🌌 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: 348.4

Radius: 13.7

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.51 AU - 0.67 AU

Year: 319 Days

Day: 13.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 46,245,182 km

• M1: 170,392 km (0.084 R)
• M2: 678,127 km (0.095 R)
• M3: 1,250,937 km (0.083 R)
• M4: 2,065,947 km (0.033 R)
• M5: 2,540,321 km (0.101 R)
• M6: 3,565,665 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.8

Radius: 14.6

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.52 AU - 0.78 AU

Year: 368 Days

Day: 8.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 46,245,182 km

• M1: 181,612 km (0.108 R)
• M2: 1,212,790 km (0.066 R)
• M3: 1,745,209 km (0.119 R)
• M4: 2,363,048 km (0.11 R)
• M5: 2,973,706 km (0.071 R)
• M6: 3,656,471 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.4

Radius: 14.8

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.61 AU - 0.75 AU

Year: 394 Days

Day: 9 Hours

Environment

Temp: -156 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 46,245,182 km

• M1: 184,005 km (0.113 R)
• M2: 918,381 km (0.051 R)
• M3: 1,411,905 km (0.088 R)
• M4: 2,024,658 km (0.072 R)
• M5: 2,924,190 km (0.06 R)
• M6: 3,467,230 km (0.118 R)
• M7: 4,463,851 km (0.047 R)
• M8: 5,097,697 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.5

Radius: 15

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.58 AU - 0.86 AU

Year: 429 Days

Day: 11.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,245,182 km

• M1: 186,549 km (0.089 R)
• M2: 724,353 km (0.105 R)
• M3: 1,208,751 km (0.118 R)
• M4: 1,928,765 km (0.069 R)
• M5: 2,576,524 km (0.092 R)
• M6: 3,986,185 km (0.118 R)
• M7: 5,033,220 km (0.051 R)
• M8: 5,588,079 km (0.069 R)
• M9: 6,165,826 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.5

Radius: 9.7

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.81 AU - 1.27 AU

Year: 746 Days

Day: 11.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,245,182 km

• M1: 124,914 km (0.117 R)
• M2: 443,408 km (0.103 R)
• M3: 753,225 km (0.101 R)
• M4: 1,222,663 km (0.078 R)
• M5: 2,032,287 km (0.072 R)
• M6: 2,391,621 km (0.101 R)
• M7: 2,816,330 km (0.04 R)
• M8: 3,447,633 km (0.086 R)
• M9: 3,776,000 km (0.074 R)
• M10: 4,354,495 km (0.098 R)
• M11: 4,838,893 km (0.043 R)
• M12: 5,181,472 km (0.096 R)
• M13: 5,839,254 km (0.084 R)
• M14: 6,148,921 km (0.055 R)
• M15: 7,036,485 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.6

Radius: 11.5

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.75 AU - 5.59 AU

Year: 7094 Days

Day: 14.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 46,245,182 km

• M1: 143,016 km (0.112 R)
• M2: 1,026,241 km (0.074 R)
• M3: 1,631,963 km (0.092 R)
• M4: 2,144,186 km (0.081 R)
• M5: 2,610,932 km (0.084 R)
• M6: 3,610,245 km (0.091 R)
• M7: 4,380,974 km (0.08 R)
• M8: 4,791,620 km (0.071 R)
• M9: 5,981,820 km (0.09 R)
• M10: 6,951,215 km (0.116 R)
• M11: 7,902,508 km (0.11 R)
• M12: 10,635,212 km (0.085 R)
• M13: 11,078,470 km (0.11 R)
• M14: 13,712,290 km (0.041 R)
• M15: 14,237,977 km (0.066 R)
• M16: 14,898,452 km (0.07 R)
• M17: 17,474,228 km (0.093 R)
• M18: 19,082,854 km (0.096 R)
• M19: 21,874,201 km (0.113 R)
• M20: 23,408,626 km (0.049 R)
• M21: 23,907,685 km (0.054 R)
• M22: 27,327,043 km (0.107 R)
• M23: 27,973,455 km (0.098 R)
• M24: 29,105,463 km (0.113 R)
• M25: 30,661,879 km (0.054 R)
• M26: 33,099,576 km (0.085 R)
• M27: 34,472,585 km (0.095 R)
• M28: 37,219,202 km (0.064 R)

Asteroid Belt

Center: 5.27 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 618.7

Radius: 6.4

Gravity: 15.1 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 4.65 AU - 7.07 AU

Year: 9971 Days

Day: 17.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,245,182 km

• M1: 84,972 km (0.059 R)
• M2: 367,113 km (0.1 R)
• M3: 656,136 km (0.052 R)
• M4: 1,071,420 km (0.043 R)
• M5: 3,012,153 km (0.108 R)
• M6: 3,827,462 km (0.074 R)
• M7: 4,781,447 km (0.103 R)
• M8: 7,886,800 km (0.097 R)
• M9: 9,609,270 km (0.094 R)
• M10: 10,101,297 km (0.119 R)
• M11: 15,113,873 km (0.03 R)
• M12: 16,325,017 km (0.106 R)
• M13: 19,091,979 km (0.103 R)
• M14: 22,927,519 km (0.112 R)
• M15: 23,983,231 km (0.073 R)
• M16: 25,255,412 km (0.088 R)
• M17: 29,035,600 km (0.094 R)
• M18: 30,479,818 km (0.105 R)
• M19: 41,953,526 km (0.106 R)
• M20: 42,213,677 km (0.114 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: 420 - 16,845 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit