🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.5

Radius: 14.9

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.74 AU - 0.86 AU

Year: 494 Days

Day: 5.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 61,298,752 km

• M1: 185,352 km (0.086 R)
• M2: 741,557 km (0.09 R)
• M3: 1,429,108 km (0.074 R)
• M4: 1,908,570 km (0.119 R)
• M5: 2,705,777 km (0.081 R)
• M6: 3,324,962 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981

Radius: 8

Gravity: 15.33 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.9 AU - 1.14 AU

Year: 711 Days

Day: 9.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,298,752 km

• M1: 99,483 km (0.093 R)
• M2: 372,798 km (0.087 R)
• M3: 682,166 km (0.102 R)
• M4: 1,273,975 km (0.066 R)
• M5: 1,617,452 km (0.1 R)
• M6: 1,936,096 km (0.058 R)
• M7: 2,254,290 km (0.093 R)
• M8: 2,561,116 km (0.072 R)
• M9: 2,895,916 km (0.1 R)
• M10: 4,031,962 km (0.08 R)
• M11: 5,250,736 km (0.099 R)
• M12: 6,458,290 km (0.066 R)
• M13: 7,336,579 km (0.052 R)
• M14: 8,089,654 km (0.107 R)
• M15: 8,681,015 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.2

Radius: 10.4

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.96 AU - 1.16 AU

Year: 753 Days

Day: 13.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,298,752 km

• M1: 129,402 km (0.098 R)
• M2: 538,702 km (0.084 R)
• M3: 1,058,555 km (0.1 R)
• M4: 1,606,980 km (0.067 R)
• M5: 2,051,884 km (0.086 R)
• M6: 2,507,709 km (0.061 R)
• M7: 3,213,362 km (0.1 R)
• M8: 4,070,708 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.7

Radius: 10.7

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.64 AU - 2.18 AU

Year: 1822 Days

Day: 5.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,298,752 km

• M1: 134,040 km (0.116 R)
• M2: 496,815 km (0.12 R)
• M3: 921,972 km (0.102 R)
• M4: 2,065,049 km (0.047 R)
• M5: 2,467,168 km (0.1 R)
• M6: 2,876,468 km (0.1 R)
• M7: 3,550,257 km (0.117 R)
• M8: 5,166,662 km (0.044 R)
• M9: 5,578,953 km (0.074 R)
• M10: 5,963,869 km (0.098 R)
• M11: 7,004,322 km (0.096 R)
• M12: 7,424,243 km (0.099 R)
• M13: 8,376,733 km (0.062 R)
• M14: 9,543,596 km (0.032 R)
• M15: 10,060,457 km (0.065 R)
• M16: 11,000,829 km (0.115 R)
• M17: 12,277,348 km (0.068 R)
• M18: 14,440,832 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.3

Radius: 9.2

Gravity: 7.84 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.84 AU - 5.14 AU

Year: 6567 Days

Day: 7.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,298,752 km

• M1: 130,150 km (0.115 R)
• M2: 499,956 km (0.111 R)
• M3: 1,262,905 km (0.059 R)
• M4: 1,879,847 km (0.107 R)
• M5: 2,486,915 km (0.071 R)
• M6: 2,953,960 km (0.032 R)
• M7: 3,893,733 km (0.095 R)
• M8: 4,632,448 km (0.104 R)
• M9: 4,964,256 km (0.096 R)
• M10: 6,419,993 km (0.09 R)
• M11: 7,983,889 km (0.095 R)
• M12: 9,172,743 km (0.066 R)
• M13: 12,469,581 km (0.088 R)
• M14: 14,822,456 km (0.107 R)
• M15: 16,482,693 km (0.03 R)
• M16: 17,924,218 km (0.07 R)
• M17: 20,022,927 km (0.083 R)
• M18: 24,122,058 km (0.096 R)
• M19: 26,938,837 km (0.096 R)
• M20: 29,777,905 km (0.11 R)
• M21: 30,349,518 km (0.089 R)
• M22: 33,216,262 km (0.113 R)
• M23: 33,831,110 km (0.067 R)

Asteroid Belt

Center: 7.04 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 342

Radius: 8

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 7.97 AU - 11.19 AU

Year: 20467 Days

Day: 17.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,298,752 km

• M1: 100,081 km (0.042 R)
• M2: 374,443 km (0.117 R)
• M3: 626,665 km (0.111 R)
• M4: 2,298,870 km (0.092 R)
• M5: 3,099,967 km (0.095 R)
• M6: 4,931,344 km (0.059 R)
• M7: 5,750,991 km (0.085 R)
• M8: 6,332,478 km (0.059 R)
• M9: 7,612,587 km (0.107 R)
• M10: 10,006,302 km (0.091 R)
• M11: 11,673,421 km (0.082 R)
• M12: 12,604,668 km (0.07 R)
• M13: 12,861,228 km (0.118 R)
• M14: 13,451,093 km (0.092 R)
• M15: 18,754,337 km (0.056 R)
• M16: 19,684,088 km (0.096 R)
• M17: 27,070,632 km (0.106 R)
• M18: 28,807,912 km (0.11 R)
• M19: 32,986,031 km (0.049 R)
• M20: 35,473,245 km (0.088 R)
• M21: 40,677,905 km (0.107 R)
• M22: 42,090,109 km (0.112 R)
• M23: 53,906,994 km (0.081 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 450 - 19,162 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit