🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.7

Radius: 10.9

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.96 AU - 1 AU

Year: 636 Days

Day: 8.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 139.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,093,030 km

• M1: 136,882 km (0.076 R)
• M2: 516,861 km (0.113 R)
• M3: 877,990 km (0.103 R)
• M4: 1,379,292 km (0.108 R)
• M5: 1,825,094 km (0.089 R)
• M6: 2,260,274 km (0.105 R)
• M7: 2,794,787 km (0.081 R)
• M8: 3,482,040 km (0.111 R)
• M9: 4,118,130 km (0.054 R)
• M10: 4,485,393 km (0.116 R)
• M11: 4,934,037 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.5

Radius: 13.5

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.37 AU - 1.43 AU

Year: 1087 Days

Day: 7.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,093,030 km

• M1: 168,298 km (0.104 R)
• M2: 597,195 km (0.076 R)
• M3: 1,048,232 km (0.08 R)
• M4: 1,478,775 km (0.098 R)
• M5: 2,011,493 km (0.109 R)
• M6: 2,511,000 km (0.084 R)
• M7: 3,041,474 km (0.106 R)
• M8: 3,502,236 km (0.047 R)
• M9: 4,009,821 km (0.05 R)
• M10: 4,583,679 km (0.078 R)
• M11: 5,596,307 km (0.109 R)
• M12: 6,041,061 km (0.06 R)
• M13: 8,685,652 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.4

Radius: 12.2

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.02 AU - 2.58 AU

Year: 2288 Days

Day: 10.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,093,030 km

• M1: 151,692 km (0.089 R)
• M2: 629,209 km (0.1 R)
• M3: 1,148,463 km (0.066 R)
• M4: 1,903,932 km (0.117 R)
• M5: 2,575,926 km (0.025 R)
• M6: 3,146,342 km (0.06 R)
• M7: 4,011,018 km (0.113 R)
• M8: 4,649,502 km (0.111 R)
• M9: 5,354,856 km (0.031 R)
• M10: 6,753,147 km (0.107 R)
• M11: 7,477,350 km (0.103 R)
• M12: 8,220,852 km (0.086 R)
• M13: 8,843,777 km (0.105 R)
• M14: 12,358,430 km (0.075 R)
• M15: 13,757,170 km (0.1 R)
• M16: 14,588,934 km (0.099 R)
• M17: 15,404,990 km (0.086 R)
• M18: 17,766,243 km (0.12 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 701.9

Radius: 6.9

Gravity: 14.74 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 6.31 AU - 7.33 AU

Year: 11684 Days

Day: 18.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 55,093,030 km

• M1: 85,869 km (0.085 R)
• M2: 300,991 km (0.058 R)
• M3: 581,487 km (0.117 R)
• M4: 932,144 km (0.074 R)
• M5: 2,097,961 km (0.12 R)
• M6: 2,688,423 km (0.115 R)
• M7: 3,511,212 km (0.102 R)
• M8: 3,966,737 km (0.102 R)
• M9: 4,898,133 km (0.086 R)
• M10: 5,536,767 km (0.118 R)
• M11: 6,421,189 km (0.089 R)
• M12: 7,874,832 km (0.105 R)
• M13: 8,466,641 km (0.103 R)
• M14: 8,941,914 km (0.117 R)
• M15: 11,359,714 km (0.118 R)
• M16: 14,920,144 km (0.108 R)
• M17: 15,825,211 km (0.117 R)
• M18: 16,182,899 km (0.1 R)
• M19: 18,208,454 km (0.103 R)
• M20: 19,979,244 km (0.092 R)
• M21: 22,395,100 km (0.109 R)
• M22: 22,755,332 km (0.119 R)
• M23: 23,119,603 km (0.114 R)
• M24: 23,766,165 km (0.068 R)
• M25: 28,214,158 km (0.104 R)
• M26: 37,184,047 km (0.11 R)
• M27: 39,756,382 km (0.043 R)
• M28: 46,848,219 km (0.084 R)
• M29: 50,305,126 km (0.105 R)
• M30: 52,332,477 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 188.7

Radius: 6.3

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 9.98 AU - 11.74 AU

Year: 23478 Days

Day: 15.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 55,093,030 km

• M1: 85,720 km (0.116 R)
• M2: 291,267 km (0.061 R)
• M3: 1,312,123 km (0.057 R)
• M4: 1,984,416 km (0.104 R)
• M5: 2,437,099 km (0.108 R)
• M6: 2,933,315 km (0.072 R)
• M7: 3,705,988 km (0.088 R)
• M8: 4,038,993 km (0.083 R)
• M9: 4,271,917 km (0.101 R)
• M10: 5,125,073 km (0.07 R)
• M11: 5,538,712 km (0.06 R)
• M12: 6,872,975 km (0.069 R)
• M13: 7,505,624 km (0.082 R)
• M14: 7,948,584 km (0.096 R)
• M15: 12,140,615 km (0.051 R)
• M16: 13,317,202 km (0.097 R)
• M17: 19,110,530 km (0.063 R)
• M18: 25,587,818 km (0.113 R)
• M19: 36,430,672 km (0.092 R)
• M20: 38,082,831 km (0.049 R)
• M21: 40,317,823 km (0.071 R)
• M22: 43,619,897 km (0.116 R)
• M23: 52,334,721 km (0.114 R)
• M24: 52,975,299 km (0.089 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 488 - 17,429 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit