🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.3

Radius: 9.5

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.99 AU - 1.25 AU

Year: 765 Days

Day: 7.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,107,662 km

• M1: 118,182 km (0.094 R)
• M2: 458,667 km (0.095 R)
• M3: 761,603 km (0.079 R)
• M4: 1,149,211 km (0.09 R)
• M5: 1,488,948 km (0.076 R)
• M6: 2,136,706 km (0.07 R)
• M7: 2,515,039 km (0.102 R)
• M8: 3,447,633 km (0.104 R)
• M9: 4,000,696 km (0.118 R)
• M10: 4,385,611 km (0.107 R)
• M11: 4,694,680 km (0.049 R)
• M12: 5,070,620 km (0.106 R)
• M13: 5,615,754 km (0.069 R)
• M14: 6,219,531 km (0.111 R)
• M15: 6,526,955 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.1

Radius: 13.5

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.22 AU - 1.78 AU

Year: 1186 Days

Day: 5.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 65,107,662 km

• M1: 170,093 km (0.11 R)
• M2: 1,060,051 km (0.07 R)
• M3: 1,495,380 km (0.076 R)
• M4: 3,576,436 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.4

Radius: 10.9

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.42 AU - 2.3 AU

Year: 1638 Days

Day: 6.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,107,662 km

• M1: 135,536 km (0.11 R)
• M2: 571,165 km (0.092 R)
• M3: 1,025,793 km (0.097 R)
• M4: 1,419,085 km (0.079 R)
• M5: 2,065,797 km (0.105 R)
• M6: 2,432,611 km (0.074 R)
• M7: 3,043,868 km (0.075 R)
• M8: 3,789,015 km (0.105 R)
• M9: 4,631,849 km (0.083 R)
• M10: 4,994,175 km (0.106 R)
• M11: 5,937,091 km (0.095 R)
• M12: 8,289,816 km (0.091 R)
• M13: 9,102,582 km (0.094 R)
• M14: 11,530,256 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.2

Radius: 13.7

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.63 AU - 2.51 AU

Year: 1923 Days

Day: 13.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,107,662 km

• M1: 181,911 km (0.117 R)
• M2: 661,372 km (0.067 R)
• M3: 1,206,956 km (0.1 R)
• M4: 3,077,827 km (0.068 R)
• M5: 4,195,771 km (0.104 R)
• M6: 4,816,154 km (0.114 R)
• M7: 5,713,741 km (0.113 R)
• M8: 7,024,667 km (0.09 R)
• M9: 9,561,099 km (0.062 R)
• M10: 12,656,728 km (0.117 R)
• M11: 14,272,235 km (0.114 R)
• M12: 15,153,217 km (0.118 R)
• M13: 16,218,504 km (0.112 R)
• M14: 17,178,174 km (0.088 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 139

Radius: 8

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 5.88 AU - 8.42 AU

Year: 12345 Days

Day: 15.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,107,662 km

• M1: 99,632 km (0.075 R)
• M2: 420,669 km (0.12 R)
• M3: 1,392,158 km (0.113 R)
• M4: 2,777,733 km (0.12 R)
• M5: 3,740,545 km (0.09 R)
• M6: 4,411,192 km (0.112 R)
• M7: 5,804,846 km (0.111 R)
• M8: 6,803,861 km (0.12 R)
• M9: 7,079,270 km (0.083 R)
• M10: 16,397,273 km (0.099 R)
• M11: 22,498,024 km (0.059 R)
• M12: 24,611,243 km (0.102 R)
• M13: 27,980,038 km (0.113 R)
• M14: 31,835,175 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 328.7

Radius: 5.7

Gravity: 10.12 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 10.59 AU - 10.97 AU

Year: 22853 Days

Day: 16.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 65,107,662 km

• M1: 70,909 km (0.099 R)
• M2: 357,689 km (0.081 R)
• M3: 639,381 km (0.099 R)
• M4: 981,212 km (0.051 R)
• M5: 1,213,987 km (0.093 R)
• M6: 1,423,424 km (0.11 R)
• M7: 3,639,567 km (0.111 R)
• M8: 3,988,429 km (0.072 R)
• M9: 6,997,141 km (0.081 R)
• M10: 7,816,489 km (0.119 R)
• M11: 13,428,054 km (0.089 R)
• M12: 14,048,736 km (0.066 R)
• M13: 15,051,939 km (0.104 R)
• M14: 16,802,234 km (0.101 R)
• M15: 18,939,240 km (0.107 R)
• M16: 19,544,064 km (0.119 R)
• M17: 20,161,754 km (0.101 R)
• M18: 22,956,990 km (0.048 R)
• M19: 24,345,707 km (0.108 R)
• M20: 25,060,635 km (0.09 R)
• M21: 25,894,793 km (0.057 R)
• M22: 30,697,483 km (0.12 R)
• M23: 31,772,643 km (0.109 R)
• M24: 32,626,099 km (0.12 R)
• M25: 40,011,596 km (0.035 R)
• M26: 42,017,853 km (0.116 R)
• M27: 42,897,788 km (0.101 R)
• M28: 47,482,663 km (0.083 R)
• M29: 50,056,495 km (0.1 R)
• M30: 51,711,496 km (0.065 R)
• M31: 55,305,136 km (0.085 R)
• M32: 58,879,179 km (0.11 R)
• M33: 63,943,964 km (0.052 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: 361 - 10,948 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit