🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.6

Radius: 15

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.53 AU - 0.65 AU

Year: 307 Days

Day: 12.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,247,412 km

• M1: 186,549 km (0.081 R)
• M2: 665,112 km (0.11 R)
• M3: 1,154,596 km (0.107 R)
• M4: 1,740,571 km (0.083 R)
• M5: 2,525,362 km (0.084 R)
• M6: 3,249,116 km (0.1 R)
• M7: 4,073,550 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.1

Radius: 8.8

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.93 AU - 1.29 AU

Year: 793 Days

Day: 11.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,247,412 km

• M1: 109,506 km (0.03 R)
• M2: 426,504 km (0.095 R)
• M3: 766,539 km (0.101 R)
• M4: 1,182,122 km (0.073 R)
• M5: 1,696,141 km (0.076 R)
• M6: 2,536,432 km (0.12 R)
• M7: 2,943,936 km (0.118 R)
• M8: 3,677,265 km (0.1 R)
• M9: 4,368,407 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.5

Radius: 13.8

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.18 AU - 1.42 AU

Year: 1005 Days

Day: 6.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,247,412 km

• M1: 171,589 km (0.118 R)
• M2: 892,950 km (0.094 R)
• M3: 1,422,676 km (0.103 R)
• M4: 1,936,844 km (0.097 R)
• M5: 2,432,461 km (0.046 R)
• M6: 3,026,664 km (0.104 R)
• M7: 3,531,108 km (0.09 R)
• M8: 4,245,438 km (0.068 R)
• M9: 4,957,524 km (0.117 R)
• M10: 6,185,124 km (0.093 R)
• M11: 6,739,234 km (0.091 R)
• M12: 7,894,280 km (0.103 R)
• M13: 9,807,636 km (0.082 R)
• M14: 11,255,594 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.9

Radius: 14.7

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.34 AU - 1.78 AU

Year: 1322 Days

Day: 13.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,247,412 km

• M1: 182,958 km (0.119 R)
• M2: 723,156 km (0.038 R)
• M3: 1,597,556 km (0.081 R)
• M4: 2,512,347 km (0.075 R)
• M5: 3,082,165 km (0.067 R)
• M6: 4,064,873 km (0.049 R)
• M7: 4,678,823 km (0.099 R)
• M8: 5,205,557 km (0.107 R)
• M9: 6,188,266 km (0.051 R)
• M10: 6,699,142 km (0.099 R)
• M11: 8,789,772 km (0.076 R)
• M12: 10,316,568 km (0.039 R)
• M13: 11,108,091 km (0.113 R)
• M14: 12,163,504 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17

Radius: 10.4

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 3.25 AU - 3.75 AU

Year: 4441 Days

Day: 11 Hours

Environment

Temp: -207 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,247,412 km

• M1: 129,402 km (0.102 R)
• M2: 565,330 km (0.111 R)
• M3: 966,253 km (0.098 R)
• M4: 2,028,996 km (0.057 R)
• M5: 2,379,953 km (0.108 R)
• M6: 2,959,794 km (0.071 R)
• M7: 4,093,147 km (0.103 R)
• M8: 4,742,103 km (0.116 R)
• M9: 7,349,145 km (0.033 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 729.3

Radius: 4

Gravity: 45.58 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 5.08 AU - 6.46 AU

Year: 9401 Days

Day: 17.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 57,247,412 km

• M1: 50,863 km (0.104 R)
• M2: 175,777 km (0.072 R)
• M3: 327,919 km (0.043 R)
• M4: 459,864 km (0.048 R)
• M5: 962,961 km (0.066 R)
• M6: 1,254,229 km (0.108 R)
• M7: 2,220,631 km (0.078 R)
• M8: 2,919,402 km (0.119 R)
• M9: 3,052,545 km (0.112 R)
• M10: 4,296,750 km (0.077 R)
• M11: 5,369,367 km (0.11 R)
• M12: 5,879,496 km (0.11 R)
• M13: 7,728,824 km (0.101 R)
• M14: 8,245,386 km (0.116 R)
• M15: 8,602,326 km (0.11 R)
• M16: 9,982,965 km (0.064 R)
• M17: 10,963,430 km (0.06 R)
• M18: 11,340,416 km (0.088 R)
• M19: 11,504,525 km (0.061 R)
• M20: 11,893,779 km (0.094 R)
• M21: 15,130,329 km (0.114 R)
• M22: 16,913,685 km (0.116 R)
• M23: 18,152,355 km (0.117 R)
• M24: 21,974,431 km (0.056 R)
• M25: 23,624,645 km (0.05 R)
• M26: 24,434,419 km (0.11 R)
• M27: 25,730,535 km (0.093 R)
• M28: 26,395,497 km (0.078 R)
• M29: 28,057,978 km (0.047 R)
• M30: 32,242,231 km (0.089 R)
• M31: 35,173,900 km (0.117 R)
• M32: 39,019,912 km (0.088 R)
• M33: 40,531,449 km (0.119 R)
• M34: 43,269,987 km (0.065 R)
• M35: 45,437,361 km (0.058 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 498.2

Radius: 6.6

Gravity: 11.44 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 5.66 AU - 7.3 AU

Year: 11188 Days

Day: 18.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 57,247,412 km

• M1: 89,310 km (0.092 R)
• M2: 305,928 km (0.061 R)
• M3: 530,175 km (0.08 R)
• M4: 815,458 km (0.1 R)
• M5: 1,025,643 km (0.111 R)
• M6: 1,573,321 km (0.111 R)
• M7: 1,856,958 km (0.115 R)
• M8: 2,192,058 km (0.103 R)
• M9: 2,431,115 km (0.076 R)
• M10: 2,961,888 km (0.055 R)
• M11: 3,616,977 km (0.05 R)
• M12: 4,196,220 km (0.061 R)
• M13: 4,508,132 km (0.104 R)
• M14: 4,805,084 km (0.088 R)
• M15: 5,339,896 km (0.046 R)
• M16: 7,223,184 km (0.105 R)
• M17: 9,036,908 km (0.084 R)
• M18: 9,703,516 km (0.108 R)
• M19: 10,453,450 km (0.079 R)
• M20: 11,241,532 km (0.109 R)
• M21: 12,068,509 km (0.106 R)
• M22: 13,475,028 km (0.064 R)
• M23: 14,407,621 km (0.083 R)
• M24: 16,125,005 km (0.077 R)
• M25: 16,679,714 km (0.066 R)
• M26: 17,754,126 km (0.117 R)
• M27: 21,170,791 km (0.061 R)
• M28: 21,584,878 km (0.109 R)
• M29: 23,647,833 km (0.099 R)
• M30: 26,311,573 km (0.041 R)
• M31: 33,663,710 km (0.113 R)
• M32: 38,231,830 km (0.075 R)
• M33: 39,093,215 km (0.085 R)
• M34: 40,472,806 km (0.097 R)
• M35: 41,110,692 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 363.5

Radius: 4.2

Gravity: 20.61 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 8.5 AU - 9.24 AU

Year: 17917 Days

Day: 24.7 Hours

Environment

Temp: -243 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 57,247,412 km

• M1: 53,107 km (0.063 R)
• M2: 380,278 km (0.102 R)
• M3: 597,195 km (0.075 R)
• M4: 833,111 km (0.084 R)
• M5: 1,140,833 km (0.099 R)
• M6: 1,643,333 km (0.076 R)
• M7: 1,874,162 km (0.036 R)
• M8: 2,340,159 km (0.085 R)
• M9: 2,743,027 km (0.069 R)
• M10: 3,908,244 km (0.116 R)
• M11: 4,473,874 km (0.074 R)
• M12: 5,126,420 km (0.094 R)
• M13: 5,264,199 km (0.087 R)
• M14: 7,158,857 km (0.118 R)
• M15: 7,418,259 km (0.051 R)
• M16: 8,375,985 km (0.06 R)
• M17: 12,100,074 km (0.117 R)
• M18: 15,471,262 km (0.058 R)
• M19: 16,421,059 km (0.1 R)
• M20: 16,872,097 km (0.032 R)
• M21: 17,331,512 km (0.064 R)
• M22: 17,564,436 km (0.082 R)
• M23: 18,435,843 km (0.099 R)
• M24: 21,848,021 km (0.074 R)
• M25: 22,669,912 km (0.047 R)
• M26: 28,790,559 km (0.04 R)
• M27: 42,446,301 km (0.104 R)
• M28: 42,586,923 km (0.089 R)
• M29: 46,803,639 km (0.1 R)
• M30: 46,953,685 km (0.113 R)
• M31: 47,255,125 km (0.107 R)
• M32: 50,654,886 km (0.071 R)
• M33: 53,391,031 km (0.111 R)
• M34: 56,393,760 km (0.054 R)
• M35: 56,734,244 km (0.117 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 204 - 18,793 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit