🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.86 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.9

Radius: 14.2

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.36 AU - 2.06 AU

Year: 1467 Days

Day: 7.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,988,748 km

• M1: 176,675 km (0.106 R)
• M2: 668,852 km (0.104 R)
• M3: 1,255,126 km (0.112 R)
• M4: 1,848,132 km (0.115 R)
• M5: 2,459,838 km (0.111 R)
• M6: 3,281,130 km (0.057 R)
• M7: 4,060,984 km (0.118 R)
• M8: 4,680,020 km (0.092 R)
• M9: 6,180,337 km (0.114 R)
• M10: 6,950,616 km (0.048 R)
• M11: 8,009,769 km (0.065 R)
• M12: 12,288,717 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.9

Radius: 11.2

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.71 AU - 2.21 AU

Year: 1800 Days

Day: 8.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,988,748 km

• M1: 139,575 km (0.082 R)
• M2: 851,212 km (0.08 R)
• M3: 2,364,694 km (0.079 R)
• M4: 3,267,068 km (0.105 R)
• M5: 4,309,765 km (0.12 R)
• M6: 4,816,752 km (0.091 R)
• M7: 5,561,899 km (0.109 R)
• M8: 6,139,945 km (0.041 R)
• M9: 6,783,216 km (0.104 R)
• M10: 8,558,943 km (0.12 R)
• M11: 9,947,361 km (0.11 R)
• M12: 11,407,586 km (0.054 R)
• M13: 12,227,382 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.6

Radius: 14

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.83 AU - 3.63 AU

Year: 3808 Days

Day: 7.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,988,748 km

• M1: 174,132 km (0.111 R)
• M2: 878,738 km (0.076 R)
• M3: 2,146,281 km (0.095 R)
• M4: 4,274,610 km (0.076 R)
• M5: 5,483,061 km (0.081 R)
• M6: 6,721,432 km (0.061 R)
• M7: 7,489,767 km (0.097 R)
• M8: 9,125,919 km (0.11 R)
• M9: 10,903,291 km (0.08 R)
• M10: 13,735,927 km (0.119 R)
• M11: 14,605,689 km (0.093 R)
• M12: 17,971,491 km (0.062 R)
• M13: 18,887,629 km (0.097 R)
• M14: 19,579,070 km (0.083 R)
• M15: 20,680,858 km (0.065 R)
• M16: 25,277,702 km (0.114 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 878.3

Radius: 3.5

Gravity: 71.7 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 5.18 AU - 6.76 AU

Year: 9569 Days

Day: 19.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 57,988,748 km

• M1: 43,533 km (0.095 R)
• M2: 165,156 km (0.112 R)
• M3: 278,850 km (0.057 R)
• M4: 472,430 km (0.106 R)
• M5: 682,615 km (0.068 R)
• M6: 795,711 km (0.1 R)
• M7: 1,082,789 km (0.09 R)
• M8: 1,340,547 km (0.098 R)
• M9: 1,810,134 km (0.076 R)
• M10: 2,046,798 km (0.089 R)
• M11: 2,209,710 km (0.077 R)
• M12: 3,374,928 km (0.083 R)
• M13: 3,500,291 km (0.069 R)
• M14: 3,786,621 km (0.074 R)
• M15: 5,058,054 km (0.059 R)
• M16: 6,666,979 km (0.075 R)
• M17: 6,984,874 km (0.068 R)
• M18: 7,312,643 km (0.09 R)
• M19: 9,155,988 km (0.079 R)
• M20: 11,853,088 km (0.103 R)
• M21: 14,241,119 km (0.086 R)
• M22: 17,224,848 km (0.079 R)
• M23: 20,599,776 km (0.073 R)
• M24: 21,187,995 km (0.047 R)
• M25: 23,743,875 km (0.116 R)
• M26: 25,429,394 km (0.083 R)
• M27: 26,105,876 km (0.111 R)
• M28: 27,293,384 km (0.1 R)
• M29: 30,635,101 km (0.089 R)
• M30: 31,955,452 km (0.077 R)
• M31: 37,741,000 km (0.098 R)
• M32: 45,445,290 km (0.101 R)
• M33: 48,769,654 km (0.109 R)
• M34: 49,513,155 km (0.095 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 665.4

Radius: 7.5

Gravity: 11.83 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 7.07 AU - 7.95 AU

Year: 13501 Days

Day: 24.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 57,988,748 km

• M1: 93,199 km (0.096 R)
• M2: 392,994 km (0.11 R)
• M3: 779,405 km (0.116 R)
• M4: 1,053,319 km (0.088 R)
• M5: 2,429,619 km (0.054 R)
• M6: 3,049,702 km (0.111 R)
• M7: 3,826,414 km (0.09 R)
• M8: 4,958,122 km (0.117 R)
• M9: 5,655,398 km (0.108 R)
• M10: 6,946,428 km (0.119 R)
• M11: 7,728,076 km (0.056 R)
• M12: 17,119,083 km (0.12 R)
• M13: 21,344,475 km (0.025 R)
• M14: 24,910,738 km (0.056 R)
• M15: 25,407,852 km (0.04 R)
• M16: 25,709,142 km (0.111 R)
• M17: 27,992,604 km (0.088 R)
• M18: 28,421,800 km (0.097 R)
• M19: 29,073,748 km (0.103 R)
• M20: 29,624,717 km (0.07 R)
• M21: 36,918,062 km (0.089 R)
• M22: 41,878,428 km (0.074 R)
• M23: 46,511,773 km (0.083 R)
• M24: 47,874,011 km (0.1 R)
• M25: 57,124,695 km (0.086 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 169 - 10,578 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit