🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.2

Radius: 14.5

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.98 AU - 1 AU

Year: 646 Days

Day: 12.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 32,894,006 km

• M1: 180,265 km (0.035 R)
• M2: 633,098 km (0.084 R)
• M3: 1,228,348 km (0.088 R)
• M4: 1,981,274 km (0.112 R)
• M5: 2,569,343 km (0.075 R)
• M6: 3,531,258 km (0.094 R)
• M7: 4,075,345 km (0.065 R)
• M8: 4,584,128 km (0.117 R)
• M9: 5,748,298 km (0.063 R)
• M10: 6,315,125 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.8

Radius: 11

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.57 AU - 1.59 AU

Year: 1303 Days

Day: 5.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,894,006 km

• M1: 137,780 km (0.098 R)
• M2: 493,823 km (0.101 R)
• M3: 967,150 km (0.065 R)
• M4: 1,418,487 km (0.077 R)
• M5: 1,795,623 km (0.085 R)
• M6: 2,284,359 km (0.036 R)
• M7: 2,952,613 km (0.089 R)
• M8: 3,442,696 km (0.091 R)
• M9: 4,052,307 km (0.091 R)
• M10: 4,444,702 km (0.114 R)
• M11: 4,825,130 km (0.1 R)
• M12: 6,143,237 km (0.046 R)
• M13: 6,524,562 km (0.109 R)
• M14: 7,359,916 km (0.114 R)
• M15: 7,790,608 km (0.115 R)
• M16: 8,318,988 km (0.092 R)
• M17: 9,300,948 km (0.094 R)
• M18: 10,803,360 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.4

Radius: 13.9

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.23 AU - 2.91 AU

Year: 2703 Days

Day: 6.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 145 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,894,006 km

• M1: 183,108 km (0.077 R)
• M2: 808,128 km (0.098 R)
• M3: 2,053,380 km (0.074 R)
• M4: 3,595,884 km (0.106 R)
• M5: 4,295,852 km (0.112 R)
• M6: 5,629,667 km (0.093 R)
• M7: 6,691,064 km (0.099 R)
• M8: 7,946,639 km (0.054 R)
• M9: 8,613,546 km (0.083 R)
• M10: 10,021,561 km (0.104 R)
• M11: 10,484,417 km (0.06 R)
• M12: 10,921,093 km (0.103 R)
• M13: 11,916,518 km (0.074 R)
• M14: 13,897,493 km (0.067 R)
• M15: 15,419,352 km (0.071 R)
• M16: 17,878,591 km (0.095 R)
• M17: 18,618,652 km (0.11 R)
• M18: 20,774,955 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.9

Radius: 9

Gravity: 11.58 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.25 AU - 3.37 AU

Year: 3090 Days

Day: 12.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 32,894,006 km

• M1: 112,049 km (0.033 R)
• M2: 450,888 km (0.047 R)
• M3: 833,410 km (0.054 R)
• M4: 1,289,534 km (0.116 R)
• M5: 1,696,889 km (0.058 R)
• M6: 3,536,494 km (0.069 R)
• M7: 3,967,635 km (0.044 R)
• M8: 4,572,908 km (0.086 R)
• M9: 4,861,183 km (0.073 R)
• M10: 5,238,618 km (0.104 R)
• M11: 8,311,658 km (0.062 R)
• M12: 8,852,454 km (0.075 R)
• M13: 9,226,000 km (0.104 R)
• M14: 9,845,335 km (0.093 R)
• M15: 10,492,346 km (0.042 R)
• M16: 10,910,771 km (0.061 R)
• M17: 13,366,271 km (0.088 R)
• M18: 14,983,424 km (0.119 R)
• M19: 15,839,123 km (0.075 R)
• M20: 18,907,076 km (0.079 R)
• M21: 19,590,140 km (0.071 R)
• M22: 23,751,205 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.5

Radius: 14.6

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.35 AU - 3.87 AU

Year: 4500 Days

Day: 13.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 32,894,006 km

• M1: 182,509 km (0.118 R)
• M2: 817,852 km (0.109 R)
• M3: 1,514,978 km (0.116 R)
• M4: 2,015,233 km (0.051 R)
• M5: 2,482,577 km (0.084 R)
• M6: 3,400,958 km (0.084 R)
• M7: 5,165,465 km (0.106 R)
• M8: 6,174,353 km (0.103 R)
• M9: 8,657,977 km (0.087 R)
• M10: 9,470,293 km (0.117 R)
• M11: 11,701,246 km (0.11 R)
• M12: 12,453,424 km (0.088 R)
• M13: 13,038,352 km (0.09 R)
• M14: 15,232,055 km (0.112 R)
• M15: 15,732,460 km (0.102 R)
• M16: 16,416,721 km (0.083 R)
• M17: 17,240,107 km (0.098 R)
• M18: 18,152,804 km (0.069 R)
• M19: 18,778,871 km (0.042 R)
• M20: 22,698,934 km (0.066 R)
• M21: 23,426,129 km (0.091 R)
• M22: 24,319,079 km (0.093 R)
• M23: 27,297,123 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.7

Radius: 10

Gravity: 8.35 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 3.58 AU - 4.32 AU

Year: 5150 Days

Day: 5.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,894,006 km

• M1: 124,465 km (0.094 R)
• M2: 687,103 km (0.091 R)
• M3: 1,469,949 km (0.051 R)
• M4: 2,023,760 km (0.108 R)
• M5: 2,466,570 km (0.07 R)
• M6: 2,896,813 km (0.118 R)
• M7: 4,344,621 km (0.108 R)
• M8: 5,003,002 km (0.087 R)
• M9: 8,201,853 km (0.116 R)
• M10: 13,189,296 km (0.057 R)
• M11: 13,619,839 km (0.03 R)
• M12: 15,026,508 km (0.107 R)
• M13: 19,686,182 km (0.07 R)
• M14: 21,629,010 km (0.112 R)
• M15: 24,737,354 km (0.089 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: 296 - 18,113 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit