🌌 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: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.7

Radius: 13.5

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.65 AU - 0.85 AU

Year: 419 Days

Day: 14.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 29,657,792 km

• M1: 167,849 km (0.085 R)
• M2: 610,808 km (0.047 R)
• M3: 1,071,570 km (0.093 R)
• M4: 1,657,395 km (0.077 R)
• M5: 2,432,312 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.1

Radius: 11.1

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.77 AU - 1.05 AU

Year: 561 Days

Day: 11.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 29,657,792 km

• M1: 138,079 km (0.083 R)
• M2: 508,782 km (0.1 R)
• M3: 897,737 km (0.06 R)
• M4: 1,260,362 km (0.039 R)
• M5: 1,819,260 km (0.085 R)
• M6: 2,288,997 km (0.048 R)
• M7: 2,794,787 km (0.072 R)
• M8: 3,386,746 km (0.1 R)
• M9: 4,089,258 km (0.093 R)
• M10: 4,583,978 km (0.067 R)
• M11: 5,339,896 km (0.115 R)
• M12: 6,100,900 km (0.096 R)
• M13: 6,468,163 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.4

Radius: 14.1

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.22 AU - 1.84 AU

Year: 1222 Days

Day: 7.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 29,657,792 km

• M1: 175,329 km (0.084 R)
• M2: 715,078 km (0.043 R)
• M3: 1,195,586 km (0.111 R)
• M4: 1,792,182 km (0.057 R)
• M5: 2,332,081 km (0.117 R)
• M6: 2,804,212 km (0.116 R)
• M7: 3,281,130 km (0.103 R)
• M8: 4,222,101 km (0.111 R)
• M9: 4,680,020 km (0.096 R)
• M10: 5,828,782 km (0.091 R)
• M11: 6,305,401 km (0.116 R)
• M12: 7,546,165 km (0.107 R)
• M13: 8,944,008 km (0.091 R)
• M14: 10,311,482 km (0.091 R)
• M15: 11,993,860 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.8

Radius: 12.8

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.98 AU - 4.54 AU

Year: 4708 Days

Day: 11.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 29,657,792 km

• M1: 159,172 km (0.08 R)
• M2: 736,470 km (0.083 R)
• M3: 1,223,711 km (0.045 R)
• M4: 1,686,866 km (0.076 R)
• M5: 2,632,025 km (0.074 R)
• M6: 3,204,686 km (0.105 R)
• M7: 3,969,879 km (0.083 R)
• M8: 6,466,069 km (0.037 R)
• M9: 7,276,590 km (0.05 R)
• M10: 7,829,953 km (0.05 R)
• M11: 8,263,487 km (0.119 R)
• M12: 12,283,930 km (0.117 R)
• M13: 13,630,012 km (0.033 R)
• M14: 14,852,226 km (0.119 R)
• M15: 15,349,938 km (0.114 R)
• M16: 16,030,908 km (0.082 R)
• M17: 16,672,683 km (0.088 R)
• M18: 17,945,611 km (0.057 R)
• M19: 18,447,213 km (0.101 R)
• M20: 19,610,037 km (0.076 R)
• M21: 22,949,660 km (0.085 R)
• M22: 23,991,011 km (0.058 R)
• M23: 28,220,591 km (0.094 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 341

Radius: 3.5

Gravity: 27.84 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 8.28 AU - 11.48 AU

Year: 20052 Days

Day: 19.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 29,657,792 km

• M1: 57,296 km (0.08 R)
• M2: 290,818 km (0.105 R)
• M3: 578,944 km (0.078 R)
• M4: 1,773,034 km (0.067 R)
• M5: 1,912,310 km (0.105 R)
• M6: 2,333,278 km (0.11 R)
• M7: 2,543,912 km (0.072 R)
• M8: 3,569,405 km (0.101 R)
• M9: 4,023,884 km (0.108 R)
• M10: 6,887,486 km (0.105 R)
• M11: 8,828,369 km (0.113 R)
• M12: 35,693,603 km (0.112 R)
• M13: 42,026,829 km (0.119 R)
• M14: 42,741,608 km (0.118 R)
• M15: 50,020,741 km (0.083 R)
• M16: 55,477,323 km (0.08 R)
• M17: 58,614,241 km (0.11 R)
• M18: 59,148,455 km (0.073 R)
• M19: 59,506,293 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 34.7

Radius: 3.7

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 10.22 AU - 10.56 AU

Year: 21624 Days

Day: 17.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 29,657,792 km

• M1: 71,358 km (0.101 R)
• M2: 348,563 km (0.109 R)
• M3: 492,177 km (0.099 R)
• M4: 798,553 km (0.12 R)
• M5: 1,926,970 km (0.109 R)
• M6: 2,147,178 km (0.069 R)
• M7: 3,320,774 km (0.086 R)
• M8: 3,703,295 km (0.113 R)
• M9: 6,866,991 km (0.079 R)
• M10: 7,808,560 km (0.118 R)
• M11: 14,044,398 km (0.112 R)
• M12: 15,264,219 km (0.086 R)
• M13: 19,411,221 km (0.092 R)
• M14: 20,156,967 km (0.101 R)
• M15: 23,634,668 km (0.074 R)
• M16: 23,941,344 km (0.091 R)
• M17: 25,194,675 km (0.051 R)
• M18: 27,831,188 km (0.112 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 202 - 11,635 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit