🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.7

Radius: 12.1

Gravity: 6.79 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.58 AU - 0.72 AU

Year: 362 Days

Day: 12.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,980,712 km

• M1: 150,795 km (0.077 R)
• M2: 720,912 km (0.1 R)
• M3: 1,171,800 km (0.044 R)
• M4: 1,666,819 km (0.066 R)
• M5: 2,177,397 km (0.107 R)
• M6: 2,600,460 km (0.12 R)
• M7: 3,293,397 km (0.105 R)
• M8: 4,283,436 km (0.038 R)
• M9: 4,684,059 km (0.102 R)
• M10: 5,917,493 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.4

Radius: 12.2

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.58 AU - 0.78 AU

Year: 387 Days

Day: 13.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 63,980,712 km

• M1: 151,692 km (0.104 R)
• M2: 610,808 km (0.059 R)
• M3: 1,003,802 km (0.117 R)
• M4: 1,493,286 km (0.091 R)
• M5: 2,112,472 km (0.098 R)
• M6: 3,112,683 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.6

Radius: 9.3

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.92 AU - 1.12 AU

Year: 711 Days

Day: 5.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 63,980,712 km

• M1: 115,639 km (0.09 R)
• M2: 669,151 km (0.042 R)
• M3: 1,381,387 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.9

Radius: 9.8

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.24 AU - 3.22 AU

Year: 3114 Days

Day: 11.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,980,712 km

• M1: 121,922 km (0.064 R)
• M2: 707,448 km (0.049 R)
• M3: 1,069,924 km (0.029 R)
• M4: 1,832,275 km (0.101 R)
• M5: 5,086,627 km (0.11 R)
• M6: 6,920,248 km (0.11 R)
• M7: 7,362,310 km (0.057 R)
• M8: 7,941,253 km (0.097 R)
• M9: 8,675,779 km (0.117 R)
• M10: 11,838,427 km (0.053 R)
• M11: 14,109,622 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.9

Radius: 11.5

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.72 AU - 3.9 AU

Year: 4157 Days

Day: 11.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 63,980,712 km

• M1: 143,016 km (0.066 R)
• M2: 728,841 km (0.066 R)
• M3: 1,148,912 km (0.064 R)
• M4: 1,516,174 km (0.098 R)
• M5: 2,244,566 km (0.118 R)
• M6: 2,620,805 km (0.115 R)
• M7: 5,482,014 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 77.6

Radius: 7.1

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 7.14 AU - 8.24 AU

Year: 14720 Days

Day: 18.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,980,712 km

• M1: 127,009 km (0.082 R)
• M2: 381,624 km (0.109 R)
• M3: 781,050 km (0.114 R)
• M4: 2,120,550 km (0.114 R)
• M5: 2,434,406 km (0.094 R)
• M6: 5,315,212 km (0.076 R)
• M7: 5,987,356 km (0.095 R)
• M8: 10,934,557 km (0.104 R)
• M9: 12,067,163 km (0.095 R)
• M10: 25,824,931 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 631.6

Radius: 6.3

Gravity: 15.91 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 7.86 AU - 8.44 AU

Year: 16060 Days

Day: 17.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 63,980,712 km

• M1: 78,389 km (0.113 R)
• M2: 796,609 km (0.113 R)
• M3: 1,125,574 km (0.077 R)
• M4: 1,436,588 km (0.092 R)
• M5: 1,718,880 km (0.052 R)
• M6: 1,982,022 km (0.072 R)
• M7: 2,567,847 km (0.089 R)
• M8: 2,841,761 km (0.075 R)
• M9: 3,059,725 km (0.101 R)
• M10: 3,927,542 km (0.086 R)
• M11: 4,779,054 km (0.036 R)
• M12: 5,824,144 km (0.099 R)
• M13: 6,797,877 km (0.081 R)
• M14: 7,642,506 km (0.118 R)
• M15: 8,406,353 km (0.085 R)
• M16: 8,705,549 km (0.082 R)
• M17: 9,063,537 km (0.058 R)
• M18: 10,537,076 km (0.077 R)
• M19: 12,417,970 km (0.1 R)
• M20: 12,937,373 km (0.037 R)
• M21: 13,881,186 km (0.108 R)
• M22: 16,056,938 km (0.114 R)
• M23: 21,438,123 km (0.076 R)
• M24: 23,046,450 km (0.101 R)
• M25: 24,733,764 km (0.074 R)
• M26: 27,361,899 km (0.108 R)
• M27: 29,365,763 km (0.041 R)
• M28: 30,054,811 km (0.101 R)
• M29: 35,700,185 km (0.084 R)
• M30: 36,616,921 km (0.059 R)
• M31: 43,477,779 km (0.119 R)
• M32: 44,072,879 km (0.117 R)
• M33: 45,431,976 km (0.099 R)
• M34: 53,494,104 km (0.064 R)
• M35: 54,177,467 km (0.106 R)
• M36: 54,693,730 km (0.049 R)
• M37: 59,672,047 km (0.118 R)
• M38: 61,147,980 km (0.109 R)
• M39: 61,707,775 km (0.109 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: 264 - 19,121 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit