🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.1

Radius: 12.2

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.53 AU - 0.61 AU

Year: 287 Days

Day: 11.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 15,202,734 km

• M1: 151,692 km (0.118 R)
• M2: 598,990 km (0.103 R)
• M3: 1,021,753 km (0.113 R)
• M4: 1,482,814 km (0.084 R)
• M5: 2,216,741 km (0.117 R)
• M6: 2,803,314 km (0.091 R)
• M7: 3,232,810 km (0.055 R)
• M8: 3,626,103 km (0.064 R)
• M9: 4,213,424 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.8

Radius: 14.8

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.54 AU - 0.6 AU

Year: 287 Days

Day: 10.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 15,202,734 km

• M1: 184,005 km (0.091 R)
• M2: 662,719 km (0.105 R)
• M3: 1,330,523 km (0.062 R)
• M4: 1,822,102 km (0.118 R)
• M5: 2,844,604 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.7

Radius: 9.1

Gravity: 8.08 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.5 AU - 0.7 AU

Year: 310 Days

Day: 7.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 15,202,734 km

• M1: 113,096 km (0.093 R)
• M2: 415,134 km (0.057 R)
• M3: 702,811 km (0.087 R)
• M4: 1,029,832 km (0.105 R)
• M5: 1,341,743 km (0.027 R)
• M6: 1,960,929 km (0.095 R)
• M7: 2,379,055 km (0.095 R)
• M8: 2,964,731 km (0.026 R)
• M9: 3,724,987 km (0.073 R)
• M10: 4,050,961 km (0.059 R)
• M11: 4,382,918 km (0.033 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.9

Radius: 10.8

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.65 AU - 0.73 AU

Year: 382 Days

Day: 10.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 15,202,734 km

• M1: 134,339 km (0.086 R)
• M2: 1,049,130 km (0.096 R)
• M3: 1,471,594 km (0.056 R)
• M4: 1,860,100 km (0.074 R)
• M5: 2,388,779 km (0.088 R)
• M6: 3,015,743 km (0.055 R)
• M7: 3,519,888 km (0.089 R)
• M8: 3,861,420 km (0.091 R)
• M9: 4,198,464 km (0.071 R)
• M10: 4,569,317 km (0.046 R)
• M11: 4,992,231 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.4

Radius: 10.8

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.88 AU - 0.9 AU

Year: 560 Days

Day: 11.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 15,202,734 km

• M1: 134,339 km (0.03 R)
• M2: 514,168 km (0.116 R)
• M3: 866,172 km (0.119 R)
• M4: 1,380,938 km (0.108 R)
• M5: 2,110,976 km (0.11 R)
• M6: 2,670,472 km (0.057 R)
• M7: 3,081,567 km (0.073 R)
• M8: 4,213,125 km (0.097 R)
• M9: 4,606,268 km (0.108 R)
• M10: 5,007,789 km (0.09 R)
• M11: 5,500,265 km (0.11 R)
• M12: 6,281,016 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.8

Radius: 13.4

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.48 AU - 1.6 AU

Year: 1274 Days

Day: 12.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 15,202,734 km

• M1: 166,652 km (0.063 R)
• M2: 583,581 km (0.111 R)
• M3: 1,049,279 km (0.118 R)
• M4: 1,573,919 km (0.061 R)
• M5: 1,992,644 km (0.048 R)
• M6: 2,510,701 km (0.108 R)
• M7: 3,104,754 km (0.064 R)
• M8: 3,546,816 km (0.038 R)
• M9: 4,031,214 km (0.036 R)
• M10: 4,649,502 km (0.081 R)
• M11: 5,653,752 km (0.106 R)
• M12: 7,375,474 km (0.101 R)
• M13: 7,830,102 km (0.074 R)
• M14: 8,547,274 km (0.043 R)
• M15: 9,424,367 km (0.103 R)
• M16: 10,174,600 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.2

Radius: 11.7

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.69 AU - 1.77 AU

Year: 1517 Days

Day: 6.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 15,202,734 km

• M1: 145,559 km (0.109 R)
• M2: 638,933 km (0.113 R)
• M3: 1,080,545 km (0.099 R)
• M4: 1,508,395 km (0.113 R)
• M5: 1,971,700 km (0.097 R)
• M6: 2,387,133 km (0.099 R)
• M7: 3,038,034 km (0.045 R)
• M8: 5,421,576 km (0.105 R)
• M9: 5,907,321 km (0.118 R)
• M10: 6,523,215 km (0.053 R)
• M11: 7,073,287 km (0.111 R)
• M12: 7,797,191 km (0.086 R)
• M13: 8,631,199 km (0.092 R)
• M14: 9,327,427 km (0.048 R)
• M15: 10,688,917 km (0.116 R)
• M16: 11,343,259 km (0.089 R)
• M17: 12,256,853 km (0.109 R)
• M18: 12,933,334 km (0.04 R)
• M19: 13,425,661 km (0.054 R)
• M20: 14,535,228 km (0.116 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 221 - 19,300 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit