🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.9

Radius: 13.4

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.57 AU - 0.85 AU

Year: 399 Days

Day: 12 Hours

Environment

Temp: -154 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,182,229 km

• M1: 168,447 km (0.091 R)
• M2: 585,526 km (0.109 R)
• M3: 1,013,825 km (0.111 R)
• M4: 1,473,838 km (0.117 R)
• M5: 1,934,001 km (0.099 R)
• M6: 2,364,544 km (0.117 R)
• M7: 2,819,172 km (0.047 R)
• M8: 3,564,917 km (0.092 R)
• M9: 3,997,853 km (0.103 R)
• M10: 4,550,169 km (0.093 R)
• M11: 5,292,623 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.7

Radius: 8.4

Gravity: 12.72 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.69 AU - 0.91 AU

Year: 477 Days

Day: 12.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 80,182,229 km

• M1: 104,419 km (0.075 R)
• M2: 443,109 km (0.104 R)
• M3: 1,000,660 km (0.097 R)
• M4: 1,356,404 km (0.09 R)
• M5: 1,654,702 km (0.067 R)
• M6: 1,919,640 km (0.085 R)
• M7: 2,588,642 km (0.051 R)
• M8: 3,255,698 km (0.096 R)
• M9: 3,797,093 km (0.08 R)
• M10: 4,352,251 km (0.095 R)
• M11: 5,108,618 km (0.051 R)
• M12: 5,713,292 km (0.045 R)
• M13: 6,230,751 km (0.115 R)
• M14: 6,658,900 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.6

Radius: 9.2

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.86 AU - 0.9 AU

Year: 550 Days

Day: 5 Hours

Environment

Temp: -178 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 80,182,229 km

• M1: 114,442 km (0.06 R)
• M2: 551,567 km (0.119 R)
• M3: 951,442 km (0.059 R)
• M4: 1,329,027 km (0.049 R)
• M5: 1,639,593 km (0.117 R)
• M6: 2,393,566 km (0.074 R)
• M7: 2,703,982 km (0.095 R)
• M8: 3,135,272 km (0.11 R)
• M9: 3,565,815 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179

Radius: 14.2

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.89 AU - 1.31 AU

Year: 769 Days

Day: 14.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 80,182,229 km

• M1: 176,525 km (0.088 R)
• M2: 719,715 km (0.05 R)
• M3: 1,175,690 km (0.077 R)
• M4: 2,395,660 km (0.062 R)
• M5: 3,223,086 km (0.118 R)
• M6: 3,972,721 km (0.116 R)
• M7: 4,451,733 km (0.065 R)
• M8: 5,321,047 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.9

Radius: 12.1

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.08 AU - 1.52 AU

Year: 988 Days

Day: 5.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,182,229 km

• M1: 150,495 km (0.117 R)
• M2: 542,591 km (0.101 R)
• M3: 982,409 km (0.115 R)
• M4: 1,700,778 km (0.045 R)
• M5: 3,090,991 km (0.069 R)
• M6: 3,692,973 km (0.108 R)
• M7: 4,226,589 km (0.083 R)
• M8: 4,759,007 km (0.113 R)
• M9: 5,224,406 km (0.093 R)
• M10: 6,122,442 km (0.095 R)
• M11: 7,075,082 km (0.119 R)
• M12: 7,975,212 km (0.061 R)
• M13: 8,817,448 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.5

Radius: 8.2

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.8 AU - 2.66 AU

Year: 2221 Days

Day: 5.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,182,229 km

• M1: 103,522 km (0.086 R)
• M2: 422,016 km (0.042 R)
• M3: 1,262,905 km (0.088 R)
• M4: 1,533,528 km (0.104 R)
• M5: 2,589,838 km (0.089 R)
• M6: 3,720,649 km (0.111 R)
• M7: 4,849,963 km (0.061 R)
• M8: 6,214,445 km (0.032 R)
• M9: 6,729,211 km (0.101 R)
• M10: 7,127,591 km (0.046 R)
• M11: 8,364,915 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 578.8

Radius: 6.2

Gravity: 15.06 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 9.23 AU - 12.29 AU

Year: 23537 Days

Day: 16.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 80,182,229 km

• M1: 77,193 km (0.117 R)
• M2: 347,516 km (0.067 R)
• M3: 600,935 km (0.093 R)
• M4: 884,423 km (0.103 R)
• M5: 2,154,509 km (0.112 R)
• M6: 2,653,118 km (0.108 R)
• M7: 3,814,447 km (0.088 R)
• M8: 5,761,164 km (0.102 R)
• M9: 6,139,945 km (0.081 R)
• M10: 8,288,171 km (0.062 R)
• M11: 9,103,180 km (0.086 R)
• M12: 9,851,917 km (0.101 R)
• M13: 10,090,227 km (0.117 R)
• M14: 10,393,611 km (0.054 R)
• M15: 14,678,992 km (0.096 R)
• M16: 16,950,785 km (0.108 R)
• M17: 18,529,043 km (0.082 R)
• M18: 20,782,286 km (0.101 R)
• M19: 21,076,246 km (0.07 R)
• M20: 21,273,715 km (0.054 R)
• M21: 21,873,602 km (0.106 R)
• M22: 24,932,879 km (0.08 R)
• M23: 32,669,333 km (0.076 R)
• M24: 33,601,776 km (0.104 R)
• M25: 35,380,345 km (0.069 R)
• M26: 36,933,470 km (0.106 R)
• M27: 38,237,515 km (0.113 R)
• M28: 42,648,259 km (0.113 R)
• M29: 47,386,322 km (0.068 R)
• M30: 48,408,674 km (0.119 R)
• M31: 49,271,704 km (0.109 R)
• M32: 50,144,907 km (0.116 R)
• M33: 51,206,454 km (0.094 R)
• M34: 54,480,553 km (0.108 R)
• M35: 58,279,291 km (0.104 R)
• M36: 64,302,550 km (0.114 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 377 - 13,529 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit