1 R)
• M9: 6,665,184 km (0.053 R)
• M10: 7,402,551 km (0.101 R)
• M11: 7,906,547 km (0.112 R)
• M12: 8,843,777 km (0.107 R)
• M13: 9,382,778 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.8

Radius: 9.4

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.49 AU - 1.55 AU

Year: 1229 Days

Day: 8 Hours

Environment

Temp: -185 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 95,563,130 km

• M1: 116,986 km (0.066 R)
• M2: 533,466 km (0.102 R)
• M3: 903,422 km (0.105 R)
• M4: 1,717,832 km (0.096 R)
• M5: 2,335,372 km (0.115 R)
• M6: 3,768,670 km (0.11 R)
• M7: 4,885,118 km (0.116 R)
• M8: 5,969,254 km (0.072 R)
• M9: 7,280,031 km (0.115 R)
• M10: 7,654,773 km (0.088 R)
• M11: 8,095,040 km (0.073 R)
• M12: 9,665,818 km (0.115 R)
• M13: 10,586,293 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.4

Radius: 8.9

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.56 AU - 3.36 AU

Year: 3341 Days

Day: 14.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 95,563,130 km

• M1: 110,702 km (0.07 R)
• M2: 785,987 km (0.085 R)
• M3: 1,297,462 km (0.066 R)
• M4: 2,806,606 km (0.116 R)
• M5: 3,431,775 km (0.057 R)
• M6: 4,313,655 km (0.083 R)
• M7: 6,491,650 km (0.103 R)
• M8: 7,551,551 km (0.1 R)
• M9: 12,959,664 km (0.046 R)
• M10: 16,864,467 km (0.052 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 898

Radius: 5.9

Gravity: 25.8 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 7.04 AU - 11.62 AU

Year: 18695 Days

Day: 18.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 95,563,130 km

• M1: 73,453 km (0.109 R)
• M2: 654,191 km (0.058 R)
• M3: 1,200,673 km (0.115 R)
• M4: 1,604,437 km (0.059 R)
• M5: 1,819,409 km (0.072 R)
• M6: 2,535,834 km (0.072 R)
• M7: 3,063,764 km (0.12 R)
• M8: 3,784,377 km (0.105 R)
• M9: 4,864,474 km (0.073 R)
• M10: 5,396,444 km (0.119 R)
• M11: 5,676,491 km (0.098 R)
• M12: 6,711,260 km (0.103 R)
• M13: 6,988,465 km (0.088 R)
• M14: 9,260,258 km (0.057 R)
• M15: 12,321,778 km (0.04 R)
• M16: 14,419,290 km (0.063 R)
• M17: 15,834,486 km (0.094 R)
• M18: 16,326,214 km (0.11 R)
• M19: 18,127,372 km (0.106 R)
• M20: 19,867,495 km (0.087 R)
• M21: 21,516,063 km (0.116 R)
• M22: 22,220,819 km (0.102 R)
• M23: 25,638,831 km (0.101 R)
• M24: 27,472,452 km (0.118 R)
• M25: 27,944,284 km (0.113 R)
• M26: 35,543,556 km (0.12 R)
• M27: 40,797,583 km (0.09 R)
• M28: 47,723,666 km (0.085 R)
• M29: 49,962,248 km (0.111 R)
• M30: 51,018,708 km (0.054 R)
• M31: 62,617,630 km (0.056 R)
• M32: 64,672,655 km (0.113 R)
• M33: 65,927,034 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 958.1

Radius: 6.1

Gravity: 25.75 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 9.2 AU - 12.72 AU

Year: 23803 Days

Day: 24 Hours

Environment

Temp: -241 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 95,563,130 km

• M1: 75,846 km (0.086 R)
• M2: 271,520 km (0.059 R)
• M3: 947,553 km (0.113 R)
• M4: 1,773,632 km (0.091 R)
• M5: 2,127,431 km (0.117 R)
• M6: 2,679,896 km (0.083 R)
• M7: 3,032,050 km (0.047 R)
• M8: 3,414,721 km (0.111 R)
• M9: 3,665,746 km (0.084 R)
• M10: 4,681,067 km (0.083 R)
• M11: 5,482,612 km (0.037 R)
• M12: 6,900,651 km (0.096 R)
• M13: 9,309,775 km (0.089 R)
• M14: 10,768,504 km (0.085 R)
• M15: 12,446,692 km (0.111 R)
• M16: 12,967,143 km (0.105 R)
• M17: 14,291,683 km (0.073 R)
• M18: 15,028,303 km (0.096 R)
• M19: 15,618,466 km (0.101 R)
• M20: 19,290,795 km (0.116 R)
• M21: 22,613,663 km (0.111 R)
• M22: 23,500,330 km (0.042 R)
• M23: 25,937,578 km (0.114 R)
• M24: 26,178,281 km (0.101 R)
• M25: 30,901,834 km (0.074 R)
• M26: 37,681,908 km (0.102 R)
• M27: 40,198,593 km (0.089 R)
• M28: 43,668,965 km (0.068 R)
• M29: 48,782,220 km (0.093 R)
• M30: 59,967,653 km (0.081 R)
• M31: 63,607,219 km (0.096 R)
• M32: 66,039,082 km (0.112 R)
• M33: 78,629,090 km (0.096 R)
• M34: 79,386,055 km (0.053 R)
• M35: 80,402,872 km (0.033 R)
• M36: 81,171,057 km (0.06 R)
• M37: 83,243,735 km (0.1 R)
• M38: 85,617,255 km (0.079 R)
• M39: 95,563,120 km (0.094 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 156 - 19,247 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit