🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.8

Radius: 14.8

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.46 AU - 0.6 AU

Year: 266 Days

Day: 13 Hours

Environment

Temp: -145 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 79,496,093 km

• M1: 184,005 km (0.079 R)
• M2: 828,922 km (0.059 R)
• M3: 1,297,612 km (0.12 R)
• M4: 1,979,629 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.1

Radius: 13.4

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.53 AU - 0.77 AU

Year: 362 Days

Day: 8.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 79,496,093 km

• M1: 166,652 km (0.102 R)
• M2: 600,785 km (0.118 R)
• M3: 1,174,194 km (0.095 R)
• M4: 2,149,721 km (0.113 R)
• M5: 2,590,736 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.4

Radius: 11.7

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.76 AU - 1.06 AU

Year: 599 Days

Day: 12.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 124.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,496,093 km

• M1: 145,708 km (0.043 R)
• M2: 617,091 km (0.097 R)
• M3: 1,055,862 km (0.091 R)
• M4: 1,465,760 km (0.113 R)
• M5: 2,377,559 km (0.038 R)
• M6: 2,959,495 km (0.042 R)
• M7: 4,547,177 km (0.112 R)
• M8: 5,140,781 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.2

Radius: 11.2

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.21 AU - 3.77 AU

Year: 4500 Days

Day: 8.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 79,496,093 km

• M1: 140,024 km (0.051 R)
• M2: 541,395 km (0.106 R)
• M3: 891,304 km (0.085 R)
• M4: 1,536,819 km (0.043 R)
• M5: 2,116,361 km (0.066 R)
• M6: 2,490,954 km (0.107 R)
• M7: 3,176,412 km (0.082 R)
• M8: 3,915,126 km (0.062 R)
• M9: 4,362,124 km (0.051 R)
• M10: 5,444,016 km (0.102 R)
• M11: 5,851,970 km (0.11 R)
• M12: 6,861,606 km (0.075 R)
• M13: 7,514,002 km (0.111 R)
• M14: 10,814,131 km (0.068 R)
• M15: 13,242,852 km (0.054 R)
• M16: 15,316,877 km (0.12 R)
• M17: 16,311,553 km (0.025 R)
• M18: 17,100,682 km (0.074 R)
• M19: 18,559,261 km (0.09 R)
• M20: 21,433,934 km (0.113 R)
• M21: 22,086,480 km (0.118 R)
• M22: 23,431,365 km (0.086 R)
• M23: 27,031,438 km (0.12 R)
• M24: 28,395,770 km (0.117 R)
• M25: 29,984,799 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.3

Radius: 9.8

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 3.71 AU - 5.55 AU

Year: 6877 Days

Day: 5.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,496,093 km

• M1: 215,870 km (0.093 R)
• M2: 540,946 km (0.05 R)
• M3: 1,284,447 km (0.071 R)
• M4: 1,768,995 km (0.08 R)
• M5: 2,307,697 km (0.115 R)
• M6: 3,825,966 km (0.1 R)
• M7: 4,756,315 km (0.101 R)
• M8: 5,303,245 km (0.104 R)
• M9: 7,845,511 km (0.064 R)
• M10: 10,153,357 km (0.112 R)
• M11: 10,555,177 km (0.036 R)
• M12: 14,891,271 km (0.116 R)
• M13: 18,583,795 km (0.103 R)
• M14: 22,093,960 km (0.092 R)
• M15: 28,679,857 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 601.2

Radius: 5.4

Gravity: 20.62 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 4.41 AU - 6.93 AU

Year: 9319 Days

Day: 17.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,496,093 km

• M1: 67,169 km (0.089 R)
• M2: 236,365 km (0.071 R)
• M3: 443,857 km (0.077 R)
• M4: 671,545 km (0.082 R)
• M5: 889,958 km (0.098 R)
• M6: 1,235,828 km (0.113 R)
• M7: 2,123,991 km (0.045 R)
• M8: 2,886,192 km (0.11 R)
• M9: 3,971,823 km (0.083 R)
• M10: 6,108,530 km (0.057 R)
• M11: 7,744,831 km (0.082 R)
• M12: 9,276,265 km (0.043 R)
• M13: 10,740,678 km (0.116 R)
• M14: 14,870,627 km (0.065 R)
• M15: 17,426,357 km (0.066 R)
• M16: 17,711,341 km (0.116 R)
• M17: 22,200,174 km (0.066 R)
• M18: 24,348,998 km (0.1 R)
• M19: 26,538,662 km (0.108 R)
• M20: 28,856,083 km (0.058 R)
• M21: 34,444,461 km (0.027 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 753

Radius: 4.9

Gravity: 31.36 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 8.21 AU - 10.89 AU

Year: 20371 Days

Day: 20 Hours

Environment

Temp: -228 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 79,496,093 km

• M1: 83,775 km (0.106 R)
• M2: 239,506 km (0.103 R)
• M3: 872,604 km (0.09 R)
• M4: 1,332,169 km (0.073 R)
• M5: 1,641,837 km (0.038 R)
• M6: 2,337,018 km (0.11 R)
• M7: 3,495,953 km (0.113 R)
• M8: 3,891,938 km (0.117 R)
• M9: 4,419,719 km (0.052 R)
• M10: 4,665,060 km (0.113 R)
• M11: 5,779,564 km (0.108 R)
• M12: 6,288,945 km (0.104 R)
• M13: 6,554,481 km (0.108 R)
• M14: 7,445,187 km (0.082 R)
• M15: 9,463,711 km (0.102 R)
• M16: 9,930,905 km (0.094 R)
• M17: 10,109,974 km (0.101 R)
• M18: 10,847,940 km (0.089 R)
• M19: 13,421,622 km (0.111 R)
• M20: 13,787,987 km (0.076 R)
• M21: 16,209,976 km (0.079 R)
• M22: 18,538,168 km (0.109 R)
• M23: 19,176,353 km (0.097 R)
• M24: 26,383,679 km (0.112 R)
• M25: 28,853,540 km (0.119 R)
• M26: 31,989,709 km (0.103 R)
• M27: 36,467,174 km (0.055 R)
• M28: 38,339,989 km (0.117 R)
• M29: 41,037,538 km (0.106 R)
• M30: 41,499,048 km (0.031 R)
• M31: 43,858,954 km (0.105 R)
• M32: 44,180,141 km (0.107 R)
• M33: 53,458,949 km (0.072 R)
• M34: 56,060,306 km (0.059 R)
• M35: 62,930,139 km (0.086 R)
• M36: 69,901,699 km (0.094 R)
• M37: 75,974,924 km (0.14 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 183 - 15,418 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit